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Proceedings of the Ninth International Coral Reef Symposium, 2000
The Ninth International Coral Reef Symposium had been successfully held in the Bali Convention Center, Bali, Indonesia, during 23-27 October 2000. It was organized by the International Society for Reef Studies in collaboration with the Indonesian Government, which was represented jointly by the Ministry of Environment and the Indonesian Institute of Sciences.
Notwithstanding the political instability and internal conflict that had been plaguing Indonesia since the past several years, the symposium seemed not to lose its charm. This was apparent from the markedly high number of registrants, which was noted to reach 1500 persons and coming from 74 countries in the world. Some 1048 scientific papers were presented in groups of 58 mini-symposia, while around 353 posters were displayed.
Search Result: 226 records
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1.
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ICRS9
Wells, F.E.,
2000
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Centres of species richness and endemism of shallow marine mollusks in the tropical Indo-West Pacific.
In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 2: 941-946
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Author
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Wells, F.E.
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Year
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2000
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Title
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Centres of species richness and endemism of shallow marine mollusks in the tropical Indo-West Pacific.
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Source
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In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 2: 941-946
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Keywords
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coral triangle, distribution pattern, molluscs, endemism, ICRS9
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Caption
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Please note that the document may contain typo errors due to the inability of the OCR (Optical Character Recognition) software to recognize and translate scientific terms found in the proceedings.
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Abstract
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The distribution of 1268 species of shallow water marine molluscs in the tropical Indo-West Pacific is examined using published data. The greatest species richness (745 species) occurs in the "coral triangle"; species richness decreases in all directions from the triangle. Three hundred twenty-one species are endemic to one of l0 regions in the Indo-West Pacific. Similar numbers of endemic species occur in the Red Sea-Persian Gulf (51 species), "coral triangle" (49 species), and western Indian Ocean (44 species). One hundred thirty two, or just over l0%, of the species examined here are known to have widespread distributions from the Red Sea to the central Pacific. The combination of species richness and degrees of endemism provides a powerful tool in determining where to direct survey efforts for studies aimed at conserving coral reefs in the Indo-West Pacific. More detailed studies of distribution attempts of species richness and endemism of molluscs, fish and corals within the l0 broad regions, in conjunction with an examination of whether the species evolved in the area, or whether the endemism results from
contraction of formerly wider distributions will refine the list of areas for consideration.
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2.
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ICRS9,
Elfwing, T.and M. Tendengren,
2000
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A comparison of production effects between corals and macroalgae at increased sea water temperature.
In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 2:1139-1142
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Author
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Elfwing, T.and M. Tendengren
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Year
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2000
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Title
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A comparison of production effects between corals and macroalgae at increased sea water temperature.
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Source
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In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 2:1139-1142
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Keywords
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bleaching, ICRS9, production effects, corals, macroalgae, sea water temperature, physiological
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Caption
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Please note that the document may contain typo errors due to the inability of the OCR (Optical Character Recognition) software to recognize and translate scientific terms found in the proceedings.
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Abstract
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In this study we investigate whether a sublethal, sub-bleaching temperature increase (ambient +3oC) may have different effects on the physiological performance (net- production, respiration and GP/R ratios) of coral and macroalga. Four species of macroalgae (two brown algae Turbinaria sp. and Sargassum sp., one red algae Laurencia sp. and one green algae Dichtyosphaeria sp.) and one of the most abundant coral species, Porites porites, and decreased for the coral, although the coral maintains a net production state. It can be hypothesized that the relative competitive abilities have been altered and that this might contribute to an increased algal overgrowth although the coral component is still in a physiologically fit state. This could lead to changes in ecosystem structure and function without bleaching events or increased coral mortality as warning signals.
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Online Documents
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3.
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ICRS9,
Wadley, C.M., C.A. Downs, J.E. Fauth, E. Mueller, J.C. Halas, J. Bemiss, Y. Ben-Haim and E. Rosenberg,
2000
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A novel diagnostic system to assess the physiological status of corals.
In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 2:1267-1272
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Author
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Wadley, C.M., C.A. Downs, J.E. Fauth, E. Mueller, J.C. Halas, J. Bemiss, Y. Ben-Haim and E. Rosenberg
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Year
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2000
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Title
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A novel diagnostic system to assess the physiological status of corals.
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Source
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In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 2:1267-1272
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Keywords
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coral bleaching, molecular biomarkers, health assessment, stress protein, ICRS9, assay, environmental stressors, oxidative stress, biotechnology, Oculina varicosa, Monrastraen favealata, heatshock protein
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Caption
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Please note that the document may contain typo errors due to the inability of the OCR (Optical Character Recognition) software to recognize and translate scientific terms found in the proceedings.
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Abstract
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We developed a novel molecular diagnostic system to assess the physiological status of corals by assaying specific parameters of cellular physiology. This system is particularly relevant because multiple environmental stressors may contribute to bleaching, one mechanism for coral mortality worldwide. In laboratory studies, diagnostic parameters distinguished the separate and combined effects of heat and light on a star coral (Monrastraen favealafa) and its symbiont (zooxanthellae), and provided evidence that oxidative stress plays a central role in bleaching. We also used this new biotechnology to characterize bacteria-induced bleaching in the ivory tree coral (Oculina varicosa). Our data suggest that bacteria-induced coral bleaching may involve non-oxidative stress mechanisms. Thus, the molecular diagnostic system enabled us to (1) diagnose whether corals were physiologically stressed, (2) potentially discriminate between mechanisms involved in coral bleaching, and (3) provide evidence that chloroplast small heatshock
proteins protect against coral bleaching.
