Upper Vistula River : response of aquatic communities to pollution and impoundment. 10, Oligochaete taxocens

• Autorzy: Dumnicka E.
• Języki publikacji: EN

Abstrakty

EN

The studies were carried out on 9 sites situated between 10 and 337 km of the river course to asses which parameters are the most important for the composition and density of oligochaete taxocens. 42 species and 4 genera of oligochaetes were found. Considering number of species (24) and number of specimens Naididae were the most numerous, Tubificidae were less frequent (12 species), other families were represented by a few taxa. In the studied sector of the Vistula the natural taxocens of oligochaetes did not exist. Various reasons were responsible for these modifications: eutrophication (sites 2, 3), strong pollution (from site 5 downstream) and hydrotechnical structures (sites 1, 4, 6). The natural changes of oligochaetes density connected with their life cycles were modified by the effects of flood and water pollution.

Słowa kluczowe

EN

Oligochaeta; pollution impact; seasonal changes; species richness

• Wydawca: Museum and Institute of Zoology, Polish Academy of Sciences
• Czasopismo: Polish Journal of Ecology
• Rocznik: 2002
• Tom: Vol. 50, nr 2
• Strony: 237--247
• Opis fizyczny: Tab., wykr.,Bibliogr. 24 poz.,

Twórcy

autor

Dumnicka E.

• Karol Starmach Institute of Freshwater Biology, Polish Academy of Sciences, Sławkowska 17, 31-016 Cracow, Poland

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