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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: 98 records
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1.
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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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2.
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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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3.
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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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4.
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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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Online Documents
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5.
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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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Online Documents
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6.
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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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7.
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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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8.
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ICRS9
Ruengsawang, N. and T.Yeemin,
2000
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Bioerosion caused by grazing activities on coral communities in the Gulf of 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. 1:289-294
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Author
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Ruengsawang, N. and T.Yeemin
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Year
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2000
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Title
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Bioerosion caused by grazing activities on coral communities in the Gulf of 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. 1:289-294
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Keywords
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Diadema setosum, bleaching effect, calcium carbonate budget, ICRS9
Bioerosion, Sea urchin, Coral community, Gulf of Thailand
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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 over exploitation and poor management of coastal ecosystems in Thailand led to the deterioration of many coral reefs. Studies in detail concerning coral reef science in Thailand are very limited. The process of bioerosion has been recognized as an important role in coral reef ecology. Diadema setosum is a dominant echinoid species in coral communities in the Gulf of Thailand. The aim of the present study is to estimate bioerosion rates by D. setosum in coral communities at Khang Khao Island, Inner Gulf of Thailand in February, June, and November 1998 by acidification method. Bioerosion rates were in the range of 0.34-1.43 g CaCO3/individual/day or 1.64-5.50 Kg CaCO3/m2/year. The highest bioerosion rates were found in the shallowest zones due to mainly high population density of D. setosum. The first severe coral bleaching event in the Gulf of Thailand during April-May 1998 was a factor which resulted in increasing of population densities of D. setosum and consequently enhancing bioerosion rates during that period. In general, bioerosion rates by D. setosum obtained from the present study were in the same range of those reported by previous workers from several localities. Bioerosion caused by grazing of D. setosum plays a major role on calcium carbonate budget in coral communities in the Gulf of Thailand.
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9.
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ICRS9,
Reis, M.A.C. and Z.M.A.N.Leao,
2000
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Bioerosion rate of the sponge Cliona celata (Grant 1826) from reefs in turbid waters, north Bahia, Brazil.
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. 1:273-278
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Author
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Reis, M.A.C. and Z.M.A.N.Leao
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Year
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2000
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Title
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Bioerosion rate of the sponge Cliona celata (Grant 1826) from reefs in turbid waters, north Bahia, Brazil.
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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. 1:273-278
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Keywords
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sediment, ICRS9, Bioerosion, Clionidae, Coral reefs, Turbidity, North Bahia, Brazil
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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 nearshore bank reefs along the north coast of Bahia, Brazil, are influenced by a continentally derived intense-siliciclastic sediment influx and a nutrient enrichment. In order to estimate the degree of bioerosion by the sponge Cliona celata (Grant 1826), massive colonies of the endemic coral Siderastrea stellata (Verrill 1868) were sampled from the intertidal shallow pools (0.2 to 0.6 m deep) of the emergent top of two isolated reefs, from the surfer. of a shallow reef (5 m), and of a 10 m deep reef. Five roughly hemispherical and partially living coral heads (10 to 20 cm diameter), were haphazardly collected from each zone. X-radiographs of sliced coral colonies were performed to estimate the percentage of skeleton removed and the rate of coral growth. The boring activity of Cliona celata in the studied corals coincides with that of worldwide investigated reefs from clear waters. It is slightly related with some characteristics of coral host; i.e. coral growth rate and density.
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Online Documents
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10.
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ICRS9
Cuffey, R.J., J.J. Cawley, J.A. Lane, S.M. Bernarsky-Remington, S.L. Ansari, M.D. McClain, T.L. Ross-Phillips and A.C. Savill,
2000
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Bryozoan reefs and bryozoan-rich limestones in the Ordovician of Virginia.
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. 1:205-210
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Author
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Cuffey, R.J., J.J. Cawley, J.A. Lane, S.M. Bernarsky-Remington, S.L. Ansari, M.D. McClain, T.L. Ross-Phillips and A.C. Savill
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Year
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2000
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Title
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Bryozoan reefs and bryozoan-rich limestones in the Ordovician of Virginia.
