FN Archimer Export Format PT J TI Dynamics of phytoplankton communities in eutrophying tropical shrimp ponds affected by vibriosis BT AF LEMONNIER, Hugues LANTOINE, Francois COURTIES, Claude GUILLEBAULT, Delphine NEZAN, Elisabeth CHOMERAT, Nicolas ESCOUBEYROU, Karine GALINIE, Christian BLOCKMANS, Bernard LAUGIER, Thierry AS 1:1;2:2;3:2;4:2,3;5:4;6:4;7:5;8:6;9:6;10:1; FF 1:PDG-RBE-LEADNC;2:;3:;4:;5:PDG-ODE-LITTORAL-LERBO;6:PDG-ODE-LITTORAL-LERBO;7:;8:;9:;10:PDG-RBE-LEADNC; C1 IFREMER LEAD, BP 2059, Noumea 98846, New Caledonia. Univ Paris 06, Sorbonne Univ, LECOB, Observ Oceanol,UMR 8222, F-66650 Banyuls Sur Mer, France. Microbia Environm, Observ Oceanol Banyuls, F-66650 Banyuls Sur Mer, France. IFREMER, LER BO, Stn Biol Marine, Pl Croix,BP 40537, F-29185 Concarneau, France. Univ Paris 06, Sorbonne Univ, MRS, Observ Oceanol, Plate Forme Bio2Mar, F-66650 Banyuls Sur Mer, France. ORPHELINAT, GFA, 1 Rue Dame Lechanteur, Noumea 98800, New Caledonia. C2 IFREMER, FRANCE UNIV PARIS 06, FRANCE MICROBIA ENVIRONM, FRANCE IFREMER, FRANCE UNIV PARIS 06, FRANCE GFA, FRANCE SI SAINT VINCENT CONCARNEAU SE PDG-RBE-LEADNC PDG-ODE-LITTORAL-LERBO IN WOS Ifremer jusqu'en 2018 copubli-france copubli-univ-france IF 3.146 TC 15 UR https://archimer.ifremer.fr/doc/00343/45411/44986.pdf LA English DT Article DE ;Tropical aquaculture pond;Litopenaeus stylirostris;Vibriosis;Eutrophication;Phytoplankton;Harmful algae AB Tropical shrimp aquaculture systems in New Caledonia regularly face major crises resulting from outbreaks of Vibrio infections. Ponds are highly dynamic and challenging environments and display a wide range of trophic conditions. In farms affected by vibriosis, phytoplankton biomass and composition are highly variable. These conditions may promote the development of harmful algae increasing shrimp susceptibility to bacterial infections. Phytoplankton compartment before and during mortality outbreaks was monitored at a shrimp farm that has been regularly and highly impacted by these diseases. Combining information from flow cytometry, microscopy, pigment and phylogenetic analysis, the presence of Picocyanobacteria, Prasinophyceae and Diatomophyceae were detected as dominant phytoplankton groups and Cryptophyceae, Prymnesiophyceae and Dinophyceae as minor components. At the onset of the first shrimp mortalities, Bacillariophyceae increased while Cyanobacteria, Prymnesiophyceae and Dinophyceae decreased in the water column, followed by proliferation of Prasinophyceae. Several taxa were identified as potential harmful algae (Cyanobacteria, dinoflagellates and Phaeocystis). PY 2016 PD SEP SO Marine Pollution Bulletin SN 0025-326X PU Pergamon-elsevier Science Ltd VL 110 IS 1 UT 000382339900061 BP 449 EP 459 DI 10.1016/j.marpolbul.2016.06.015 ID 45411 ER EF