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Online Documents
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- Copies of papers downloaded from ReefBase may be used and reproduced for non-commercial purpose only.
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4.
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ICRS9
Bohnsack, J.A., B. Causey, M.P. Crosby, R.B. Griffis, M.A. Hixon, T.F. Hourigan, K.H. Koltes, J.E. Maragos, A. Simmons and J.T. Tilman,
2000
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A rationale for minimum 20-30% no-take protection.
In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 2:615-620
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Author
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Bohnsack, J.A., B. Causey, M.P. Crosby, R.B. Griffis, M.A. Hixon, T.F. Hourigan, K.H. Koltes, J.E. Maragos, A. Simmons and J.T. Tilman
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Year
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2000
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Title
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A rationale for minimum 20-30% no-take protection.
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Source
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In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 2:615-620
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Keywords
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coral reef, fisheries, management, MPA, ICRS9
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Caption
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Please note that the document may contain typo errors due to the inability of the OCR (Optical Character Recognition) software to recognize and translate scientific terms found in the proceedings.
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Abstract
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In response to the coral reef decline, the U.S. Coral Reef Task Force adopted a goal of protecting a minimum of 20% by area of all representative coral reefs and associated habitats as no- take reserves by 2010. Here we provide a rationale for using 20 - 30% minimum no- take protection to conserve coral reef ecosystems. Support comes from reproductive theory, knowledge about the vulnerability of reef species to exploitation, analysis of fisheries failures, and empirical and modeling studies of reserves. Other support comes from applying principles of precautionary management and a need for having minimally disturbed reference sites. Reserves alone will not protect all species and must be used in addition to other fisheries and resource management measures to obtain high sustainable fishery production. Ultimately, human activities must be within sustainable limits of coral reef ecosystems.
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Online Documents
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- Copies of papers downloaded from ReefBase may be used and reproduced for non-commercial purpose only.
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5.
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ICRS9
Lukoschek, V. and M.I. McCormick,
2000
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A review of multi-species foraging associations in
fishes and their ecological significance.
In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 1:467-474
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Author
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Lukoschek, V. and M.I. McCormick
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Year
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2000
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Title
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A review of multi-species foraging associations in
fishes and their ecological significance.
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Source
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In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 1:467-474
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Keywords
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Paraupeneus barerinus, multi species, foraging association, attendant association, ICRS9
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Caption
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Please note that the document may contain typo errors due to the inability of the OCR (Optical Character Recognition) software to recognize and translate scientific terms found in the proceedings.
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Abstract
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Multi-species fish foraging associations occur whenever individuals of one or more species forage in association with one another. Although common, the theoretical background regarding foraging benefits and predator avoidance for multi-species fish foraging associations is sparse and poorly developed. However there is a vast literature on multispecies foraging associations in birds, and on the formation of single-species fish shoals, which proposes that these associations increase food availability and reduce the risk of predation, compared with foraging alone. In this review paper we assess the role these factors play in determining multi-species foraging associations in fishes. A case study of foraging in the tropical benthic ca rn ivoro us goatfish, Parupeneus barberinus, is used to illustrate the importance and complexity of multi-species foraging associations to reef trophodynamics. From a review of the entire available literature of multi-species fish foraging associations, that comprises less than 45 papers, these associations could be categorised into two main types, attendant associations and shoaling associations. Attendant associations are small, comprising one or two nuclear individuals of one species that lead foraging activities, and several associate or attendant fishes. By contrast, shoaling associations are large, and the distinction between the fishes that lead foraging activities and those that attend is less clear . Attendant associations can be further divided into 4 subtypes: following and scavenging; interspecific joint hunting; hunting by riding; and aggressive mimicry. This classification is a first attempt to provide a comprehensive framework to enable the systematic evaluation of the ecological significance of these associations, and evolutionary forces that drive them.
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Online Documents
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6.
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ICRS9
Hopley, D., P.M. Hopley, J. Tamelander and T. Done,
2000
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Abstracts Volume.
Ninth International Coral Reef Symposium, Bali,
Indonesia.
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Author
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Hopley, D., P.M. Hopley, J. Tamelander and T. Done
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Year
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2000
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Title
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Abstracts Volume.
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Source
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Ninth International Coral Reef Symposium, Bali,
Indonesia.
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Keywords
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ISRS ICRS9
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Caption
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Please note that the document may contain typo errors due to the inability of the OCR (Optical Character Recognition) software to recognize and translate scientific terms found in the proceedings.
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Abstract
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Online Documents
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- Copies of papers downloaded from ReefBase may be used and reproduced for non-commercial purpose only.
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7.
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ICRS9,
Dinsdale, E.A.,
2000
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Abundance of black-band disease on corals from one
location on the Great Barrier Reef: a comparison with
abundance in the Caribbean region.
In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 2:1238-1244
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Author
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Dinsdale, E.A.
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Year
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2000
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Title
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Abundance of black-band disease on corals from one
location on the Great Barrier Reef: a comparison with
abundance in the Caribbean region.
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Source
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In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 2:1238-1244
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Keywords
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coral disease, ICRS9, black band disease, Great Barrier Reef
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Caption
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Please note that the document may contain typo errors due to the inability of the OCR (Optical Character Recognition) software to recognize and translate scientific terms found in the proceedings.
