11th ICRS Abstract book - Nova Southeastern University

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14.436 Zoanthid Connectivity At Different Spatial Scales Alberto ACOSTA* 1 , Natalia MANRIQUE 2 , Maria VARELA 2 , Manuel RUIZ 1 1 Biology, Pontificia Universidad Javeriana, Bogotá, Colombia, 2 Pontificia Universidad Javeriana, Bogotá, Colombia Successful conservation, management and restoration strategies require knowledge about the spatial scale of coral reefs connectivity. This is particularly important for species that share similar life histories, and where dispersal is greatly influenced by physical factors (e.g. currents and rivers). For these reasons the gene flow among four populations of the zoantharian Palythoa caribaeorum was estimated at local (~100Km) and regional scale (~700Km). The study was conducted in two regions, oceanic (San Andres and Providencia locations, 94Km apart) and continental island (Grande and Fuerte, influenced by large rivers) locations, in the Colombian Caribbean. These regions (aprox. 715Km apart) are located within the Panama-Colombian gyre sub-region, and are considered to be largely isolated from the rest of the eastern and western Caribbean. ITS2-rDNA sequences (138pb) were used to assess diversity, genetic structure, isolation by distance, and connectivity. The population′s results indicated high genetic diversity (ΠJC=0.0345), absence of genetic structure and no isolation by distance. However, slight differentiation among San Andres and other populations was detected (FST=0.0626; p
14.441 Population Genetics Of Spotted Seahorses (hippocampus Kuda) in Thai Waters Thadsin PANITHANARAK* 1 , Ratima KARUWANCHAROEN 1 , Uthairat NA- NAKORN 2 , Thuy NGUYEN 3 1 Institute of Marine Science, Burapha University, Chonburi, Thailand, 2 Department of Aquaculture, Faculty of Fisheries, Kasetsart University, Bangkok, Thailand, 3 Network of Aquaculture Centers in Asia-Pacific, Bangkok, Thailand Population genetics of spotted seahorse (Hippocampus kuda) was studied in order to investigate genetic diversity, level of genetic differentiation and evolution of the species in Thai waters derived from the analysis of mtDNA control region. The study was also carried out to identify the populations of Thai waters for effective conservation and management of this vulnerable coral reef species. The spotted seahorses were collected from four populations of Eastern and Western Coast of the Gulf of Thailand and one population of the Andaman Sea (101 individuals collected). Of all mtDNA sequences analyzed (353 bp), seven haplotypes were found. Five haplotypes were observed and shared between Eastern and Western Coast of the Gulf of Thailand while the others were found only in the Andaman Sea with 13-17 nucleotide differences compared to the formers. Genetic differentiation was observed in pairs of their populations (FST P-value < 0.0001) in consistent with high percentage of genetic variance observed between two groups of the populations (95.56%) using the analysis of molecular variance (AMOVA). Neighbour-joining trees showing relationship among seahorses from Thai waters and other regions suggested that populations of the Gulf of Thailand and the Andaman Sea were phylogenetically different and placed in separated evolutionary groups. The populations of the Gulf of Thailand had a close relationship with populations of the Pacific Ocean (Philippines, Taiwan and Fiji, 84% bootstrap support). In contrast, the population of the Andaman Sea was grouped with populations from the Indian Ocean and closely related with populations of Indonesia. All results indicated that populations from the Gulf of Thailand and the Andaman Sea should be treated as separate conservation units. However, more specimens would be needed to confirm the differentiation between the populations, especially, the specimens from the Andaman Sea. 14.442 Population Genetic Study Of acropora Digitifera Using Microsatellite Markers in Sekisei Reef Yuichi NAKAJIMA* 1 , Akira NISHIKAWA 2 , Kazuhiko SAKAI 1 1 2 University of the Ryukyus, Motobu-cho, Japan, James Cook University, Townsville, Australia For understanding maintenance and recovery mechanism of coral populations, it is essential to elucidate the genetic connectivity among the local populations. In Sekisei Reef that is the largest coral reef in Japan, K. Nadaoka (in a report by Ministry of Environment of Japan) estimated dispersal range of coral larvae from several local populations by a computer simulation of seawater flow, and suggested that larval dispersal of broadcast spawning corals may be limited among local populations in Sekisei Reef. We examined the possibility suggested by K. Nadaoka by estimating gene flow of Acropora digitifera among local populations in Sekisei Reef. We selected six sites in Sekisei Reef, and collected small flagments of A. digitifera at each site. Distances between sites were ranged from 6 to 25km. We used six microsatellite markers for analyzing genetic difference among