Experimental and field studies on ecological energetics of Asellus aquaticus L. (Isopoda). 3, Population dynamics on the background of macrobenthos occurrence in the littoral zone of Powsińskie Lake

Prus, Tadeusz

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Experimental and field studies on ecological energetics of Asellus aquaticus L. (Isopoda). 3, Population dynamics on the background of macrobenthos occurrence in the littoral zone of Powsińskie Lake Prus, Tadeusz

Struktura obiektu

Experimental and field studies on ecological energetics of Asellus aquaticus L. (Isopoda). 3, Population dynamics on the background of macrobenthos occurrence in the littoral zone of Powsińskie Lake

Population dynamics on the background of macrobenthos occurrence in the littoral zone of Powsińskie Lake ; Studies on ecological energetics of Asellus aquaticus

Prus, Tadeusz

Polska Akademia Nauk. Instytut Ekologii

Polish Scientific Publishers

Warszawa

1977

Strony 59-74 : ilustracje ; 24 cm ; Bibliografia na stronach 73-74 ; Streszczenie w języku polskim

Czasopismo/Artykuł

ośliczka wodna ; populacje ; liczebność ; biomasa ; ekologia ; Polska ; Jezioro Powsinkowskie ; Asellus aquaticus

The paper is an introduction to the field studies on bioenergetics of a natural population of Asellus aquaticus L. It gives a general outline of seasonal and annual changes in occurrence of macrobenthos with special attention paid to the species examined. The changes in numbers, biomass, and calorific equivalent of invertebrate benthic animals (except Mollusca) are given as a background of the population dynamics. Age, sex and size structures of A. aquaticus have been studied. The A. aquaticus population, abundant in late spring, was found to decline during summer with a certain tendency to restore in autumn. Annual changes point to the long-term population decline.

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