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- Title
The phenomenon of bloom development of the invasive potentially toxic dinoflagellate Gonyaulax polygramma in deep water areas of the Caspian Sea.
- Authors
Pautova, L.; Kravchishina, M.; Silkin, V.; Lisitzin, A.
- Abstract
This work presents the first data on the occurrence of the invasive, potentially toxic dinoflagellate Gonyaulax polygramma in the composition of plankton phytocenoses in the Caspian Sea. It was revealed that G. polygramma plays the key role in the quantitative characteristics of summer plankton phytocenoses and its bloom during the summer seasons of 2010 and 2013 was comparable in biomass (15-16 g/m) to a 'red tide.' In addition, the correlation between the G. polygramma bloom and the wind upwelling system in the eastern mid-Caspian region was established. For the first time, it is suggested that 'bloom' of G. polygramma can also occur in deep-water halistatic areas (Derbent depression), remote from the upwelling system.
- Subjects
CASPIAN Sea; DINOFLAGELLATES; ALEXANDRIUM; PLANKTON; RED tide
- Publication
Doklady Earth Sciences, 2017, Vol 474, Issue 2, p657
- ISSN
1028-334X
- Publication type
Article
- DOI
10.1134/S1028334X17060071