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Abstract
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Black-band disease (BBD) occurs on the Great Barrier Reef, Australia, with at least 21 species in five families being affected. Surveys of reef crest corals at Lizard Island found 2.8% of 4569 coral colonies were affected with BBD. Acroporidae, in particular Acropora hyacinthus, Acropora intermedia and Acropora millepora, were susceptible to BBD, compared with the Caribbean where acroporid corals are resistant to BBD. Pocilloporidae, including Pocillopora damicornis, Pocillopora verrucosa and Stylophora pistillata, were identified as important host species. The abundance of BBD varied between sites, ranging from 1.3% to 4.9% of colonies affected. The percentage of BBD-affected colonies varied between coral families. The percent of colonies affected with BBD were: 6.0% for the Pocilloporidae, 3.6% for the Acroporidae, 3.0% for the Faviidae and 2.1% for the Poritidae. The level of BBDaffected colonies on the GBR was within the range of affected colonies reported in the Caribbean.
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8.
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ICRS9,
Bak, R.P.M. and E.H. Meesters,
2000
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Acclimatization / adaptation of coral reefs in a marginal environment.
In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 1:265-272
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Author
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Bak, R.P.M. and E.H. Meesters
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Year
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2000
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Title
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Acclimatization / adaptation of coral reefs in a marginal environment.
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Source
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In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 1:265-272
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Keywords
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sedimentation, turbid water, ICRS9, Coral distribution, SPM, Resuspension, RNA/DNA, Recruits, Partial mortality
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Caption
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Please note that the document may contain typo errors due to the inability of the OCR (Optical Character Recognition) software to recognize and translate scientific terms found in the proceedings.
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Abstract
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We studied coral reefs in the marginal, high turbidity, high sedimentation environment of the Bay of Banten, NW Java, Indonesia. Coral cover increased and coral partial mortality decreased along an inshore-offshore gradient. Asexual recruitment was dominant, but sexual recruitment was still occurring (-10%). High turbidity (k'= 0.17-1.26) and sedimentation (2.5-63 mg cm-2day-1) limit reef development inshore but levels of sedimentation did not correlate with reef development. Resuspension of bottom sediment (75.3%) was important, preventing direct negative effects of sedimentation. At the level of the coral organism we found RNA/DNA ratios in coral tissue, presumably reflecting tissue growth characteristics, to be negatively related with depth over the reef slope. Also, RNA/DNA ratios were consistently higher in corals living in turbid environments, except for the most extremely turbid conditions. This may be genetically based variation and suggests that these corals are adapted sensu stricto to higher turbidity levels.
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Online Documents
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9.
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ICRS9
Brainard, R., D. G. Foley, M. J. Donohue & R. Boland,
2000
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Accumulation of marine debris by ocean currents threatens coral reef ecosystems of the Hawaiian Islands and elsewhere.
Presented at the Ninth International Coral Reef Symposium, Bali, October 23-27,2000.
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Author
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Brainard, R., D. G. Foley, M. J. Donohue & R. Boland
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Year
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2000
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Title
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Accumulation of marine debris by ocean currents threatens coral reef ecosystems of the Hawaiian Islands and elsewhere.
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Source
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Presented at the Ninth International Coral Reef Symposium, Bali, October 23-27,2000.
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Keywords
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coral reef, marine pollution, ICRS9
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Caption
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Please note that the document may contain typo errors due to the inability of the OCR (Optical Character Recognition) software to recognize and translate scientific terms found in the proceedings.
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Abstract
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Online Documents
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No online document
- Copies of papers downloaded from ReefBase may be used and reproduced for non-commercial purpose only.
- If you encounter any problem viewing the PDF files, please use the latest version of Adobe Reader.
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10.
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ICRS9
Cadwallader, P., M. Ressell, D. Cameron, M. Bishop and J. Tanzer,
2000
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Achieving ecologically sustainable fisheries in the
Great Barrier Reef World Heritage Area.
In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 2:697-704
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Author
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Cadwallader, P., M. Ressell, D. Cameron, M. Bishop and J. Tanzer
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Year
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2000
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Title
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Achieving ecologically sustainable fisheries in the
Great Barrier Reef World Heritage Area.
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Source
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In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 2:697-704
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Keywords
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fisheries, marine protected area, MPA. Trawl, ICRS9
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Caption
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Please note that the document may contain typo errors due to the inability of the OCR (Optical Character Recognition) software to recognize and translate scientific terms found in the proceedings.
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Abstract
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The Great Barrier Reef Marine Park (GBRMP) is a multiple-use marine protected area in which commercial, recreational, charter and indigenous fishing activities occur. Commercial fisheries include trawl, line, net and trap fishing and several collection fisheries. The GBRMP is zoned to regulate the various kinds of fishing activities. Achieving the balance between conservation and sustainable fisheries requires on-going consultation between marine park managers, fisheries managers, scientists, industry and other stakeholders. The ecological sustainability offishery resources and the ecosystems on which they depend is required under Federal legislation. The State of Queensland is responsible for day-to-day fisheries management under a Federal/State agreement. A key political question is the
extent to which the Great Barrier Reef Marine Park Authority, a Federal Government agency, can achieve its legislative objectives through cooperation and negotiation with State agencies, rather than use its legislative mandate in areas that are traditionally the responsibility of fisheries management agencies. The development of a management
plan for the Queensland east coast trawl fishery is described as an example of the processes involved in managing fisheries in the GBRMP.
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Online Documents
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11.
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ICRS9
Mamauag, S.S., T.J. Donaldson, V.R. Pratt and B. McCullough,
2000
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Age and size structure of the leopard coral grouper, Plectropomus leopardus (Serranidae: Epinephelinae), in the life reef fish trade of the Philippines.
