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水生生物学期刊

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ISSN 打印: 0018-8166

ISSN 在线: 1943-5991

SJR: 0.221 SNIP: 0.469 CiteScore™:: 0.9 H-Index: 12

Indexed in

Spatial Distribution of Plankton Ciliata in Lake Baikal in Spring under Conditions of the Open Water

卷 47, 册 1, 2011, pp. 41-50
DOI: 10.1615/HydrobJ.v47.i1.40
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摘要

The composition of Ciliata, quantitative indices of their development, and their distribution over the area of water of Lake Baikal were investigated in 2007−2008 characterized by intensive development of phytoplankton. It has been found that during the period of homothermy in the pelagic zone of the lake, the distribution of Ciliata was non-uniform, which was conditioned by water stirring and by a high speed of water flow in the near-slope zone registered in springtime. At present the community of Ciliata is polydominant with a predominance of Oligotrichia. It is less abundant (500−7600 thousand cells/m3) than that registered in 1926−1928, when it was characterized by a predominance of Marituja pelagica (Hymenostomatia).

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