Low vegetation cover 植被覆盖率低
Soil erosion in the loess area relates to low vegetation cover rate in this region.
黄土高原地区严重的水土流失与该区植被覆盖率低有密切的关系。
The percentages of malvaceae pollen are quite low and other species are the main pollen types, with poor consistency to the local vegetation cover.
棉田棉花花粉含量低，其他植物花粉含量高，花粉组合特征与荒地相似，很难与荒地区分开来；
Small rainfall events mainly benefited herb species, and the high frequency but low amount of rainfall partially explained the relatively high vegetation cover in this area.
综合考虑降水模式与不同生活型植物对小雨量降水的响应特点，高频率的小雨量降水，可能是维持本区较高植被覆盖度的重要原因。
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