Abstract
The results of soil invertebrates researches of spruce and pine forests in the vicinity of Syktyvkar Timber industry complex – the largest enterprise of paper industry on the European part of Russia, – indicated the changes of structure parameters of soil invertebrate complexes. The specific diversity and number of Oribatei decreased in the vicinity of the enterprise. The change of dominants and impoverishment of population of soil-surface inhabitants among the Oribatei was also observed. The specific diversity and number of Collembola in spruce forests decreased at the middle degree of pollution. The specific diversity and number of Collembola in pine forests decreased in the vicinity of the enterprise. The disturbances of soil macrofauna structure stability were revealed in the center of pollution gradient. The improvement of diversity and number of large soil invertebrates was registered on the impact plots of coniferous forests.
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