For most species, this result can be explained by recent steppe expansion associated with a decrease of habitat heterogeneity.
对于大多数种类，这种结果可由最近草原扩大而来的生境异质性降低解释。
The effect of area on the Numbers of bird species is obvious if the spatial heterogeneity is diverse.
当空间异质性较高时，面积对鸟类物种数的影响是明显的。
The results indicated that this clonal species is able to withstand soil-water heterogeneity through physiological integration, which is promoted under increasing levels of water contrast.
实验结果表明克隆植物东方草莓能通过分株间的克隆整合抵御土壤水分异质性，并且克隆整合随分株间土壤水分梯度的增大而增强。
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