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- The annual variation of runoff and erosion induced sediment yield gradually decreased along with the development of soil and water conservation work and the increase of forest and grass vegetation. 径流和侵蚀产沙的年际变化是随流域水土保持措施全面实施和小流域林草植被面积的增加，流域径流量和侵蚀产沙量逐渐减少。
- Abstract: Desiccation of the deep soil layer under forest and grass vegetation is one of the crucial topics in scientific research for eco-environmental construction of the Loess Plateau. 摘 要： 林草植被深层土壤干燥化是黄土高原地区生态环境建设过程中面临的重大科学问题。
- Forest and grass vegetation 林草植被
- In drid regions humans must follow the rule of plant community succession to build vegetation of forests and grass. 在水土保持林草植被建设中,特别是在干旱地区,人们必须遵循而不能违背植物群落自然演替的规律。
- By this, the conclusion that shrub and grass vegetation sh ould take a preferential place in vegetation construction of arid and semi-arid regions. 据此认为，干旱半干旱区植被生态建设中，坚持以灌木和草本植物为主的原则，才能提高有效水资源的利用效率，取得较好的环保效益。
- Maori Moa hunters burnt large areas of forest and grass land in order to flush out the last remaining moas, and the European settlers cleared thousands of acres for farmland. 它们并不和其它同种企鹅聚集在一起繁殖，也不迁徙，长年生活在它们繁殖的地区内。有人做了一个试验，把它带到繁殖地87公里的地方释放后，它可以在48小时内回到原来的地方。
- Second, conducting mountain closure to rehabilitate the overall vegetation of forests and grass on all barren hills in protected zones, including newly established open forests and shrubs. 二是对地域内所有的荒山荒地，包括新造林未成林地、灌木林地，采取封山育林的办法全面恢复林草植被；
- Second,conducting mountain closure to rehabilitate the overall vegetation of forests and grass on all barren hills in protected zones,including newly established open forests and shrubs. 二是对地域内所有的荒山荒地，包括新造林未成林地、灌木林地，采取封山育林的办法全面恢复林草植被。
- Forests and jungles have thick vegetation. 森林和热带雨林中有茂密的植被。
- Appropriate match grasses and arbors of stress resistance to form cultivation models of forest and grass mixture, bush and arbor alternate. 适当配置抗逆性强的草本植物和乔木植物,形成林草搭配、灌乔相间的各种种植模式。
- The guerrillas dived into the thick forest and soon disappeared. 游击队员突然钻进密林，很快就消失了。
- While returning more farmland to forests and grass, we should implement without delay the national plan for the conservation of grasslands. 加大退耕还林还草力度。抓紧实施全国草原生态保护建设规划。
- While returning more farmland to forests and grass,we should implement without delay the national plan for the conservation of grasslands. 加大退耕还林还草力度，抓紧实施全国草原生态保护建设规划。
- Converting the land for forest and grass 退耕还林地
- forest and grass composite management 林草生态系统
- forest and grass composite pattern 林草复合模式
- reduce cultivated land to forest and grass 退耕还林
- reducing cultivated land to plant forest and grass 退耕还林（草）
- optimized intercropping of forest and grass 林草优化配置
- They rode through forests and fields. 他们骑马穿过森林和原野。