In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 2:649-656
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Author
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Mamauag, S.S., T.J. Donaldson, V.R. Pratt and B. McCullough
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Year
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2000
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Title
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Age and size structure of the leopard coral grouper, Plectropomus leopardus (Serranidae: Epinephelinae), in the life reef fish trade of the Philippines.
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Source
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In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 2:649-656
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Keywords
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fish ageing, live fish trade, over-exploitation, cyanide fishing, ICRS9
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Caption
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Please note that the document may contain typo errors due to the inability of the OCR (Optical Character Recognition) software to recognize and translate scientific terms found in the proceedings.
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Abstract
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To determine the effects of exploitation on the stocks of P. leopardus in the live reef fish trade (LRF1), age data between 1998-1999 were assessed in Coron and Guivan. L(infinity) and K were preliminary and results suggest that P. leopardus was slow-growing. The LRFT targets small- to moderate-sized, young individuals which is influenced
by the pricing dynamics in the market. Samples from Coron ranged from 2-8 yrs old (24.0-47.7 cm TL), while those from Guivan were 1-5 yrs. old (15.5-37.0 cm TL) resulting to differences in mean age and size. Mortality rates and exploitation ratio were also preliminary and results indicate that P. leopardus at both sites was over-exploited. Selective harvest in the LRFT raises the possibility that catch in the P. leopardus may consist mostly of sexually immature and maturing individuals. Recruitment over-fishing would be the likely result and depletion of populations may follow.
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Online Documents
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12.
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ICRS9,
Salvat, B.,
2000
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Agenda 21, International coral reef initiative and the
new millenium: progress and prospects for coral reef.
In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 1: 49-57
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Author
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Salvat, B.
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Year
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2000
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Title
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Agenda 21, International coral reef initiative and the
new millenium: progress and prospects for coral reef.
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Source
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In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 1: 49-57
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Keywords
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human activities, ICRS9, global economic expansion, anthropogenic, coral reef ecosystem
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Caption
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Please note that the document may contain typo errors due to the inability of the OCR (Optical Character Recognition) software to recognize and translate scientific terms found in the proceedings.
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Abstract
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The first Great Barrier Reef Expedition was in 1929 (Sir Maurice Yonge), the first International Coral Reef Symposium - ICRS- was in India, 1969, the launching of the International Society for Reef Studies- ISRS -was in 1980 (David Stoddart) and the International Coral Reef Initiative - ICRI -was launched in 1995 (USA). These are
landmarks of the increasing interest in, and concern for, coral reefs. An analysis of what has been done and why is presented in the general context of political, economic and social evolution over these last decades : research for improved knowledge and management of resources; activities at local, national, regional and global levels; and
creation and activities of international organisations (governmental and nongovernmental) and large international conferences. Several decades ago, the major concern focused on the question of what are coral reefs and how they function. The main concern today is how to manage human activities affecting coral reef ecosystems. The present
situation -global view of the reef ecosystem and the effects of global economic expansion - raises the challenge of what action must be undertaken at the beginning of the new millennium. Can we predict what will happen and how to react at different levels and in different fields of activities with the willingness to preserve coral reefs for the benefit
of mankind?
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13.
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ICRS9
van Lavieren, H.,
2000
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An assessment of coastal resources in the northern Siera Madre Natural Park and an approach for management.
In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 2:673-680
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Author
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van Lavieren, H.
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Year
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2000
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Title
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An assessment of coastal resources in the northern Siera Madre Natural Park and an approach for management.
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Source
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In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 2:673-680
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Keywords
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coastal resources managemant, conservastion, resources use, community participation, ICRS9
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Caption
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Please note that the document may contain typo errors due to the inability of the OCR (Optical Character Recognition) software to recognize and translate scientific terms found in the proceedings.
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Abstract
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The Northern Siena Madre Natural Park (NSMNP) is located in Luzon, Philippines and is one of the ten priority sites for biodiversity conservation in the Philippines. This paper gives an overview of the outcome of specific studies on the populations of sea turtles, fisheries, coral reefs, seagrass beds and cetaceans, and some constraints to community based
management in this area discussed together with an approach for sustainable management. Management issues in this park include conflicts in resource use between the indigenous people, migrants and non-local fishermen and their socio-cultural attitudes, which influence the acceptability and effectiveness of coastal resource management
schemes. Fragmented protection of the coastal zone among various mandated government agencies has led to conflicts and/or overlapping of responsibilities often resulting in inaction. The management approach for the NSMNP is multi-factored and dynamic and successful involvement of coastal communities in the protection of marine
resources has been achieved through their participation in local resource protection groups, a biodiversity monitoring system and other conservation activities.
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14.
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ICRS9
Seenprachawong, U.,
2000
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An economic analysis of coral reef benefits from Phi Phi Islands, Thailand.
In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 2: 775-778
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Author
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Seenprachawong, U.
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Year
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2000
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Title
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An economic analysis of coral reef benefits from Phi Phi Islands, Thailand.
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Source
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In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 2: 775-778
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Keywords
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contingent valuation, coral reef, travel cost, willingness to pay, ICRS9
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Caption
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Please note that the document may contain typo errors due to the inability of the OCR (Optical Character Recognition) software to recognize and translate scientific terms found in the proceedings.