colonies. Our results indicated that genetic differentiation of A. digitifera populations was very small in Sekisei Reef. FST values among sites were ranged from 0.05 to 0.012. These values are much lower than those reported for Seriatopora hystrix in Western Australia using microsatellite markers; FST values were ranged from 0.045 to 0.187 in 3 to 23km spatial scales in S. hystrix. This difference may be due to difference in mode of reproduction between the two species; A. digitifera is a broadcast spawning coral and S. hystrix is a planula brooding coral. If disturbance of coral communities occur patchily in several km spatial scale, recovery of broadcast spawning coral populations such as A. digitifera at disturbed reefs will be faster than that of brooding coral populations such as S. hystrix. Poster Mini-Symposium 14: Reef Connectivity 14.443 Coral Recruits To Settlement Plates At Remote Locations Throughout The U.s. Pacific Jean KENYON* 1 1 Coral Reef Ecosystem Division, NOAA Pacific Islands Fisheries Science Center, Honolulu, HI The world-wide decline of coral reefs necessitates improved understanding of their intrinsic capabilities for replenishment. The capacity of scleractinian corals to maintain or renew genetically diverse populations through sexual reproduction is a key attribute of reef resilience. Documenting the density, taxon, and size of coral recruits to settlement plates during known time intervals is a widely used method of quantifying coral recruitment. Four deployments of arrays of terra cotta settlement plates were made at six locations in the Northwestern Hawaiian Islands at annual or biennial intervals between 2001 and 2006. Similar arrays were deployed at four additional locations in the U.S. Pacific (Baker, Rose Atoll, Palmyra, Kingman) for two consecutive, two-year periods, and a single deployment of two years’ duration was made at Jarvis and at Swains, American Samoa. Most locations with multiple deployments showed substantial temporal variability in the density of coral recruits. In the Northwestern Hawaiian Islands, lowest average recruitment rates (9.0-11.3 recruits/m2/yr) were found at Midway and Pearl and Hermes Atoll, respectively, and highest average rates were found at Maro (332.2 recruits/m2/yr). The taxonomic composition of the recruits (96.2% Pocilloporidae, 2.7% Acroporidae, 1.1% Poritidae) did not reflect the composition of mature coral communities, where the genus Porites dominates in all locations. No recruits were found at Rose Atoll or at Swains, though arrays were emplaced in coral-rich habitats. Annual rates at the other four nearequatorial locations ranged from 3.3 to 4.7 recruits/m2/yr. The taxonomic composition of the recruits similarly was disharmonic with the composition of the mature coral communities at these locations. The largest recruits were found at Baker (Pocillopora, 5.5 cm) and Kingman (Acropora, 5.2 cm), but most recruits measured less than 2.5 mm. These results reveal the need for further study of coral reproductive and recruitment processes in these remote areas, where little data exist. 14.444 Variation in Spatial And Temporal Coral Recruitment Patterns On Fijian Reefs Norman QUINN* 1 , Barbara KOJIS 2 1 St Croix East End Marine Park, Frederiksted, Virgin Islands (U.S.), 2 University of the Virgin Islands, St Thomas, Virgin Islands (U.S.) Community structure and recruitment patterns of scleractinian and milleporan corals were investigated at Suva Harbour, Great Astrolabe Reef, and Taveuni in Fiji. Seventy five coral species were recorded surveys with percentage coral cover ranging from 8% in polluted Suva Harbour to 26% at Great Astrolabe Reef. Acroporids were the most dominant genus. The density of coral recruits ranged from a mean of 20 to 1845 recruits m2. The lowest recruitment rate occurred at Suva Harbour while the highest recruitment occurred on a reef periodically disturbed by high rates of sedimentation. Larval settlement was >7 times greater in the “summer” than the “winter”. The recruitment rate was greater than rate in the Mariana Islands in the western Pacific, but lower than the highest settlement rates observed on the Great Barrier Reef. The highest recorded recruitment rate in the Caribbean Sea is less than 1/3 of the settlement observed in the best site in Fiji. The greatest variation in recruitment rates between sites occurred within the Acroporidae. Recruits of the Pocilloporidae, Poritidae, Faviidae and other species preferred settling in deeper water while Acroporidae preferred settling in shallow waters. The high acroporid recruitment rate was probably related to the high frequency of occurrence of the family. The high levels of recruitment of Acropora planulae in Fiji contrasts with the paucity of Acropora recruitment in the Caribbean. This high recruitment rate of an important shallow water coral family results in a greater resilience to natural disasters. 374
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Contents Sponsors..................
