Floristic areas of the Middle Volga region: materials to the analysis

被引：0
|
作者：
Senator, Stepan [1 ]
Saksonov, Sergey [1 ]
Bondareva, Viktoria [1 ]
机构：
[1] RAS, Inst Ecol Volga River Basin, Komzina Str 10, Tolyatti 445003, Russia
来源：
RESULTS AND PROSPECTS OF GEOBOTANICAL RESEARCH IN SIBERIA, DEDICATED TO THE 75TH ANNIVERSARY OF THE LABORATORY OF ECOLOGY AND GEOBOTANY OF CSBG SB RAS 2019 | 2019年 / 16卷
关键词：
D O I：
10.1051/bioconf/20191600048
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
The publication presents some quantitative characteristics of the 17 pre-selected floristic areas of the Middle Volga region (the total number of species, number of indigenous taxa and the number of differentiating species). Based on the available data, a linear regression is constructed, illustrating the relative dominance of allochthonous or autochthonous trends in the development of flora in the selected areas. The cluster analysis of the species lists of the floristic areas was completed, and then DCA-ordination of the selected areas was implemented. It is revealed that the forest-steppe areas of the Cis-Volga and Trans-Volga regions are situated by the level of species richness, and the number of species in the selected floristic areas is increasing from West and East towards the Volga.
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页数：4
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