Dynamics of structure and abundance of night migratory community in the littoral zone of lake Baikal
AbstractMonthly observations of night migratory community of the hydrobionts in the southern part of Lake Baikal near the Angara river head were conducted between November 2017 and January 2018. Distinctions in structure and abundance of different hydrobiont groups depending on the month of the observation were shown. Thus, the pelagic amphipod Macrohectopus branickii was present as a part of night migratory complex only on November 2017 and the peak of benthic amphipod numbers was observed on December 2017. The decrease of migration activity during the period was probably associated with a lowering of water temperature. Key words: Baikal, migratory community, amphipods, light pollution.
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