Home – Home – Jornals – Contemporary Problems of Ecology 2011 number 4

Differentiation of vertebrate population and ecosystems over vegetation at the level of type, judging from formalized classifications of different blocks of ecosystems of East Siberia over the allocations of the geobotanical map, coincide almost completely and substantially differs from that in the underground component due to the strong effect of waterlogging on the latter. In the communities of invertebrates, the differences in the boreal-subboreal parts are essential, where waterlogging is more significant and more similarity is observed for middle- and south-taiga communities than for subtaiga-steppe ones.  Over the groups of map allocations, heterogeneity of vertebrates population differs from that in all the considered blocks of ecosystems by larger differentiation in the tundra zone. In the pre-tundra - northern taiga subzones and from middle taiga to the steppe zone, the heterogeneity of vertebrate communities is somewhat smaller than that of vegetation and especially of the underground block of ecosystems. However, these differences relate only to the hierarchy of division and are often exhibited at the level of taxons at the range of sub-type or class. These are the evidences of relative independence of changes of the distinguished blocks of ecosystems, which gives rise to non-coincidence of the boundaries and amounts of taxons in them, as well as continuality of ecosystems in general. Essential non-coincidence of traditional geobotanical and typological-chorologic population bands of terrestrial vertebrates is observed.