The response of vegetation to increased levels of rainfall can be easily measured and monitored by Remote Sensing Satellite Imagery.
植被对降雨量增加的反应，通过遥感卫星图像很容易量度和监测。
Though it is di? Cult to grow trees in the saline-alkali soil, the ground cover and wetland vegetation are rich and vary in response to subtle changes in the water table and PH values.
尽管难以在盐碱地里栽种树木，但覆盖地表和湿地的植被异常丰富，随着地下水位和PH值的细微变化而呈现不同的形态。
These fossil data indicate the changes in regional vegetation in response to climate variations and Marine transgressions and regressions.
这些孢粉化石资料说明区域性植被响应气候演变、海进、海退等所发生的变化。
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