Assessment of Possible Causes of Changes in Аbundance and Sexual Structure in Populations of Prussian Carp (Carassius auratus gibelio Bloch., 1783)

The prevalence of processes of the increase in abundance and changes in the sexual structure of Prussian carp populations in waterbodies differing dramatically in ecological properties and distant from each other (Lake Sevan and Rybinsk Reservoir) indicates the presence of global factors affecting c...

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Bibliographic Details
Published inInland water biology Vol. 11; no. 1; pp. 72 - 80
Main Authors Gerasimov, Yu. V., Smirnov, A. K., Kodukhova, Yu. V.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 2018
Springer Nature B.V
Subjects
Biodiversity
Biomedical and Life Sciences
Carp
Climate change
Climatic zones
Fish
Freshwater & Marine Ecology
Freshwater fishes
Geoecology/Natural Processes
Global warming
Hypoxia
Ichthyology
Lakes
Life Sciences
Populations
Thermal stability
temperature
global warming
sexual structure
Prussian carp
abundance
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Summary:The prevalence of processes of the increase in abundance and changes in the sexual structure of Prussian carp populations in waterbodies differing dramatically in ecological properties and distant from each other (Lake Sevan and Rybinsk Reservoir) indicates the presence of global factors affecting climatic zones. The increase in environmental temperature due to global warming may be such a factor. Experimentally proven high thermophilicity and the thermal stability of Prussian carp, as well as its low sensitivity to hypoxia, provide some advantages for this species over many other fish inhabiting the same waterbodies.
ISSN:1995-0829
1995-0837
DOI:10.1134/S199508291704006X