Abstract

The results of a study of phytoplankton biomass in different regions of Lake Baikal according to data from 15 expeditions from 1994 to 2013 are presented in this paper. The spatial distribution and interannual dynamics of biomass of phytoplankton in all three basins of the lake are analyzed. The general biomass of phytoplankton during late summer is not high. The multiyear mean phytoplankton biomass equals 169 ± 5 mg/m³ for the open waters of the lake. It is distributed relatively uniformly around southern Baikal. There are higher multiyear mean values along the eastern shore in the Middle and Northern Baikal. The late summer phytoplankton biomass in southern and middle basins does not differ. The mean multiyear biomass of phytoplankton of the northern basin is accurately lower than the one for the two others. No increase in biomass for any region of the lake is demonstrated. The relations of the general biomass of phytoplankton with water temperatures are very slight.

中文翻译：

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夏末贝加尔湖浮游植物的时空变化：II．生物质

摘要

本文介绍了根据1994年至2013年15次考察的数据对贝加尔湖不同区域的浮游植物生物量进行的研究结果。分析了该湖三个流域浮游植物生物量的空间分布和年际动态。夏末浮游植物总体生物量不高。湖泊开阔水域的多年平均浮游植物生物量等于 169 ± 5 mg/m ^{3 。}它在贝加尔湖南部周围分布相对均匀。贝加尔湖中部和北部东岸的多年平均值较高。夏末南部和中部流域的浮游植物生物量没有差异。北部流域浮游植物多年平均生物量准确地低于其他两个流域。没有证明该湖任何区域的生物量有所增加。浮游植物的总生物量与水温的关系非常小。