relative diversity

The genetic diversity for most populations is high except the Yichang ( YC) populations, which has a relative low level of genetic diversity.

大多数居群的遗传多样性水平指数都较高而且相差不大，仅湖北宜昌（YC）居群遗传多样性水平偏低。

Based on this, relative measures for bio-diversity conservation are proposed.

提出保护植物多样性应采取的措施.

Pattern indexes such as AI, CONTAG, SHDI, and SHEI and so on have good correlations with aridity index. Climate in upper and middle reaches is relative humid, degrees of fragmentation; diversity and evenness here are much higher than lower reaches.

流域格局指数AI、CONTAG、SHDI、SHEI等与干燥度指数有很好的相关性；中上游地区气候相对湿润，景观破碎化程度较高，多样性、均匀度明显高于下游。

The biodiversity of rice growing regions refers generally to all living germplasms in rice growing fields including genetic diversity, species diversity, ecosystem diversity as well as relative ecosystem process.

中国稻区生物多样性是指该区域各种生命形式的资源总和，包括遗传多样性、物种多样性、生态系统多样性及与此相关的各种生态过程。

For quantitative expressing and evaluating diversity of cave's scenery, diversity indices, relative plentifulness and dispersiveness are used.

采用多样性指数，相对丰富度及离散度对洞穴景观多样性进行了定量表达与评判。