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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. 1:205-210
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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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Several bryoman-built reef mounds are preserved in thick limestones Chazyan/Blackdveran, Llandeilo/Camdoc, Middle/Upper Ordovician) across southwestern Virginia The bryozoan reefs are small (meter-sized) crosls one mounds built largely by the
sheet-like to massive trepostome Batostoma chazyensis. Locally, the thinly branching fistuliporoid Constellaria islensis formal dense but non-reefal thickets, preserved as low rudstone mounds. Large (km-scale) calcarenite (floatstone) shoals and banks contain
skeletal sediment derived from scattered branching bryozoan colonies. Shallow shoals hosted trepostomes (Nicholsonella acanthobscura) and bifoliates (Pachydictya sheldonensis, Stictopora fenestrata), deeper banks the trepostomes Anaphragma hermitagensis and Nicholsonella inflecta. Overall, 51 bryozoan species have been identified here, some as frame-buildas and others as sediment-formers.
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11.
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ICRS9
Beets, J. and C. Rogers,
2000
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Changes in fishery resources and reef fish
assemblages in a marine protected area in the US Virgin Islands: the need for a no take marine reserve.
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. 1:449-454
|
Author
|
Beets, J. and C. Rogers
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|
|
Year
|
2000
|
|
|
Title
|
Changes in fishery resources and reef fish
assemblages in a marine protected area in the US Virgin Islands: the need for a no take marine reserve.
|
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Source
|
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. 1:449-454
|
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Keywords
|
MPA, fishery declines, marine reserves, reef fishes, 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
|
Fishery resources have declined and reef fish assemblages have changed over the last 30-40 years in the US Virgin Islands (USVI), even within a Marine Protected Area, Virgin Islands National Park (VINP). Groupers and snappers are now far less abundant, the proportion of herbivorous fishes has increased. individuals of many fish species are smaller, and spawning aggregations have been decimated. The national park is not a refuge for reef fishes. Relative abundance, species richness, and biomass of fishes in visual samples, and the species composition and number of fishes in traps are similar inside and
outside VINP. Lobsters and conchs have decreased in abundance and/or size, and conch density is no greater within VINP than outside. Although habitat degradation has undoubtedly played a role, heavy fishing pressure has greatly contributed to the observed changes. No-take marine reserves, such as the recently established national monuments in the USVI, offer hope for recovery of fish assemblages and associated habitats.
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|
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12.
|
|
ICRS9
Amaral F.D., M.M. Hudson. F.L. da Silveira, A.E. Migotto, S.M. Pinto and L. Longo,
2000
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|
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Cnidarians of Saints Peter and St. Paul archipelago,
Northeast Brazil.
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. 1:567-572
|
Author
|
Amaral F.D., M.M. Hudson. F.L. da Silveira, A.E. Migotto, S.M. Pinto and L. Longo
|
|
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Year
|
2000
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|
|
Title
|
Cnidarians of Saints Peter and St. Paul archipelago,
Northeast Brazil.
|
|
|
Source
|
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. 1:567-572
|
|
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Keywords
|
cnidaria, scleractinia, 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
|
This study gives information about the cnidarian fauna of Saint Peter and St. Paul archipelago, a remote group of rocks lying just north of the equator (0°56'N; 29°22'W), 960 km off the Brazilian coast. Most collections were made by scuba but snorkeling was also used. Specimens were collected during five main Expeditions: August 1998, June, August and September 1999, and August 2000, from depths between 0 and 60 m, by hand or using chisels and hammers. A total of 19 species of cnidarians were recorded: three species of. hydroids (Halopteris olternata, Aglaophenia rhyncocharpa and Sertularella sp.); four species of scleractinian corals (Scolymia wellsi, Madracis decactis, Astrangia braziliensis and Polycyathus sp.); six species of anemones (Actinia bermudensis, Aiptasia
pallida, Anemonia sargassensis; Bunodosoma caissorum, B. cangicum and Telmatactis roseni); four species of zoanthids (Zoanthus sociatus, Z. nymphaeus, Palythoa caribaeorum and Parazoanthus sp.); one species of octocoral (Carijoa sp.), and one species of black coral (Antipathes sp.). Eleven new occurrences were recorded. St. Peter and St. Paul Archipelago has a lower richness of cnidarians when compared to the nearest area of Fernando de Noronha archipelago.