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Abstract
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The focus of this study is the valuation of coral reefs and how this information can be used to improve planning for coral reef management in Thailand. Phi Phi is rich in reefs and is envisioned as an ecological tourism destination by government planners. It can generate large economic values through recreation. The annual benefit from the recreational services of Phi Phi estimated by a travel cost method was estimated at 8.216.4 million baht (USD205.41 million) (40 baht=USD1 ). Therefore, the value of Phi Phi is about 249.720 baht (USD6,243) per ha per year (the reef area at Phi Phi is 32,900 ha). Assuming the real value of this recreational value of 8.216.4 million baht (USD205 41 million) a year remains the same over 30 years and using a real interest rate of 5%, the present value of recreation of Phi Phi is 126,280 million baht (USD3,157 million). A contingent valuation method (CVM) was used to estimate utility values associated with coral reef biodiversity at Phi Phi. The mean willingness to pay (WTP) per visit was estimated at 287 baht (USD7.17) for domestic visitors and at 286 baht (USD7.15) for international visitors. From this the total value of Phi Phi's coral reefs was estimated to be 5.89 million baht (USD .147 million) a year for domestic
visitors and 49.6 million baht (USDl.24 million) a ye ar for international visitors. This study also used the CVM to calculate the mean willingness to pay of domestic vicarious users - 634 baht (USDI5.85) - and from this the total value (use and non-use) of the reefs was estimated to be 19,895 million baht (USD497.38 million) a year, averaging 604,720 baht (USD15,118) per ha per year. It is recommended that a benefit capture instrument be implemented that targets tourists' consumer surpluses. Determining a user fee for Phi Phi is quite straight forward as the value that people obtain from visiting Phi Phi reef site is 286-287 baht (USD7.15-7.17) per visit. Based on these numbers, this study suggests a basic entrance fee of 40 baht (USDI) per person per visit but additional user charges should be
implemented when visitors received additional services from the variety of recreational sites being offered at Phi Phi.
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15.
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ICRS9
Cadiz, P.L., and H.P. Calumpong,
2000
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Analysis of revenues from ecotourism in Apo island,
Negros Oriental, Philippines.
In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 2: 771-775
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Author
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Cadiz, P.L., and H.P. Calumpong
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Year
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2000
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Title
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Analysis of revenues from ecotourism in Apo island,
Negros Oriental, Philippines.
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Source
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In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 2: 771-775
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Keywords
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ecotourism, revenues, Philippines, ICRS9
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Caption
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Please note that the document may contain typo errors due to the inability of the OCR (Optical Character Recognition) software to recognize and translate scientific terms found in the proceedings.
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Abstract
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Apo Island Marine Sanctuary in Central Philippines was established in 1986 as a fisheries intervention using a community-based approach. Its continued protection resulted not only in increased fish standing biomass and harvest but also in the preservation of its coral reefs. However, th e unregulated number of tourists diving and snorkeling in the sanctuary has raised concerns among members of the community and the Protected Area Management Board (PAMB) of the damage it has caused to the corals. Hence, this study was conducted to monitor tourism in Apo Island with the objective of aiding the PAMB in regulating it. April was the peak month for tourism (2301v sitors) and September the lowest month (737 visitors). Number of visitors daily ranged from 26 to 54. The majority of
visitors were foreigners (6 2%). Filipinos comprised only 38%. Total donations and user fees collected amounted to PhP 5 39,489 (U S$ 13,487@ US$1: PhP4 0); 5 .48% were donations, the rest were user fees prescribed by PAMB. Of the amount, 75% went back to Apo Island for maintenance of the marine sanctuary. Income in support of tourism
activities, e .g. diving, boats, accommodation, souvenir was estimated to be 7, 234,366 (US$ I 80,859), 20% of which went directly to Apo residents.
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16.
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ICRS9
Friedlander, A., K. Poepoe, K. Poepoe, K. Helm, P. Bartram, J. Maragos and I. Abbott,
2000
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Application of Hawaiian traditions to community based fishery management.
In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 2:813-818
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Author
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Friedlander, A., K. Poepoe, K. Poepoe, K. Helm, P. Bartram, J. Maragos and I. Abbott
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Year
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2000
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Title
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Application of Hawaiian traditions to community based fishery management.
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Source
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In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 2:813-818
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Keywords
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Hawaiian tradition, subsistance fisheries, ICRS9
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Caption
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Please note that the document may contain typo errors due to the inability of the OCR (Optical Character Recognition) software to recognize and translate scientific terms found in the proceedings.
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Abstract
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The community in the Ho'olehu Hawaiian Homesteads on the island of Moloka'i is strengthening community influence and accountability for the health and long-term sustainability of their marine resources through revitalization of local traditions and resource knowledge. The traditional system in Hawaii emphasized social and cultural controls on fishing with a code of conduct that was strictly enforced. Local resource monitors, in conjunction with visiting scientists, are creating a predictive management tool based loosely on the Hawaiian moon calendar to guide responsible fishing practices. Community-sanctioned norms for fishing conduct are being reinforced through continual feedback based on local resource monitoring, education, and peer pressure. Hawaiian community building and proper cultural protocols are essential to understand and revitalize marine conservation traditions.
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17.
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ICRS9
Westmacott, S.,
2000
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Are we tackling the main issues constraining
integrated coastal management in coral reef areas ?
In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 2:729-734
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Author
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Westmacott, S.
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Year
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2000
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Title
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Are we tackling the main issues constraining
integrated coastal management in coral reef areas ?
