environ. |
mountain A feature of the earth's surface that rises high above the base and has generally steep slopes and a relatively small summit area. Mountains are an important source of water, energy, minerals, forest and agricultural products, and recreation. They are storehouses of biological diversity and endangered species and an essential part of the global ecosystem. About 10% of the world's population depend on mountain resources and nearly half of these people are affected by the degradation of mountain watershed areas (在基础上升高并且通常有陡坡和一个相对小的山顶区的地球表面特点。 山是水、能量、矿物、森林、农产品和休闲娱乐的重要来源。 它们是生物多样性、危险物种的储藏所和全球性生态系统的主要部分。大约10%世界人口依赖于山地资源,并且几乎一半的人类受到山地区域退化的影响。) |