Features of avian community and their relationships with habitats in shanghai agricultural area 上海农耕区鸟类群落特征及与几种生境因子的关系
2.
The result of path coefficient analysis is that the factor affect net photosynthetic rate of h . ammodendron mostly is soil salt contents 通径分析结果表明，对退化梭梭净光合速率影响最大的生境因子是土壤含盐量。
3.
These showed that the progressive changes of the latitudes and elevations made the habitat factors present a progressive changes thereby leading to the trait - differentiated communities 可见，由于纬度和海拔梯度的连续变化，使与之相关的生境因子也呈现出一个渐变的过程，塑造出在性状特征上有差异的种群。
