Biogeochemistry of Lake Baikal Stony Littoral

Alexandr Nikolaevich  Suturin

doi:10.4236/gep.2019.710006

Alexandr Nikolaevich Suturin

Abstract: The problem of biogenic income from rocks into a water ecosystem and of their use by hydrobionts is considered by the example of Lake Baikal biogeocenoses. A complex interreaction of stony material and Baikal water occurs on the stony littoral of Lake Baikal with an active participation of benthic and planktonic hydrobionts. Biogeochemical processes enable income of biophile elements providing productivity of stony littoral and hydrobionts biodiversity. A particular role in the littoral zone belongs to symbiotic organisms: lichens and sponges. They extract from the tocks a wide spectrum of macro- and micro- elements including phosphorus, fixe nitrogen and consume carbon. Biodiversity and bioproductivity of stony littoral depend on the diversity of petrographic composition of the rocks and on their geochemical peculiarities. Increase of anthropogenic impact onto the stony littoral manifested by income of biogenic elements and alien microbial cenosis flow results in degradation of primary aquatic biogeocenoses.

Keywords: Stony Littoral, Lake Baikal, Biogeochemistry, Hydrobionts, Biodiversity, Bioproductivity, Anthropogenic Pollution

Cite this paper: Suturin, A. (2019) Biogeochemistry of Lake Baikal Stony Littoral. Journal of Geoscience and Environment Protection, 7, 72-79. doi: 10.4236/gep.2019.710006.

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