Ecological and geographic distribution patterns of earthworms (Oligochaeta, Lumbricidae) in landscapes of southern middle Siberia

Ecological and geographic distribution patterns of earthworms (Oligochaeta, Lumbricidae) in... ISSN 10674136, Russian Journal of Ecology, 2012, Vol. 43, No. 1, pp. 82–85. © Pleiades Publishing, Ltd., 2012. Original Russian Text © E.P. Bessolitsyna, 2012, published in Ekologiya, 2012, No. 1, pp. 70–73. SHORT COMMUNICATIONS Ecological and Geographic Distribution Patterns of Earthworms (Oligochaeta, Lumbricidae) in Landscapes of Southern Middle Siberia E. P. Bessolitsyna Sochava Institute of Geography, Siberian Branch, Russian Academy of Sciences, ul. UlanBatorskaya 1, Irkutsk, 664033 Russia email: Received July 13, 2010 Keywords: earthworms, abundance, biomass, community structure, soil, ecological factors, landscape distri bution, anthropogenic impact. DOI: 10.1134/S106741361106004X Earthworms have an active role in transformation shown that both parameters decrease upon descent and redistribution of organic matter, destruction pro from watersheds to stream valley floors. Variation in cesses, soilforming processes, etc., thereby perform the abundance of earthworms is due to nonuniformity ing a major biogeochemical function. Moreover, they of abiotic conditions at the topological level: the diver are known as bioindicators and biomonitors that inte sity of geomorphological structure, differentiation of grate the effects of various biotic and abiotic factors. soilforming rocks, local features of hydrothermal regime, etc. Among ecological factors, of critical Longterm transect studies on the soil invertebrate importance in the region is heat Russian Journal of Ecology Springer Journals

Ecological and geographic distribution patterns of earthworms (Oligochaeta, Lumbricidae) in landscapes of southern middle Siberia

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SP MAIK Nauka/Interperiodica
Copyright © 2012 by Pleiades Publishing, Ltd.
Life Sciences; Ecology; Environment, general
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