Composition and dynamics of the Black Sea benthopelagic plankton and its contribution to the near-shore plankton communities

At a shallow (7 m) near-shore sampling site in the Black Sea we analyzed composition, abundance, and biomass of benthopelagic organisms and the contribution these animals make to the total plankton. The site was monitored across several years (1996-2001; 2006-2007) whilst for 1999-2000 the seasonal...

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Bibliographic Details
Published in:PloS one 2014-06, Vol.9 (6), p.e99595-e99595
Main Authors: Vereshchaka, Alexander L, Anokhina, Ludmila L
Format: Article
Language:English
Subjects:
Abundance
Amphipoda - physiology
Animal Distribution - physiology
Animals
Biology and Life Sciences
Biomass
Black Sea
Communities
Coral reefs
Crustacea
Crustaceans
Decapoda (Crustacea) - physiology
Earth Sciences
Ecology and Environmental Sciences
Ecosystem
Ecosystem biology
Ecosystems
Fauna
Laboratories
Night
Oil spills
Photoperiod
Plankton
Population biology
Population Dynamics
Russia
Seasonal variations
Seasons
Studies
Taxa
Zooplankton
Zooplankton - physiology
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Summary:At a shallow (7 m) near-shore sampling site in the Black Sea we analyzed composition, abundance, and biomass of benthopelagic organisms and the contribution these animals make to the total plankton. The site was monitored across several years (1996-2001; 2006-2007) whilst for 1999-2000 the seasonal variations were analysed. A total of 321 samples from Golubaja Bay near Novorossiysk (44°34'31.04″ N, 37°58'45.11″ E) in 1996-2007 were taken with a Judey net. The benthopelagic fauna was represented by 69 taxa, a diversity comparable to similar shelf areas. The benthopelagic component played an important role in near-shore plankton communities in the Black Sea accounting for 50% of the total zooplankton biomass at night during all seasons. Abundance and biomass of the benthopelagic animals showed seasonal fluctuations, the highest biomass being recorded during winter (>75% of the total zooplankton biomass) and early spring due to large amphipods, whilst the highest abundances occur during late summer because of numerous young stages of various taxa. Amphipods, mysids, and decapods are the main contributors to the plankton biomass and abundances. Both night and daytime samples are strongly recommended for the adequate description of the near-shore plankton communities.
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0099595