Macrobenthic communities of the Vellar Estuary in the Bay of Bengal in Tamil-Nadu in South India

Chertoprud, M.V.; Chertoprud, E.S.; Saravanakumar, А.; Thangaradjou, T.; Mazei, Y.A.

Авторы: Chertoprud M.V., Chertoprud E.S., Saravanakumar А., Thangaradjou T., Mazei Yu A.
Журнал: Oceanology
Том: 53
Номер: 2
Год издания: 2013
Издательство: Maik Nauka/Interperiodica Publishing
Местоположение издательства: Russian Federation
Первая страница: 200
Последняя страница: 210
DOI: 10.1134/S0001437013010049
Аннотация: The macrobenthic fauna and communities of the Vellar Estuary located at the southeast cost of India (11°30′ N, 79°45′ E) and the adjacent marine and river habitats are described on the basis of original data (70 samples over 10 transects). The fauna consists of 115 macrobenthic species and 79 species in estuarine habitats. We described 14 types of macrobenthic communities with different compositions of the dominant species. The leading ecological factors of the distribution of the communities are the salinity, depth, and bottom type. The Vellar estuary consists of two longitudinal zones of macrobenthos. The polyhalinic area is populated by the marine species, but it is related not to a salinity decrease but to the protection from waves and silt on the bottom in this area. The polyhalinic communities are most abundant in terms of the biomass and species richness. The mesohalinic area is inhabited by brackish water species and communities with low abundance. The sublittoral estuarine area is dominated by filterfeeders—the bivalves Crassostrea madrasensis, Meretrix casta, Modiolus metcalfei, and Scapharca inaequivalves—and the littoral zone is dominated by the gastropods Cerithidea cingulata, some crabs, and polychaetes. The ecosystem function of the Vellar estuary can be defined as a filter for the fine organic particles transported by the river.
Добавил в систему: Чертопруд Михаил Витальевич

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Macrobenthic communities of the Vellar Estuary in the Bay of Bengal in Tamil-Nadu in South Indiaстатья

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