Spatial-typological differentiation of ecosystems of the west siberian plain. Communication III: Terrestrial invertebrates |
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| Authors: | M G Sergeev B R Striganova V G Mordkovich V V Molodtsov I N Bogomolova O N Nikolaeva |
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| Institution: | 1.Institute of Systematics and Ecology of Animals,Siberian Branch of the Russian Academy of Sciences,Novosibirsk,Russia;2.Novosibirsk State University,Novosibirsk,Russia;3.A. N. Severtsov Institute of Ecology and Evolution,Russian Academy of Sciences,Moscow,Russia;4.Siberian State Geodetic Academy,Novosibirsk,Russia |
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| Abstract: | The spatial distribution of the terrestrial invertebrate population of the West Siberian Plain is analyzed at the level of
large functional groups (soil nematodes, annelids, microarthropods, mesoarthropods, snails, grass layer arthropods). Their
air-dry biomass and roles in local ecosystems are estimated. The invertebrate population was classified in two ways: after
averaging over units of the vegetation map of West Siberian Plain and after averaging over groups of units of this map. A
digital thematic map of the invertebrate population is produced. Special features of the spatial heterogeneity of invertebrates
were identified in correlation with the vegetation and humus distribution patterns. The biomass distribution of invertebrate
groups is found to be less heterogeneous but more consistent with the distribution of natural zones. |
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