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|
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13.
|
|
ICRS9
Wunsch, M. S.M. Al-Moghrabi and I. Kotter,
2000
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|
|
|
|
Communities of coral reef cavities in Jordan, Gulf of Aqaba (Red Sea).
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. 1:595-600
|
Author
|
Wunsch, M. S.M. Al-Moghrabi and I. Kotter
|
|
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Year
|
2000
|
|
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Title
|
Communities of coral reef cavities in Jordan, Gulf of Aqaba (Red Sea).
|
|
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Source
|
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. 1:595-600
|
|
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Keywords
|
caves, cavities, image analysis, underwater video, benthic cammunities, coelobites, ICRS9
|
|
|
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
|
Cavities are a ubiquitous feature of coral reefs offering a large substrate to benthic organisms (coelobites). Due to
their small size very little is known about the communities lining their walls. Using the video-endoscopic CaveCam
we investigated the community composition of coral reef cavities in a Red Sea fringing reef. Cavities measuring 0.2-
0.6 m in diameter and 1.25-1.75 m in length were studied at depth between 2-20 m. From 1486 close-up images a
total of 274 macrobenthic taxa was distinguished covering 59% of the total available substrate. Algal cover decreased
from 60% at the cavity entrance to below 20% at 0.75 m distance from the entrance. Conversely faunal cover
increased from less than 20% near the entrance to up to 40% within the cavities and consisted mainly of sponges
(15.9%), polychaetes (5.6%), scleractinian corals (2.2%) and ascidians (1.8%). Light and water flow were the main
factors governing the zonation within cavities, whereas water depth and water flow determined the community
differences between cavities.
|
|
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|
|
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14.
|
|
ICRS9
Segal, B. and C.B. Castro,
2000
|
|
|
|
|
Community structure at the Abrolhos Archipelago
Brazil.
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. 1:583-588
|
Author
|
Segal, B. and C.B. Castro
|
|
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Year
|
2000
|
|
|
Title
|
Community structure at the Abrolhos Archipelago
Brazil.
|
|
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Source
|
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. 1:583-588
|
|
|
Keywords
|
community structure, survey, coral reef, 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
|
The Abrolhos Reef Complex, Brazil, comprises the most developed reef assemblages in the South Atlantic. Patterns of coral and benthic community structure were analyzed in the Abrolhos National Marine Park, at three and at depths (stations) between 1.9 and 4.0 m. Point intercept transects (n=5 per station) were sampled. Colony sizes (n=36-60) and distances (n=17-30) of the most frequent or abundant coral species were measured. Shannon-Wiener diversity indices were low (0.28-0.53). Eleven coral species were recorded (total coral coverage = 6.6-31.8%). Dominant reef building drganisms were the endemic coral Mussismilia braziliensis (1.9-24.5% cover) and coralline algae (13.8- 19.5% cover). Significant differences among localities were detected in colony sizes, and in point-to-colony and colony-to-colony distances for some species, and among benthic communities. Some of the differences found are probably best explained by physical factors, mainly wind direction and intensity.
|
|
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|
|
|
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15.
|
|
ICRS9
Mioche, D. and P. Cuet,
2000
|
|
|
|
|
Community metabolism on reef flats at La Reunion
island (Indian Ocean): natural versus anthropogenic disturbance.
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. 1:431-436
|
Author
|
Mioche, D. and P. Cuet
|
|
|
Year
|
2000
|
|
|
Title
|
Community metabolism on reef flats at La Reunion
island (Indian Ocean): natural versus anthropogenic disturbance.
