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- Title
Changes in the orthopteran population over plant cover restoration in the fallow lands of the European steppe.
- Authors
Zinenko, N.; Striganova, B.
- Abstract
A comparative analysis of the Orthopteran population in virgin and fallow lands of the European steppe has allowed finding out the colonization sources of the fallow lands: the inhabitants of the mesophytic intrazonal plant communities, including the formations of steppe bushes and polytopic species living in intact and disturbed steppe habitats have been found there. It has been shown that the structure of the Orthopteran population in the fallow lands in determined more by the composition of their plant cover than by the actual age of fallow lands or their zonal position. Fundamental changes in the structure of Orthopteran population are associated with the replacement of tall weed communities by an herb-grass cover; the faunistic similarity between the old fallow lands and zonal plots therewith increases. The abundance of Orthopteras in the fallow lands increases southward, while in zonal communities a reverse tendency is observed. The Orthopteran populations in the fallow lands of all the subzones are characterized by higher diversity and evenness if compared to zonal biotopes. A wide distribution of fallow lands with weed cover turns out to increase the faunistic and ecological diversity of the Orthopteran populations in the European steppe.
- Subjects
GROUND cover plants; FALLOW lands; PLANT populations; PLANT colonization; PLANT species; PLANT diversity; COMPARATIVE studies
- Publication
Biology Bulletin, 2012, Vol 39, Issue 10, p852
- ISSN
1062-3590
- Publication type
Article
- DOI
10.1134/S1062359012100123