Geographical Changes in Vegetation and Plant Functional Types by Andrew M. Greller Kazue Fujiwara & Franco Pedrotti

Author:Andrew M. Greller, Kazue Fujiwara & Franco Pedrotti
Language: eng
Format: epub
Publisher: Springer International Publishing, Cham

7.5.1 Northern Subzone

In the Northern Subzone, feather grass steppe communities are the zonal type on the dark chestnut and ordinary chernozem soils (Lavrenko 1978, 1980a). A specific feature of Northern Steppe is the participation of many species of xeromesophytes and mesoxerophytic forbs. The feather grasses are represented by one or another species, as the dominant. Stipa tirsa and S. ucrainica communities predominate in the western part of the Eastern Europe. Stipa zalesskii and S. tirsa communities can be found nearly throughout Northern Steppe Subzone. The phytocoenotical role of S. tirsa is more important to the west of the Don River, and S. zalesskii to the east of the Volga River. Stipa pulcherrima occurs throughout the Subzone in the feather grass communities.

The border between two large regional types, Black Sea steppe type and Volga-Kazakhstan steppe, exists along the Volga River and the Western macroslope of the Ergeny Hills.

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