|
|
|
Source
|
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. 1:431-436
|
|
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Keywords
|
reef flat communities, oranic production, calcification, eutrophication, 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
|
This paper documents community metabolism on four reef flats at La Reunion Island: (I) two undisturbed reef flats, (2) a reef flat damaged by the combined effects of nutrient loading and undergrazing (Planch' Alizes), and (3) a reef flat destroyed in 1989 by a hurricane (La Varangue). The undisturbed sites display similar excess productions (E),
slightly positive in summer (56-59 microM O2)m2d-1, gross primary production to respiration ratio (Pg/R) = 1.11-1.13), and nil in winter. Whatever the season, E is positive at La Varangue (177-325 microM O2m-2d-1; Pg/R=. 1.18-1.22); data suggest a tendency towards net heterotrophy at Planch' Alizes (E between -125 and -71microM O2m-2d-1; Pg/R= 0.87-
1); E is higher at La Varangue, and the PgR ratio lower at Planch' Alizes, than at the other sites. In winter, Planch' Alizes displays a lower daily net calcification than the other sites (18 and 110-182 microM CaCO3O2m-2d-1 respectively); in summer, a significant CaCO3 dissolution occurs at night at this site (respectively -16 and 3 to 5 microM CaCO3m2h-1). Therefore, calcification and/or net productivity allow the characterization of the disturbed areas. At Saint-Leu, they reflect the shift in community structure, which occurred after the hurricane. The dominance of massive corals may affect the carbonate budget at Planch' Alizes. However, the negative E values and the night-time CaCO3 dissolution observed in summer at this site presumably result from an input of exogenous organic matter, and, therefore, mainly reflect anthropogenic disturbance.
|
|
|
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|
|
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16.
|
|
ICRS9
Pratchett, M.S., A.H. Baird and C.P. Marquis,
2000
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|
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|
|
Comparative palatability among eggs of mass spawning 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. 1:391-394
|
Author
|
Pratchett, M.S., A.H. Baird and C.P. Marquis
|
|
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Year
|
2000
|
|
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Title
|
Comparative palatability among eggs of mass spawning corals.
|
|
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Source
|
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. 1:391-394
|
|
|
Keywords
|
reproduction, chemical defence, larval mortality predator satiation, ICRS9
|
|
|
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
|
The eggs and larvae of mass-spawning reef corals are seasonally abundant and highly nutritious and are therefore a potentially important food source for planktivorous fishes. While there arc several reports of fish feeding on coral propagules, it is not known whether propagules of different coral species are equally palatable. Here we report that the planktivorous fish Pomacentrus moluccensis readily consumed, and did not distinguish between, food pellets made from eggs of Acropora millepora and A. humilis. In contrast, pellets made from eggs of Pachyseris speciosa were often tasted but then rejected. Pomacemrus moluccensis consistently selected pellets made from eggs of the Acropora species over pellets made from eggs of P. speciosa. These preliminary findings suggest that not all coral propagules are equally palatable. Consequently rates of larval mortality resulting from fish predation may vary greatly among different coral species.
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|
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|
|
|
17.
|
|
ICRS9
Ross, A. and W.A. Newman,
2000
|
|
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Coral barnacles: Cenozoic decline and extinction in the Atlantic/East Pacific versus diversification in the 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. 1: 179-184
|
Author
|
Ross, A. and W.A. Newman
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Year
|
2000
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|
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Title
|
Coral barnacles: Cenozoic decline and extinction in the Atlantic/East Pacific versus diversification in the Indo-West Pacific.
|
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Source
|
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: 179-184
|
|
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Keywords
|
cirripidae, biogeography, ICRS9
|
|
|
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
|
The coral barnacles, first appearing in the Late Oligocene of
the Caribbean, underwent diversification unparalleled by any
other group of shallow-water sessile barnacles. An
archaeobalanid ancestor, with a shell of six wall and four
opercular plates, proceeded from an unspecialized, facultative,
setose-feeding planktotroph to variously modified obligate
commensals largely of corals. This not only led to a diversity
of shell forms but to feeding on host coral tissues and
ultimately to nutritional parasitism. Fragmentation of the
Tethyan seaway, concomitant with polar cooling and
wholesale extinctions of host corals, especially in Europe, the
Mediterranean basin and eastern Pacific during the Tertiary,
resulted in relict distributions and regional endemism. These
events included Neogene and Quaternary extinctions of
barnacle and coral genera in the western Atlantic/Caribbean
which have not been replaced by originations. On the other
hand, the development of the exceptional diversity of coral
barnacles now evident in the Indo-Pacific was apparently tied
to the survival and radiation largely of zooxanthellate corals
there.
|
|
|
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|
|
|
|
18.
|
|
ICRS9
Harriot, V.J. and S.D.A. Smith,
2000
|
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Coral population dynamics in a subtropical coral
community, Solitary Islands Marine Park, Australia.
