吐拉苏地处新疆伊宁县北部，属干旱、半干旱环境敏感地区，生态环境十分脆弱。
Tulasu, located in the northern Yining county, Xinjiang, belongs to an eco-environmental fragile area.
沙漠边缘的半干旱土地处于非常脆弱的生态平衡之中，而这些半干旱区域对于持续增加的环境压力的适应能力极其有限。
The semiarid lands bordering the deserts exist in a delicate ecological balance and are limited in their potential to adjust to increased environmental pressures.
灌木的扩张也发生在其他环境中，比如半干旱草原和高草草原。
Shrub expansion has occurred in other environments, like semiarid grassland, and tall grass prairies.
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