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Contemporary Problems of Ecology

2014 year, number 5

The Composition and Distribution of Sponges (Porifera) in Continental Waters of Western Siberia

T. A. SHARAPOVA1, V. V. TRYLIS2, S. N. IVANOV1, V. V. ILYUSHINA1
1Institute of Problems development of the North, SB RAS, 625003, Tyumen, p.o.box 2774
2Institute of Hydrobiology, Ukrainian Nationl Academy of Science, 04210, Kyv, Gerov Stalingrada ave., 12
Keywords: sponge, spicules, zooperiphyton, rivers, lakes, West Siberia

Abstract

The data on the composition and distribution of freshwater sponges in Western Siberia was presented. Four species were found in present-days lakes and rivers, and one species was found during the palynological and archaeological researches. It was shown that freshwater sponges lived mainly in small rivers and lakes of the forest-steppe and southern taiga zones. One hundred taxons of aquatic invertebrates were registered together with sponges. It was detected that the biomass of sponges in zooperihyton was veraciously decreasing northwards.