Macrozoobenthos in Different Types of Littoral Zones of Lake Onego

The results of studies of bottom biocenoses in three types of littoral zone (rocky biotope, gravel-sand biotope, and surf zone with thickets of higher aquatic vegetation) of Lake Onego in 2013 and 2014 are presented. Our data show that, among the three types of coastal zone, the macrozoobenthos biom...

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Bibliographic Details
Published in:Contemporary problems of ecology 2024-08, Vol.17 (4), p.503-513
Main Author: Sidorova, A. I.
Format: Article
Language:English
Subjects:
Amphipoda
Aquatic plants
Biocenoses
biocenosis
Biomass
Biomedical and Life Sciences
biotopes
Coastal zone
coasts
Ecology
Gravel
Introduced species
Invasive species
Lakes
Life Sciences
Littoral environments
Littoral zone
species
Surf zone
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Summary:The results of studies of bottom biocenoses in three types of littoral zone (rocky biotope, gravel-sand biotope, and surf zone with thickets of higher aquatic vegetation) of Lake Onego in 2013 and 2014 are presented. Our data show that, among the three types of coastal zone, the macrozoobenthos biomass is maximal in the rocky littoral zone (3.4–6.6 g/m 2 ) and is minimal in the sandy zone (0.1–0.2 g/m 2 ). The invasive species Gmelinoides fasciatus (Stebbing 1899) (CRUSTACEA: AMPHIPODA) has successfully naturalized in all types of littoral zones of the reservoir in recent decades. This species dominates both in number and biomass in the rocky type of biotope.
ISSN:1995-4255
1995-4263
DOI:10.1134/S1995425524700306