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To analyze taxonomic and trophic structures of benthic invertebrate communities in Kama river reservoirs.

January 1, 2025Биология внутренних вод / Inland Water Biology

Comparative analysis of Structure in benthic Invertebrates communities of Upper (riverine) parts of reservoirs in Kama river cascade

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To analyze taxonomic and trophic structures of benthic invertebrate communities in Kama river reservoirs.
Comparative analysis conducted on benthic invertebrate samples from Kama, Votkinsk, and Nizhnekamsk reservoirs.
Assessments of species richness and trends in population dynamics were carried out from collection years 2010, 2012, and 2015.
Observed depauperization in specific and generic levels of benthic fauna.
Noted decrease in chironomids' species richness and ratio of mayflies, stoneflies, and caddisflies.
Identified increase in species richness of mollusks and crustaceans.
Documented increase in absolute and relative biomass density in filterators and scrapers.

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Comparative analysis reveals changes in benthic invertebrate communities in reservoirs, suggesting shifts in biodiversity.

I. V. Pozdeev (2025) studied this question.

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