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. 1:573-582
|
Author
|
Harriot, V.J. and S.D.A. Smith
|
|
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Year
|
2000
|
|
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Title
|
Coral population dynamics in a subtropical coral
community, Solitary Islands Marine Park, Australia.
|
|
|
Source
|
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. 1:573-582
|
|
|
Keywords
|
subtropical reef, coral population, dynamics, ICRS9
|
|
|
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
|
The population dynamics of coral communities have rarely been studied in subtropical coral communities, despite hypotheses that such communities may be subject to more variable mortality and recruitment rates than tropical coral reefs. In the Solitary Islands Marine Park (30°S) in Eastern Australia, changes in cover of coral and other biota in
mapped fixed quadrats were recorded at three island sites at approximately annual intervals between 1993 and 1998. At two of the sites, coral cover was relatively stable over time and ranged between 27% and 35% cover over the five years. At the third and most inshore site on the coastline at Coifs Harbour, coral cover approximately doubled during
the study period, from 11% to 23% cover. For all times pooled, coral recruitment rates averaged 1.3 to 1.8 recruits/m2/year, while mortality rates were 0.7 - 2.0 corals/m2/year, with recruitment rate strongly correlated with
mortality rate for different taxa. Pocillopora damicomis contributed approximately 50% of the population turnover, but only 23% of the coral cover at the three sites. Principle causes of coral mortality during the period were localised storm damage and overgrowth by worm tubes.
|
|
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|
|
|
|
19.
|
|
ICRS9
Cruz-Rivera E. and V.J. Paul,
2000
|
|
|
|
|
Coral reef benthic cyanobacteria as food and refuge: diversity, chemistry and complex interactions.
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. 1:515-520
|
Author
|
Cruz-Rivera E. and V.J. Paul
|
|
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Year
|
2000
|
|
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Title
|
Coral reef benthic cyanobacteria as food and refuge: diversity, chemistry and complex interactions.
|
|
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Source
|
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. 1:515-520
|
|
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Keywords
|
algal herbivores, chemical defence, mesograzers, sea hare, cyanobacteria, ICRS9
|
|
|
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
|
Benthic filamentous cyanobacteria are common in coral reefs, but their ecological roles are poorly known. We combined surveys of cyanobacteria-associated fauna with feeding preference experiments to evaluate the functions of benthic cyanobacteria as food and shelter for marine consumers. Cyanobacterial mats from Guam and Palau yielded
43 invertebrate species. The small sea hare Stylocheilus striatus was abundant on cyanobacterial mats, and only fed on cyanobacteria in multiple-choice experiments. In contrast, feeding experiments with urchins and fishes showed that these macrograzers preferred algae as food and did not consume either of two cyanobacteria offered. Extracts
from the cyanobacterium Lyngbya majuscula stimulated feeding by sea hares but deterred feeding by urchins. Thus, some small coral reef grazers use cyanobacteria that are chemically-defended from macrograzers as food and refuge. Cyanobacteria could indirectly influence local biodiversity by affecting the distribution of cyanobacteria-dwelling organisms.
|
|
|
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|
|
|
|
20.
|
|
ICRS9,
Bertling, M.,
2000
|
|
|
|
|
Coral reef bioerosion in times of crises - the Late Triassic/Early 'Jurassic example
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. 1:283-288
|
Author
|
Bertling, M.