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Sponsors 11th ICRS Co-Sponsors Barr
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Mini-Symposium Co-Chairs Mini-Sympo
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Mini-Symposium 23: Reef Management
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Plenary Lessons from the Past Malco
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Plenary Drivers of Coral Infectious
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1-1 The R/v Alpha Helix Symbios Exp
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1-9 Coral Community Change Over A C
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1-17 Holocene Reef Development At T
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1-25 Paleoecology Of Mio-Pliocene F
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Oral Mini-Symposium 2: Biotic Respo
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Oral Mini-Symposium 2: Biotic Respo
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Oral Mini-Symposium 3: Calcificatio
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Oral Mini-Symposium 3: Calcificatio
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3-17 The Effect Of Depressed Aragon
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Oral Mini-Symposium 4: Coral Reef O
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Oral Mini-Symposium 5: Functional B
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Oral Mini-Symposium 6: Ecological a
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7-5 Coral Yellow Band Disease; Curr
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7-13 Black Band Disease (BBD): A Po
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7-21 Coral Host Processes Associate
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7-29 Can the Presence of Disease Si
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7-37 Developing An Expert System Fo
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7-45 The Effect Of Sediment And Hea
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8-1 From Bacterial Bleaching To The
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8-9 Milkfish Feces Share Common Bac
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8-17 Bacteria Associated With Symbi
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8-26 Photosynthetic Microorganisms
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8-35 Tissue Loss And Tropical Storm
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9-5 Evaluation Of Biotic And Abioti
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9-13 Is Allelopathy Involved in Cor
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Oral Mini-Symposium 10: Ecological
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10-41 Substrate Effects On Reef Fis
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Oral Mini-Symposium 11: From Molecu
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12-5 The Contribution Of Heterotrop
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12-14 Ocean Dynamics Drive Coral Re
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12-23 Coral Reef Resilience To Chro
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13-1 Prioritizing Conservation Hots
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Oral Mini-Symposium 13: Evolution a
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14-6 Modelling Coral Larval Dispers
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14-14 Environmentally-Mediated Vari
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14-21 Same, Same, But Different: Co
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14-29 Complex Patterns of Genetic C
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14-37 Genetic Connectivity in Phili
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14-45 Range-Wide Population Genetic
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14-55 The Importance Of Behavior On
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Oral Mini-Symposium 15: Progress in
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Oral Mini-Symposium 15: Progress in
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Oral Mini-Symposium 16: Ecosystem A
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Oral Mini-Symposium 17: Emerging Te
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18-5 Coral Reef Habitat Around New
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18-13 Response Of High Latitude Her
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18-21 Socio-Economic Monitoring (So
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18-29 Extent And Timing Of Disturba
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18-37 It Depends On Where You Look:
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18-45 New Insights Into The Exposur
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Oral Mini-Symposium 19: Biogeochemi
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Oral Mini-Symposium 20: Modeling Co
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Oral Mini-Symposium 20: Modeling Co
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21-9 Integrated Economic Valuation
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21-19 Towards Local Fishers Partici
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21-27 The Political Aspects Of Resi
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21-37 Exploitation And Trade Of Cor
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22-1 Complex Ecological Effects Of
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22-9 Comparative Evaluation Of Reef
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22-17 Managing Fishing Gear To Enco
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22-25 Estimating Harvest Pressure O
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22-33 Are The Coral Reef Finfish Fi
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22-41 Using Length-Frequency Data T
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22-50 Changes in Ecosystem Structur
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23-5 Measuring Success in Managing
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23-13 Some Hints About The Impacts
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23-21 Fishery Management For Artisa
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23-29 “To Live With The Sea”; D
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23-37 Challenges Facing An Mpa Mana
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23-45 Assessing Global Coral Reef M
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23-53 Developing A Model For Ecosys
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23-61 Mitigating The Effects Of Cor
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23-69 Restore Or Not To Restore? Vl
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24-1 Fates Of Restored Acropora Pal
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24-9 Sponge-Mediated Coral Reef Res
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24-17 Coral Community Restorations
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24-25 Development Of A Coral Nurser
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24-33 Transplantation of Porites lu
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24-41 Scleractinian Coral Relocatio
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24-50 Gametogenesis in Cultured Ver
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Oral Mini-Symposium 25: Predicting
