Spatio-temporal dynamics and biotic substrate preferences of benthic dinoflagellates in the Lesser Antilles,Caribbean sea |
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| Institution: | 1. Institut de Systématique, Évolution, Biodiversité, ISYEB, UMR 7205, Université des Antilles. Équipe Biologie de la mangrove. UFR SEN. 97100 Pointe-à-Pitre. France;2. Sorbonne Université, CNRS, Laboratoire d’Océanographie de Villefranche, LOV, F-06230 Villefranche-sur-Mer, France;1. National Oceanic and Atmospheric Administration, National Ocean Service, National Centers for Coastal Ocean Science, Center for Coastal Fisheries and Habitat Research, 101 Pivers Island Road, Beaufort, NC 28516, USA;2. Program Sains Laut, Pusat Pengajian Sains Sekitaran dan Sumber Alam, Fakulti Sains dan Teknologi, Universiti Kebangsaan Malaysia, 43600 Bangi Selangor, Malaysia;3. Institute of Biodiversity and Environmental Conservation, Universiti Malyasia Sarawak, 94300 Kota Samarahan, Sarawak, Malaysia;4. Aquatic Sciences Program, Faculty of Resource Science and Technology, Universiti Malaysia Sarawak, 94300 Kota Samarahan, Sarawak, Malaysia;5. IOC Science and Communication Centre on Harmful Algae, Department of Phycology and Mycology, Øster Farimagsgade 2D, DK-1353 Copenhagen K, Denmark;6. Institute of Oceanography and Maritime Studies, Kulliyyah of Science, International Islamic University Malaysia, Jalan Sultan Ahmad Shah, Bandar Indera Mahkota, 25200 Kuantan, Pahang, Malaysia;7. Department of Botany, National Museum of Natural History, Smithsonian Institution, Washington, DC 20560, USA;1. Red Sea Research Center, Division of Biological and Environmental Science and Engineering, King Abdullah University of Science and Technology, Thuwal, Jeddah, 23955, Kingdom of Saudi Arabia;2. Université Côte d’Azur, CNRS, FRE 3729 ECOMERS, Parc Valrose 28, Avenue Valrose, 06108 Nice, France;3. Biology Department, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA;4. State Key Laboratory in Marine Pollution, Research Centre for the Oceans and Human Health, City University of Hong Kong, Hong Kong;5. NOAA/NOS, Marine Biotoxins Program, 219 Fort Johnson Road, Charleston, SC 29412, USA;6. Key Laboratory of Environment Change and Resources Use in Beibu Gulf, Ministry of Education, Guangxi Teachers Education University, 530001, China;1. Bachok Marine Research Station, Institute of Ocean and Earth Sciences, University of Malaya, 16310 Bachok, Kelantan, Malaysia;2. Institute of Biodiversity and Environmental Conservation, Universiti Malaysia Sarawak, 94300 Kota Samarahan, Sarawak, Malaysia;3. Tunku Abdul Rahman University College, Johor Branch, 85000 Segamat, Johor, Malaysia;4. Faculty of Resource Science and Technology, Universiti Malaysia Sarawak, 94300 Kota Samarahan, Sarawak, Malaysia;5. Cawthron Institute, New Zealand;6. Department of Bioinformatics, Biocenter, University of Wuerzburg, D-97074 Wuerzburg, Germany;7. National Oceanic and Atmospheric Administration, National Ocean Service, Centers for Coastal Fisheries and Habitat Research, 101 Pivers Island Road, Beaufort, NC 28516, USA;8. JHT, Inc., Orlando, FL, USA;9. Third Institute of Oceanography, SOA, 178 Daxue Road, Xiamen 361005, China;10. Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia;1. Institute of Ocean and Earth Sciences, University of Malaya, Bachok 16310 Kelantan, Malaysia;2. Faculty of Science and Technology, Universiti Kebangasaan Malaysia, 43600 Bangi, Selangor, Malaysia;3. Third Institute of Oceanography, Xiamen, 361005, China;4. National Oceanic and Atmospheric Administration, National Ocean Service, National Centers for Coastal Ocean Science, Beaufort Laboratory, 101 Pivers Island Road, Beaufort, NC 28516, USA;5. Ocean Tester LLC, 381 Gillikin Road, Beaufort, NC 28516, USA;1. Bachok Marine Research Station, Institute of Ocean and Earth Sciences, University of Malaysia, Bachok, 16310, Kelantan, Malaysia;2. Faculty of Applied Sciences, Tunku Abdul Rahman University College, Johor Branch Campus, 85000, Segamat, Johor, Malaysia;3. Universiti Malaysia Sarawak, Kota Samarahan 94300, Sarawak, Malaysia;4. Third Institute of Oceanography, Ministry of Natural Resources, Xiamen, 361005, China |
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| Abstract: | Epibenthic dinoflagellates were monitored monthly over an 18 month period in Guadeloupe and Martinique (Lesser Antilles, Caribbean Sea). These islands are located in the second most affected ciguatera fish poisoning (CFP) region of the world. Guadeloupe presented five times more total epibenthic dinoflagellates and two times less abundant Gambierdiscus spp. compared to Martinique, although the area of frequent CFP outbreaks covers Guadeloupe and not Martinique. Results did not show any clear seasonal variations of benthic dinoflagellates abundances. Temperature and salinity were not driving parameters in the evolution of total benthic dinoflagellate abundances. Preferential associations were found between macrophyte species and epibenthic dinoflagellates. The Phaeophyceae Dictyota spp. hosted the highest abundances of total epibenthic dinoflagellates, composed mainly of Ostrepsis and Prorocentrum genera. The seagrass Halophila stipulacea hosted the highest abundances of Gambierdiscus spp. and Sinophysis spp. whilst the highest abundance of Coolia was determined on Galaxaura spp. The pelagic Sargassum spp. hosted the lowest abundances of benthic dinoflagellates including the genus Gambierdiscus. |
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| Keywords: | Benthic dinoflagellate Ciguatera Caribbean Sea Guadeloupe Martinique |
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