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Authors: Маккавеева, Е. Б.
Title: Морские клещи в донных биоценозах у северного побережья Кавказа
Other Titles: Saltwater mites in bottom biocenoses by the northern coast of the Caucasus
Issue Date: 1965
Publisher: Наукова думка
Language (ISO): Russian
Series/Report no.: Биология моря
Pages: 94-99
Abstract: Little is known about marine mites dwelling in bottom biocenoses of the Black Sea; the sporadic studies were carried out in the Bulgarian sector of the sea in the near-shore strip down to the depth of 40 m (Chichkoff, 1907), in the vicinity of Sevastopol (Viets,1928; Makkaveyeva, 1961) and near the coast of Romania (Motas et Soares, 1940). The biocenosis of Cystoseira growing in Sevastopol seawater area was the only site in which seasonal changes in the life cycle of Black sea mites were observed (Makkaveyeva, Ph.D.Thesis). The recent investigation was conducted using the material collected in the Black Sea near the Caucasian coast in October 1958 and in June 1962. It was found that some seabed substrates such as phaseoline and mussel-bed silts, muddy shell debris, the muddy sand and shell debris with eelgrass growth give shelter to 7 species of saltwater mites among which Halacarus basteri var. affinis dominate. At the depths from 37 to 150 m H. basteri var. affinis was the most abundant species and within the depth range of 8 - 37 m – and P. punctatum. Species which were found on the bottom grounds near the Caucasus were also described for the coastal zone of Bulgaria (Chichkoff, 1907). Fauna of saltwater mites which inhabit 100 – 150 m depths is represented by two key species – H. basteri var. affinis and Copidognathus gracilipes; they are among some few organisms that can survive in the extreme depth of the Black Sea.
Appears in Collections:Бентос / Benthos

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