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|
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Year
|
2000
|
|
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Title
|
Coral reef bioerosion in times of crises - the Late Triassic/Early 'Jurassic example
|
|
|
Source
|
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. 1:283-288
|
|
|
Keywords
|
geology, ICRS9, Bioerosion, Jurassic, Triassic, Reefs, Corals
|
|
|
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
|
A study across the major extinction phase of scleractinians during the Late Triassic/Early Jurassic was performed. Samples'from seven localities in Austria, Morocco and Iran were quantitatively evaluated for macroborings. Each locality represents a turbid or clear-water environment before and after the 5 million years of crisis. Norian reefs suffered almost no bioerosion in clear water burin a turbid setting, they were moderately bored with "worms"
dominating over bivalves and cirripeds. Late Rhaetian reefs independently of the environment were slightly bored by the same array of borers. In the Pliensbachian, "worms" still dominated over bivalves and cirripeds, again independent of the facies. The pattern of coral reef macroboring hence remained essentially unchanged across the major end-Triassic extinction phase of corals. There is good evidence for joint evolution of coral borers and their substrate. Borers did not facilitate the Late Triassic reef decline but they did respond to it.
|
|
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|
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21.
|
|
ICRS9,
Nontji, A.,
2000
|
|
|
|
|
Coral reef of Indonesia: Past, present and future.
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. 1:17-27
|
Author
|
Nontji, A.
|
|
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Year
|
2000
|
|
|
Title
|
Coral reef of Indonesia: Past, present and future.
|
|
|
Source
|
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. 1:17-27
|
|
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Keywords
|
anthropogenic impacts, COREMAP, ICRS9, Indonesia, rehabilitation, management program
|
|
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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 geographic setting of Indonesia, situated in the tropics between Asia and Australia, and between the Pacific and the Indian Ocean, has made this archipelago an ideal place for coral reefs to grow. Coral reefs are found along the coast of many of the islands in various formations e.g. fringing reefs, barrier reefs, and atolls. Coral reefs have been
long known to provide various uses for the coastal community, such as for food, building materials, trades, etc. Recent development has confronted the reefs to an increasing threat because of the detrimental impact of human activities, such as from destructive fishing techniques (dynamiting, poisoning, etc), over exploitation of resources, pollution, etc. The total area of coral reefs in Indonesia is estimated roughly about 85,700 km'. Recent surveys indicated that only about 6 % of the Indonesian reefs is still in excellent condition, and the rest are in various stages of destruction. There is a strong need to rehabilitate and manage the coral reefs in proper way so as to maintain their
sustainability. A Coral Reef Rehabilitation and Management Program (COREMAP) was launched in 1998, to respond to this issue. This multi-sectoral program is planned for 15 years (until 2013) and will be executed in ten provinces in Indonesia. The first phase (1998-2001) however, will be executed in four provinces (Riau, South Sulawesi, Papua, and Nusa Tenggara Timur) and financially supported by the World Bank, Asia Development Bank, and AusAID. The major components arc: public awareness, institutional strengthening, community-based management, monitoring, control and surveillance, and coral reef information and training centers.
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- Copies of papers downloaded from ReefBase may be used and reproduced for non-commercial purpose only.
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22.
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ICRS9
Omori, M.,
2000
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Coral reefs and coral reef studies in Japan.
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: 41-42
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Author
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Omori, M.
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Year
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2000
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Title
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Coral reefs and coral reef studies in Japan.
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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: 41-42
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Keywords
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, 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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Japan has a long history of coral reef research. Japan was
even a leading nation in the world in this research at one time.
In June 1934, the Japanese Society for the Promotion of
Scientific Research established the Palao Tropical Biological
Station in Koror Island, Palau, which was then governed by the
Japanese Mandate of the League of Nations. The war
unfortunately stopped all studies there in 1943. In spite of the
short life span of the station, the research activities by Prof. S.
Hatai and 29 young Japanese scientists contributed
significantly to studies on coral reefs. The return of the
Ryukyu Archipelago to Japan in 1972 allowed researchers
access to coral reefs once again. The University of Ryukyus
began research at the Sesoko Marine Science Center. The
Akajima Marine Science Laboratory, which is a small nongovernmental
research station, was established at Akajima
Island in 1988. Scientific research on coral reefs is being
conducted at various institutions in Japan today. Japanese
Coral Reef Society was established in 1997, and is actively
promoting exchange of information and public awareness
through research, training, and publications. The coral reefs in
the Ryukyu Archipelago will be shown by video.
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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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23.
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ICRS9,
Anthony, K.R.N. and P.Larcombe.,
2000
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Coral reefs in turbid waters: sediment-induced stresses in corals and likely mechanisms of adaptation.
