Зообентос Дубоссарского и Кучурганского водохранилищ
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574.587:556.51(478) (1)
Ecologie generală şi biodiversitate (764)
Hidrosfera. Apa în general. Hidrologie (450)
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FILIPENCO, Serghei. Зообентос Дубоссарского и Кучурганского водохранилищ. In: Functional Ecology of Animals: 70th anniversary from the birth of academician I.Toderas, 21 septembrie 2018, Chişinău. Chișinău, Republica Moldova: Institutul de Zoologie, 2018, pp. 421-427. ISBN 978-9975-3159-7-5. DOI: https://doi.org/10.53937/9789975315975.75
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Functional Ecology of Animals 2018
Conferința "Functional Ecology of Animals"
Chişinău, Moldova, 21 septembrie 2018

Зообентос Дубоссарского и Кучурганского водохранилищ

DOI: https://doi.org/10.53937/9789975315975.75
CZU: 574.587:556.51(478)

Pag. 421-427

Filipenco Serghei
 
Приднестровский Государственный Университет им. Т.Г.Шевченко
 
Disponibil în IBN: 26 noiembrie 2019


Rezumat

The aim of the research is to compare the structure and quantitative indicators of the zoobenthos of two reservoirs that are geographically close to one another and differ in their hydroecological features. On the territory of Moldova are two contrasting reservoirs - the Dubossary reservoir of river type and the Cuciurgan reservoir-cooler Moldovan hydroelectric power station lake type with reverse cooling system. Their hydrological features differ mainly by the type of reservoir, the thermal regime and the mineralization of water. The qualitative composition and quantitative development of the main zoobenthos groups depend on these features. In the zoobenthos of both reservoirs is dominated oligochaetes and chironomids. Oligochaetes predominate numerically in the more eutrophicated Kuchurgan reservoir. Polychaetes are more numerous in the reservoir with an increased level of mineralization. The density of amphipods on silty soils is higher in ponds with a higher number of Zebra mussel. A high degree of mineralization of the Kuchurgan reservoir contributed to the emergence of a new invasive species - the North American crab Rhithropanopeus harrisi.