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Source
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In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 2:729-734
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Keywords
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integrated coastal management, participation, poverty, conflict resources, ICM, ICZM, ICRS9
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Caption
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Please note that the document may contain typo errors due to the inability of the OCR (Optical Character Recognition) software to recognize and translate scientific terms found in the proceedings.
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Abstract
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The increasing pressure on our coastal zones, particularly in tropical areas has resulted in a call for a more integrated form of management. Integrated Coastal Management is defined here as the "ideal" situation where institutions, defined as agencies, stakeholders and organisations involved or affected by the management of the coastal zone, work together to manage the use of coastal resources in a sustainable manner. This paper reports on a recent survey of tropical coastal areas that identifies the main impediments affecting the ability to implement ICM in these areas. The results show we need to focus on reducing pressure on fish stocks, poverty alleviation, conflict resolution, education and awareness
building for both political and public support and ensuring sufficient enforcement capacity within organisations.
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18.
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ICRS9
Blakeway, D.,
2000
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Artefacts in reef-accretion curves derived from core: A simulation study.
In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 1:217-222
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Author
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Blakeway, D.
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Year
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2000
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Title
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Artefacts in reef-accretion curves derived from core: A simulation study.
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Source
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In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 1:217-222
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Keywords
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geology, ICRS9
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Caption
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Please note that the document may contain typo errors due to the inability of the OCR (Optical Character Recognition) software to recognize and translate scientific terms found in the proceedings.
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Abstract
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Because cores are extremely small samples of a reef, they may not always be representative of the reef or reef zone from which they were taken. They may therefore give a misleading impression of the reefs history. The potential for variability between cores within a reef depends primarily on the extent of spatial heterogeneity in reef development.
In this study computer simulations are used to investigate the effects of spatial variation in two parameters, colonisation and accretion rate, on reef accretion curves derived from cores. The simulations indicate that cores consistently underestimate the timing of reef initiation and overestimate the reef accretion rate. These artefacts of coring are likely to cause misinterpretations regarding reef response to sea level change. In particular, they will tend to produce catch-up accretion curves, even in reefs that actually kept pace with sea level.
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19.
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ICRS9,
Cooper, T.F., M.P. L. Smith, J.D.Bell and K.A. Pitt,
2000
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Assessing the effects of logging on coral reefs in
Solomon Islands.
In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 2:1199-1204
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Author
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Cooper, T.F., M.P. L. Smith, J.D.Bell and K.A. Pitt
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Year
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2000
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Title
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Assessing the effects of logging on coral reefs in
Solomon Islands.
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Source
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In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 2:1199-1204
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Keywords
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runoff, sedimentation, experimental design, environment impact, ICRS9, Solomon Islands, logging
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Caption
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Please note that the document may contain typo errors due to the inability of the OCR (Optical Character Recognition) software to recognize and translate scientific terms found in the proceedings.
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Abstract
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The corals occurring in bays adjacent to mouths of rivers in Western Province, Solomon Islands, are being studied to quantify the effects of runoff associated with logging on coral reefs. The 5-year study aims to identify any effects of runoff on fringing coral reefs by comparing abundance, diversity, survival and recruitment of corals adjacent to ,
actively logged, previously logged and unlogged catchments on each of 2 islands. A pilot study comparing diversity and abundance of corals adjacent to actively logged and unlogged catchments indicated that effects of runoff on corals did not always conform to predictions, and differed between islands. For example, there was more dead coral
adjacent to logged catchments at Vangunu Island, whereas at Kolombangara Island, more live coral occurred adjacent to actively logged catchments. The comparison of bays adjacent to actively logged, previously logged and unlogged catchments over 5 years is expected to provide a robust test of any effects of runoff on diversity and abundance of
corals, whilst also testing for recovery from any such impacts.
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20.
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ICRS9
Naseer, A. and B.G. Hatcher,
2000
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Assessing the integrated growth response of coral reefs to monsoon forcing using morphometric analysis of reefs in Maldives.
In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 1: 75-80
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Author
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Naseer, A. and B.G. Hatcher
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Year
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2000
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Title
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Assessing the integrated growth response of coral reefs to monsoon forcing using morphometric analysis of reefs in Maldives.
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Source
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In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 1: 75-80
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Keywords
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reef growth, morphometrics, monsoon forcing, remote sensing, ICRS9
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Caption
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Please note that the document may contain typo errors due to the inability of the OCR (Optical Character Recognition) software to recognize and translate scientific terms found in the proceedings.
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Abstract
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It is hypothesized that monsoon forcing interacts with antecedent reef platform structure to produce characteristic growth configurations and predictable reef morphologies in Maldives. The hypothesis is being tested by the classification of LANDSAT-7 ETM+ imagery of all reefs along the N-S and E-W axis of the archipelago, and the
calculation of morphometric indices. Well-defined gradients in monsoon forcing and antecedent platform structure are quantified along the same dimensions, and statistically related to the morphometrics. Here, it is reported the theoretical and analytical basis of the study, and present preliminary results that demonstrate the ability of remotely
sensed imagery to quantify large (I.5-5x) asymmetries in lateral reef growth, which correspond to differences of similar magnitude in the wave energy generated by the NE and SW monsoons.
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21.
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ICRS9
Westmacott, S., H. Cesar, L. Pet-Soede and O. Lindén,
2001
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Assessing the Socio economic Impacts of the Coral Bleaching Event in the Indian Ocean.
Pp. 31-40 in Schuttenberg, H.Z. (ed.). Coral Bleaching: Causes, Consequences and Response. Selected papers presented at the Ninth International Coral Reef Symposium on “Coral Bleaching: Assessing and Linking Ecological and Socioeconomic Impacts, Future Trends and Mitigation Planning.” Coastal Management Report #2230, Coastal Resources Center, University of Rhode Island: 102 pp.