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. 1:239-244
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Author
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Anthony, K.R.N. and P.Larcombe.
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Year
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2000
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Title
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Coral reefs in turbid waters: sediment-induced stresses in corals and likely mechanisms of adaptation.
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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. 1:239-244
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Keywords
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sediment, ICRS9, Turbidity, Coral stress,
Physiology, Energetics
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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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Coral reefs close to the shoreline may repeatedly be exposed to high concentrations of suspended sediments and low light levels, but many such reefs display high coral cover, indicating that the corals have become adapted or acclimated to such events. Here, we discuss a set of mechanisms by which corals might adapt or acclimatise to variable sedimentation and turbidity. Specifically, we note the documented links between key physical parameters in turbid habitats (e.g. turbidity and suspended sediment concentration (SSC), light extinction, grain size and composition) and predicted responses of coral photosynthesis, feeding and respiratory/excretory losses. Based on observed temporal patterns in turbidity and sedimentation, we argue that 1) rapid replenishment of energy reserves during periods between sublethal turbidity events, 2) shifts between phototrophic and heterotrophic dependence, and 3) rapid rates of photo-acclimation are likely . mechanisms by which corals maintain a positive energy balance (a proxy of stress or health) on coral reefs in turbid zones.
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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
Zekeria, Z.A. and J.J.Videler,
2000
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Correlation between the abundance of Butterflyfishes
and coral communities in the Southern Red Sea.
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. 1:487-492
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Author
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Zekeria, Z.A. and J.J.Videler
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Year
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2000
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Title
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Correlation between the abundance of Butterflyfishes
and coral communities in the Southern Red Sea.
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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. 1:487-492
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Keywords
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chaetodontidae, Red Sea, butterflyfish, coral cover, 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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Relationships between some substrate parameters and the abundance of butterflyfishes were investigated across seventeen reefs around Massawa and Dahlak in the southern Red Sea. The surveyed reefs had different proportions of live coral cover. Visual censuses of butterflyfishes were conducted along 100 meter belt transects and the nature of the
substrate was investigated using quadrat method. Five chaetodontid species and fifteen scleractinian coral genera were recorded from the study site. Among the butterfyfishes, the abundance of Chaetodon larvatus, C. semi larvatus and C. mesoleucos showed significant correlation with the live coral cover. However, the relationships between coral cover and the abundance of the remaining two species (C. fasciatus and Heniochus intermedius) were not significant. C. larvatus, C. semilarvatus and C. fasciatus are corallivores while C. mesoleucos and H. intermedius feed mainly on non-corailine invertebrates. Substrate rugosity did not correlate with the abundance of the fish species. The results suggest the existence of strong links between corallivorous chaetodontids and the cover of scleractinian corals.
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Online Documents
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25.
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ICRS9
Costa, C.F. and F.D. Amaral,
2000
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Density and size differences of symbiotic
dinoflagellates from five reef-building coral species from Brazil.
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: 159-162
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Author
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Costa, C.F. and F.D. Amaral
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Year
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2000
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Title
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Density and size differences of symbiotic
dinoflagellates from five reef-building coral species from Brazil.
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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: 159-162
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Keywords
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zooxanthellae, Symbiodinium, 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 objective of this study was to compare the density and size of symbiotic dinoflagellates (zooxanthellae) living in five species of
scleractinian coral from Brazil: Agaricia agaricites, Favia gravida, Montastrea cavernosa, Porites asteroides and Siderastrea stellata. Approximately 10 colonies of each species were colleted from Tamandare and Gaibu beaches on the southern coast of
Pernambuco State, Brazil, between August 1997 and April 1998 from depths of 0-4m. Densities of symbiotic algae were
significantly lower in S. stellata than in any of the other species. Symboints of M. cavernosa were significantly larger, and those of F. gravida significantly smaller, than symbionts from any of the other coral species. The results suggest that cell size may be a useful
character in systematic studies of algal symbionts. Since ambient density and cell diameter also vary in a host species-specific
manner in some species, these characters may also be useful in scleractinian coral systematics.
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