Elk were overgrazing the grassland, causing damage to the precious eco-system.

麋鹿在草原上啃草，对宝贵生态系统造成了破坏。

For a century, this land had been overgrazed by livestock, like most grasslands around the world.

这片土地就像世界各地大部分草地一样，历了长达一个世纪放牧。

This economic reliance on livestock in certain regions makes large tracts of land susceptible to overgrazing.

在某些地区，家畜是人们主来源，大量土地因此而遭受放牧风险。

Sharks limit the abundance of animals which would otherwise overgraze these essential plants.

鲨鱼限制了动物数量，则这些动物会放牧这些重植物。

That can lead to destructive overgrazing.

这可能导致破坏性放牧。

Together, increased demand, overgrazing, and climate change mean that cashmere is getting worse.

需求增加、放牧和气候变化共同意味着羊绒状况日益恶化。

Scientists have found that overgrazing has contributed to the degradation of 70 percent of Mongolia's grasslands.

科学家发现，放牧导致蒙古70%草原退化。

The phenomenon was first described in a pamphlet by economist William Forster Lloyd in 1833 in a discussion of the overgrazing of cattle on village common areas.

1833 年，学家威廉·福斯特·劳埃德 (William Forster Lloyd) 在一本小册子中首次描述了这种现象，当时他讨论了在村庄公共区域放牧牛群问题。

Decades of overgrazing, climate change-induced droughts, and poor farming practices are stripping not only the Sudanian grasslands of their once fertile topsoil but hundreds of other regions like it across the world.

几十年放牧、气候变化引发干旱和不良耕作方式，不仅使苏丹草原失去了曾肥沃表土，也使世界上其他数百个类似地区失去了表土。

Hardin argued that these situations pit short-term self-interest against the common good, and they end badly for everyone, resulting in overgrazing, overfishing, overpopulation, pollution, and other social and environmental problems.

哈丁认为，这些情况使短期自身利益与共同利益背道而驰，结果对每个人都不利，导致放牧、捕捞、人口剩、污染以及其他社会和环境问题。

" Imbalance between the supply of and demand for animal forage lands leads to overgrazing, invasive species, and the increased risk of drought and wildfires -- all of which accelerate desertification and land degradation trends around the world, "

“动物饲草地供需失衡导致放牧、物种入侵以及干旱和野火风险增加，所有这些都加速了全球各地荒漠化和土地退化趋势。”