The Relationship of Dominance and Evenness with Productivity and Species Richness in Plant Communities with Different Organization Models

被引：0
作者：
V. V. Akatov
T. V. Akatova
C. G. Chefranov
机构：
[1] Maikop State Technological University,
[2] Caucasian State Nature Biosphere Reserve,undefined
来源：
Russian Journal of Ecology | 2018年 / 49卷
关键词：
productivity; species richness; dominance; evenness; plant communities; life history strategies; competition; organization models;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The relationship between dominance and evenness in plant communities organized according to different models—competitive (alpine, subalpine, and low-mountain grasslands), stress-tolerant (alpine heaths and scrubs, subalpine fens, steppes, the forest herbaceous layer), and ruderal—has been analyzed in the Western Caucasus and Ciscaucasia. No correlation between evenness (dominance) and productivity has been revealed in communities of any type. The correlation between dominance and species richness is negative and, in most cases, linear, being stronger in competitive and ruderal than in stress-tolerant cenoses. The correlation between evenness and species richness in grassland communities (the competitive model) is strong, positive, and linear, while this correlation in ruderal and stress-tolerant communities is weak or absent.
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页码：296 / 305
页数：9
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