Article |
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Article name |
Role of Alien Species Gmelinoides fasciatus in Food of Perch Perca Fluviatilis Linnaeus, 1758 of Lake Arakhlei |
Authors |
Gorlachev V.P. Doctor of Pedagogy, Professor, valeriigorlachev@mail.ru |
Bibliographic description |
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Section |
Scientific Reports |
UDK |
УДК 597.556.331.1 |
DOI |
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Article type |
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Annotation |
In the article materials on food of a perch are presented. It is shown, that from the
60s till now the food spectrum of a perch has strongly changed. There was a reduction of
a share of fish food, and increase in consumption of a zooplankton and an alien species
Gmelinoides fasciatus. Much attention is given to studying of a trophic role of an alien
species. It is noticed that in seasonal aspect a perch consumes species of different size.
Four dimensional groups G. fasciatus are the most often used by perch.
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Key words |
perch, food, Gmelinoides fasciatus, lake Arakhlei, alien species, food
spectrum. |
Article information |
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References |
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Full article | Role of Alien Species Gmelinoides fasciatus in Food of Perch Perca Fluviatilis Linnaeus, 1758 of Lake Arakhlei |