Macrozoobentos on the shelf of the Kronotsky Gulf
https://doi.org/10.15853/2072-8212.2021.61.59-66
Abstract
Data about the taxonomic composition and spatial distribution of bottom invertebrates of Kronotsky Gulf were obtained on results of bottom grab survey carried in September 2002. Analysis of the samples revealed 72 species of Polychaeta, 21 species of molluscs (Bivalvia), 17 species of crustaceans (mostly Amphipoda), 2 species of echinodermata (Echinoidea and Ophiuroidea). The average biomass in the depth range 25–200 m was 242±116 g/m2 where average density was 306±51 organisms/m2. The most high values of biomass were observed in the outlet parts of the rivers Zhupanova, Semyachik, Kronotskaya, where contribution of sea dollar Echinarachnius parma communities was principal. Despite fluctuations of the biomass of particular taxons during 50 years, the total biomass keeps stable (206–242 g/m2). Like in 1949 E. parma plays the main role in most bottom communities.
About the Authors
E. A. Arkhipova
Kamchatka Branch of Russian Research Institute of Fisheries and Oceanography (“KamchatNIRO”)
Russian Federation
Russian Federation
Leading Scientist, Ph. D. (Biology)
683000 Petropavlovsk-Kamchatsky, Naberezhnaya, 18
Ph.: +7 (4152) 412 701
A. I. Buyanovsky
Russian Federal Research Institute of Fisheries and Oceanography
Russian Federation
Russian Federation
Leading Scientist, Ph. D. (Biology)
107140 Moscow, V. Krasnoselskaya, 17
Ph.: +7 499 264 8701
D. D. Danilin
Kamchatka Division of Pacific Geographical Institute, Far-Eastern Branch, Russian Academy of Sciences
Russian Federation
Russian Federation
Director, Dr. of Science (Biology)
683000 Petropavlovsk-Kamchatskу, Partizanskaya, 6
Ph.: +7 (4152) 412 464
S. G. Korostelev
Kamchatka Division of Pacific Geographical Institute, Far-Eastern Branch, Russian Academy of Sciences
Russian Federation
Russian Federation
Researcher, Ph. D. (Biology)
683000 Petropavlovsk-Kamchatskу, Partizanskaya, 6
Ph.: +7 (4152) 412 464
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Review
For citations:
Arkhipova E.A., Buyanovsky A.I., Danilin D.D., Korostelev S.G. Macrozoobentos on the shelf of the Kronotsky Gulf. The researches of the aquatic biological resources of Kamchatka and the North-West Part of the Pacific Ocean. 2021;(61):59-66. (In Russ.) https://doi.org/10.15853/2072-8212.2021.61.59-66
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