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生境因素 [shēng jìng yīn sù]
[古生] habitat factor
- 生境因素中年降雨量的变化对HFRS疫情的波动影响不大（r＝0.182，P＝0.593）；
As for environmental factors, changes in the annual rainfall amount did not affect the prevalence of HFRS (r=0.182, P=0.593). - 根据研究地区现状，将研究地区生境因素划分为森林采伐、植被、地形、人为干扰4类。
The environment factors were classified into 4 types such as topography variables, vegetation variables, human disturbance factors and forest harvest variables. - 油松林的物种多样性在不同地段的表现与该地段油松的株数及生长状况有关，而这些又决定于飞籽密度及坡向、坡度等小生境因素。
Species diversity on various quadrats was related to the number of Pinus tabulaeformis and its growth, which depended on sowed density of seeds, slope direction, slope degree and so on.
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