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Author
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Westmacott, S., H. Cesar, L. Pet-Soede and O. Lindén
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Year
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2001
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Title
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Assessing the Socio economic Impacts of the Coral Bleaching Event in the Indian Ocean.
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Source
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Pp. 31-40 in Schuttenberg, H.Z. (ed.). Coral Bleaching: Causes, Consequences and Response. Selected papers presented at the Ninth International Coral Reef Symposium on “Coral Bleaching: Assessing and Linking Ecological and Socioeconomic Impacts, Future Trends and Mitigation Planning.” Coastal Management Report #2230, Coastal Resources Center, University of Rhode Island: 102 pp.
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Keywords
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, ICRS9
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Caption
|
Please note that the document may contain typo errors due to the inability of the OCR (Optical Character Recognition) software to recognize and translate scientific terms found in the proceedings.
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Abstract
|
Coastal populations in the Indian Ocean have been adversely affected by coral reef mortality resulting from
the bleaching event in 1998. Assessing the socioeconomic impacts focused on the two main coastal activities
in the region, tourism and fisheries. Anticipating the full impacts will be vital to enable these countries to
adapt and manage the situation. The study found, in many cases, the full impacts of the reef degradation are
still to be seen. The impacts are also variable across the region, as was the extent of the bleaching. Impacts
on fisheries will become apparent as changes occur to the reef structure. In places where the reef structure
breaks down, the reef fisheries could collapse, affecting millions of small-scale fishermen. The importance
of reef fisheries in terms of provision of food and employment was established. Tourism creates both direct
and indirect employment for these coastal populations and in many of these countries is an important source
of foreign income. The economic costs of the coral bleaching in the Maldives was estimated at US$3 million
in 1998-99, with welfare losses reaching US$63 million. Estimates of the financial cost of the bleaching in
Mombasa, should dissatisfied tourists not return, was estimated at US$13-$20 million, and in Zanzibar was
estimated at US$3-$5 million. Understanding and anticipating tourist behaviour will enable governments and
tourism boards to take timely precautions, changing marketing strategies and retaining their tourism industry.
The full socioeconomic impact of the bleaching will become apparent in the near future.
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22.
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ICRS9
Stepath, C.M.,
2000
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Awareness and community-based monitoring.
In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 2:807-811
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Author
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Stepath, C.M.
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Year
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2000
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Title
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Awareness and community-based monitoring.
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Source
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In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 2:807-811
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Keywords
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experimental education, responsible environtal behaviour, social ecology, ICRS9
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Caption
|
Please note that the document may contain typo errors due to the inability of the OCR (Optical Character Recognition) software to recognize and translate scientific terms found in the proceedings.
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Abstract
|
Outreach and community education programs make awareness their primary goal, but this is not producing responsible environmental behavior. In conservation much attention is being focused on raising public awareness, but other action needs to be taken. A awareness is realizing that a problem exists, not necessarily include rectifying the
problem. Environmental educators, policy makers and managers should look past environmental awareness toward outcomes related to responsible behaviour. Current publications note that the relationship between attitudes and behaviour is questionable. New ideas and fresh approaches are needed to help people translate awareness to participatory action. This article explores the relationship between coral reef monitoring, awareness, and participation. Awareness is only a first step in the process of responsible environmental behaviour, not an end in itself. Promoting responsible environmental behaviour requires changing human attitudes and linking them to participation. Participatory action should be the desired outcome, and awareness is a necessary step in the process.
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Online Documents
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- Copies of papers downloaded from ReefBase may be used and reproduced for non-commercial purpose only.
- If you encounter any problem viewing the PDF files, please use the latest version of Adobe Reader.
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23.
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ICRS9,
Boekschoten, G.J., M. B. Best and K.S. Putra,
2000
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Balinese reefs in historical context.
In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 1:321-324
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Author
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Boekschoten, G.J., M. B. Best and K.S. Putra
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Year
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2000
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Title
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Balinese reefs in historical context.
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Source
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In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 1:321-324
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Keywords
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geology, ICRS9, Biology, Conservation, Balinese
reefs
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Caption
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Please note that the document may contain typo errors due to the inability of the OCR (Optical Character Recognition) software to recognize and translate scientific terms found in the proceedings.
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Abstract
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Geological and biological data on Balinese reefs are presented. The oldest reefs developed on top of Neogene pillow lava flows. From these only travertine remains as redeposited karstic infillings. Sections of early and late Pleistocene reefs are preserved on the Bukit peninsula. Post-glacial reefs originated in several submarine settings: along
limestone cliffs end denuded volcanic hardnecks; on lava outflows; and on residual boulder coasts washed by oceanic surfs from lahar deposits. Because of a varied topography and the presence of active volcanoes, reefs developed under a multitude of different environmental stresses. Living reefs are discussed and compared with other reefs in Indonesia in respect to coral composition and biodivemity. The present status of the Bali reefs and their future aspects are discussed as well.
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Online Documents
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- Copies of papers downloaded from ReefBase may be used and reproduced for non-commercial purpose only.
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24.
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ICRS9
Costa, O.S., M.J. Attrill, A.G. Pedrini and J.C. De-Paula,
2000
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Benthic macroalgal distribution in coastal and offshore reefs at Porto Seguro
Bay, Brazilian Discovery Coast.
