摘要
本文对甘南亚高山草甸的弃耕地植被进行了种多样性、种间相关关系和种群动态分析。(1)多样性分析用Shanon-Wtever指数,其结果表明,随着演替时间的推移,植物种多样性呈现由先锋群落中的较低值到演替后期群落中的较高值的发展规律。(2)用相关系数公式计算一些常见组分种种间关系,结果较客观地表明了次生植被演替过程中主要植物种间的联结程度。
Species diversity and the corralation betwean species and population dynamic on the vegetation in aboandoned land on subalpine meadow have been analysed. 1. The Shannon—wiever index was used for diversity analysis and results showed that the values of diversity indices were increasing from lower values the pioneer communities to gigher values in the later communities with the time of succession. 2. Ccrralation between specics was calculated by usiug the formula of the corralation coefficient. the results showed that the degerr of association between important species in procedure of the succession from secondary vegetation.
出处
《草业科学》
CAS
CSCD
北大核心
1991年第4期53-57,共5页
Pratacultural Science
