长白山高山冻原植物群落的生态优势度  

Ecological Dominance of Alpine Tundra Phyto-communities on the Changbai Mountains.

作　　者：钱宏[1] 

机构地区：[1]中国科学院植物研究所

出　　处：《生态学杂志》1990年第2期24-27,58,共5页Chinese Journal of Ecology

摘　　要：生态优势度(ecological dominance)或称集中优势度(dominance concentration),是综合群落中各个种群的重要性,反映各种群优势状况的指标,是群落结构的一个度量值。Eoological dominaces of fifty-nine alpine tundra plant associations are measured.The valuesof alpine tundra phyto-communities on the Changbai Mountains generally vary from 0.05 to0.4,which is negatively correlated with species diversity.It is suitable to choose ecologicaldominance as a comprhensive index at community level.

关 键 词：冻原植物群落 生态优势度 

分 类 号：Q948.155[生物学—植物学]