In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 1:499-508
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Author
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Costa, O.S., M.J. Attrill, A.G. Pedrini and J.C. De-Paula
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Year
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2000
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Title
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Benthic macroalgal distribution in coastal and offshore reefs at Porto Seguro
Bay, Brazilian Discovery Coast.
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Source
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In Moosa, M.K., S. Soemodihardjo, A. Soegiarto, K. Romimohtarto, A. Nontji, Soekarno and Suharsono (ed.). Proceedings of the Ninth International Coral Reef Symposium, Bali. 23-27 Oct. 2000. Vol. 1:499-508
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Keywords
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algal turfs, macroalgae, tropical seaweed, ICRS9
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Caption
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Please note that the document may contain typo errors due to the inability of the OCR (Optical Character Recognition) software to recognize and translate scientific terms found in the proceedings.
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Abstract
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Macroalgae are major components of Atlantic shallow coral reef communities and potentially a major competitor
with corals. This study investigates the spatial and seasonal distribution of macroalgal species, which includes fleshy
algae, turf algae and some geniculate and non-geniculate corallines, on two coastal and one offshore reef from Porto
Seguro Bay, Brazil. Data were collected during the dry season (JulylAugust 1999) and2 the rainy season
(FebruaryIMarch 2000), with samples being taken from the reef wall (at 1, 3 and 5 m depth) and from the reef flat.
Macroalgal cover ranged from 33% (reef wall) to 60% (reef flat) on the coastal reefs, and from 36% (reef wall) to
50% (reef flat) on the offshore reef. The most diverse group was the Phaeophyta (19 taxa), followed by Rhodophyta
(17 taxa) and then Chlorophyta (15 taxa). The largest number of infrageneric taxa was recorded during the rainy
season (FebruaryIMarch 2000), the most abundant genera being Sargassum, Padina, Dictyota, Dictyosphaeria,
Caulerpa and Amphiroa. Two species were recorded for the first time in the region: Tricleocarpa cylindrica
(Rhodophyta, Galaxauraceae) and Avrainvillea longicaulis (Chlorophyta, Udoteaceae). Algal turf dominated the
community structure at all reef sites and habitats. Fleshy algae are the second most conspicuous group on the reef flat
in both coastal and offshore reefs. In terms of dominance, on the reef wall, corals and zoanthids are second to turf
algae in the offshore reef and coastal reefs respectively. This paper is the first of a series describing the distribution of
benthic components w2in coral reef communities of the Brazilian Discovery coast.
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Online Documents
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- Copies of papers downloaded from ReefBase may be used and reproduced for non-commercial purpose only.
- If you encounter any problem viewing the PDF files, please use the latest version of Adobe Reader.
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25.
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ICRS9
Costa Jr., O.S., M. J. Attrill, A. G. Pedrini and J. C. De-Paula,
2001
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Benthic macroalgal distribution in coastal and offshore
reefs at Porto Seguro Bay, Brazilian Discovery Coast.
Proceedings of the Ninth International Coral Reef Symposium (ICRS), October 23-27, 2000. Bali, Indonesia
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Author
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Costa Jr., O.S., M. J. Attrill, A. G. Pedrini and J. C. De-Paula
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Year
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2001
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Title
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Benthic macroalgal distribution in coastal and offshore
reefs at Porto Seguro Bay, Brazilian Discovery Coast.
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Source
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Proceedings of the Ninth International Coral Reef Symposium (ICRS), October 23-27, 2000. Bali, Indonesia
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Keywords
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macroalgae, coral reef, benthic community
distribution, tropical seaweed, Brazil, ICRS9
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Caption
|
Please note that the document may contain typo errors due to the inability of the OCR (Optical Character Recognition) software to recognize and translate scientific terms found in the proceedings.
|
|
|
Abstract
|
Abstract Macroalgae are major components of Atlantic shallow coral reef communities and potentially a major competitor with corals. This study investigates the spatial
and seasonal distribution of macroalgal species, which includes fleshy algae, turf algae and some geniculate and non-geniculate corallines, on two coastal and one
offshore reef from Porto Seguro Bay, Brazil. Data were collected during the dry season (July/August 1999) and the rainy season (February/March 2000), with samples
being taken from the reef wall (at 1, 3 and 5 m depth) and from the reef flat. Macroalgal cover ranged from 33% (reef wall) to 60% (reef flat) on the coastal reefs, and from 36% (reef wall) to 50% (reef flat) on the offshore reef. The most diverse group was the Phaeophyta (19 taxa), followed by Rhodophyta (17 taxa) and then Chlorophyta (15 taxa). The largest number of infrageneric taxa was recorded during the rainy season (February/March 2000), the most abundant genera being Sargassum, Padina, Dictyota, Dictyosphaeria, Caulerpa and Amphiroa. Two species were recorded for the first
time in the region: Tricleocarpa cylindrica (Rhodophyta, Galaxauraceae) and Avrainvillea longicaulis (Chlorophyta, Udoteaceae). Algal turf dominated the community structure at all reef sites and habitats. Fleshy algae are the second most conspicuous group on the reef
flat in both coastal and offshore reefs. In terms of dominance, on the reef wall, corals and zoanthids are second to turf algae in the offshore reef and coastal reefs respectively. This paper is the first of a series describing the distribution of benthic components within coral reef communities of the Brazilian Discovery coast.
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Online Documents
|
- Copies of papers downloaded from ReefBase may be used and reproduced for non-commercial purpose only.
- If you encounter any problem viewing the PDF files, please use the latest version of Adobe Reader.
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