The selectivity index for height layer varies with seasons and stocking rate.
各高度草层的选择性随季节推移和放牧率不同而发生变化。
The selectivity index of different plant species changes with grazing The selectivity index of different plant species changes with grazing seasons and stocking rate.
山羊对各种植物的选择性指数随放牧季节和放牧率的不同而发生变化。
The selectivity index of different plant species changes with grazing The selectivity index of different plant species changes with grazing seasons and stocking rate.
山羊对各种植物的选择性指数随放牧季节和放牧率的不同而发生变化。
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