So moderately grazed grassland was the threshold and should be addressed.

因此，中度放牧草地是草地退化的警戒阈，应当引起关注。

youdao

Though there were different plants, which could be grazed by beasts in different stages from return green to wither of old world bluestem Shrub Grassland, it is most suitable for grazing in August.

从白羊草群落牧草的返青到枯萎，不同时期均有不同牧草可供放牧利用，但以8月份为最佳利用时期。

youdao

The trust manages the cliffs as chalk grassland, parts of which are grazed by Exmoor ponies to preserve the natural flora and support wildlife.

BBC: The white cliffs