Interannual changes in the biomass of the Black Sea Gelatinous zooplankton

Alexander V. Kovalev, Sergey A. Piontkovski

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35 Citations (Scopus)

Abstract

The 15 year changes in the total gelatinous biomass consist of a general trend to increase, from 250 g m-2 in 1980 to 2500 g m-2 in 1995, and fluctuations with a period of ~4 years performed against the background of this trend in the upper 150 m layer. Different species occupying distinct trophic niches form these peaks. When represented as the percentage of the total zooplankton biomass, Aurelia aurita and Mnemiopsis leidyi exhibit the contra-phase fluctuations where a sharp increase in M. leidyi is accompanied by a decrease in the A. aurita biomass.

Original languageEnglish
Pages (from-to)1377-1385
Number of pages9
JournalJournal of Plankton Research
Volume20
Issue number7
Publication statusPublished - Jul 1998

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ASJC Scopus subject areas

  • Aquatic Science

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