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Oral Mini-Symposium 26: Biodiversit
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26-54 Gene Genealogies Reveal Phylo
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Poster Session
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1.13 Depth-Related Patterns of Infa
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1.20 Grain Size And Sedimentary Con
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1.3 Environmental Effects On Back-R
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Poster Mini-Symposium 2: Biotic Res
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Poster Mini-Symposium 3: Calcificat
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Poster Mini-Symposium 4: Coral Reef
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Poster Mini-Symposium 5: Functional
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Poster Mini-Symposium 6: Ecological
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7.162 Disease Ecology And Local Pat
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7.170 Coralline Algal Disease in Th
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7.179 Physiological Effects Of Aspe
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7.187 Characterizing Surface Microo
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7.195 How Quickly Does gorgonia Ven
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7.203 Spatial and temporal variabil
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8.210 Quorum Sensing Inhibitory Act
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8.218 Bacterial Communities Associa
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8.226 Bacterial Growth On Coral Muc
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Page 383 and 384: 12.413 Spatial Patterns Of Stony Co
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Page 401 and 402: 14.483 Influences Of Wind-Wave Expo
Page 403 and 404: 14.491 Distributions And Diversity
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18.641 The Status Of Coral Reefs in
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18.649 The Effects of Increased Sea
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18.658 “Changing Times, Changing
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18.666 Assessing Land Based Inputs
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18.674 Monitoring Of Coral Recovery
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18.682 Seasonal Investigation On St
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18.690 Assessment Of The Coral Reef
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18.698 Distribution Of Seagrasses i
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18.706 Coral Reef Monitoring in the
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18.714 Pacific-Wide Status Of The R
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18.722 Quantitative Underwater Ecol
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18.730 Community Structure Of Reef
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18.738 Morphological Variation In T
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18.746 Decade-Long (1998-2007) Tren
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18.755 Coral Community Composition
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18.763 Changes in Coral Reef Ecosys
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18.771 Bathymetric Distribution Of
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Poster Mini-Symposium 19: Biogeoche
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Poster Mini-Symposium 20: Modeling
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21.807 The Recreational Value Of Co
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21.815 Dilemma in Coral Conservatio
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22.821 Estimating Populations Of Tw
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22.829 Commercial Topshell, trochus
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22.837 Trajectories Of Ecosystem Ch
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22.845 Ornamental Fish Trade in The
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22.854 Short-Term Recovery Of Explo
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22.863 Marine Protected Areas: Boon
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22.871 Rotary Time-Lapse Photograph
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22.879 Assessing And Mapping The Di
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22.887 Spatial Variations in Elemen
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23.1004 Coral Reef Conservation Cam
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23.1014 Second And Third Order Mana
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23.1023 Why do Divers Dive Where Th
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23.1031 The Colonial Tunicate tridi
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23.1039 Effectiveness Of A Small Mp
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23.893 Man Made Stress Reliever? An
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23.901 Reef Monitoring Project For
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23.909 Patterns Of Spatial Variabil
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23.917 Culture And Updated Traditio
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23.925 Scientific Monitoring And Cu
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23.934 Characterizing Local Stakeho
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23.942 Challenges in Coral Reef Man
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23.951 Coral Reef-Based Tourism And
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23.959 Marine Protected Area Report
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23.967 Reef Watch Monitoring And Ho
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23.975 A Comparison Of The Permanen
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23.984 Damselfish Embryo Assay: Fie
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23.992 The Decline Of Coral Reef Co
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24.1043 Characteristics Of Seagrass
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24.1051 Mass Culture Of acropora Co
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24.1059 Identifying Sediment-Tolera
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24.1067 Growth Of Newly Settled Ree
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24.1076 Herbivore Effects On Coral
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24.1084 Coral Reefs Conservation Pr
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24.1092 Lessons Learned On Demonstr
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24.1100 Proceedings in Shipgroundin
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24.1108 Restoring An Artificial "En
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24.1116 A Newly Established Coral R
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24.1124 Is The Scale Of Your Coral
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Poster Mini-Symposium 25: Predictin
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Memo ..............................
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Authors INDEX Author Session Page A
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