古尔班通古特沙漠植被格局对沙漠草地饲用价值的影响 关键词：植被格局；沙漠草地；饲用价值；古尔班通古特沙漠 [gap=13199]Key Words：vegetation patterns；desert grassland；feeding value；Gurbantunggut Desert
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自然界的植被格局是多样、壮观和永恒变化的。
Vegetation pattern in nature is diverse, spectacular, and ever-changing.
结果表明：（ 1 ）影响乔木、灌木和草本层植被格局变化的首要因子都是地形特征；
The results are as following: (1)The topographic characteristics are critical for the spatial variations of vegetation.
利用径流冲刷试验，在不同植被格局的坡面上，对黄土丘陵区坡面不同植被格局的侵蚀产沙规律进行了研究。
According to a runoff scouring experiment on different vegetation patterns of slope faces, the loess hilly gully regions different vegetation patterns are studied.
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