In the arid and poor mountain lands, shrubs are used to conserve soil, water and headwater and to improve ecological environment, which can not be replaced by any tree species.
在干旱瘠薄山地，灌木保持水土、涵养水源、改善生态环境等方面具有乔木树种不可代替的作用。
Everything is product of the environment. The prerequisite and key of species forming is the ecological environments, such as geography, climate, water, soil, biological chain and so on.
万物都是环境的产物，地理、气候、水质、土壤、生物链等构成的生态环境是物种成型的前提和关键。
Water and soil erosion is one of the prominent ecological environment problems of Haihe River Basin.
水土流失是海河流域较为突出的生态环境问题之一。
Construction of ecological environment forest, urban protection forest, water and soil conservation, production and comprehensive utility and development of nursery stock.
生态环境林、城市防护林建设，天然林资源保护，水土保持，林业苗木生产及综合利用开发等。
Due to fewer rainfall, lean soil, serious soil and water loss and the long term negative effect of human activity, the ecological environment in hilly semi arid area is being degraded.
低山丘陵半干旱区气候干旱、土地贫瘠、水土流失严重，加上人类活动的长期负面影响，使得该地区生态环境不断恶化。
The rate of coverage of forest have an evident effect on many environment factors such as soil and water reservation ecological environment improvement.
森林覆被率在保持水土、涵养水源、改善生态环境方面起着很大作用。
Soil and water conservation is the core of ecological environment construction.
水土保持是生态环境建设的核心。
Therefore how to use of soil water reasonable and effectively becomes the key to insuring water vegetation needs and the improving the ecological environment.
因而如合理、有效地利用土壤水资源就成为保证植被生理需水、改善生态环境关键。
The unreasonable exploitation and utilization of water and soil resources is the radical reason of causing serious ecological environment problems in the west part of China.
水资源和土地资源的不合理开发利用是造成西部严重生态环境问题的根源。
It has valuable soil and water resources, and can regulate the ecological environment.
它具有宝贵的动植物资源，对生态环境起着重要的调节作用。
Soil moisture is the main factor of plant growth, vegetation restoration and ecological environment. It's a very important significance to research soil water movement and translation.
土壤水分是植物生长、植被恢复和生态环境建设的主要制约因素，研究其运动与转化规律具有重要的现实意义。
The author elaborates the currrent situation and task of soil and water conservation and the ecological environment construction in Huichang county and points out the existing problems at present.
阐述了会昌县水土保持生态环境建设现状和任务，指出了当前水土保持生态环境建设存在的问题。
The soil and water conservation special fund has played an important role in the ecological environment construction of Longnan county.
水土保持专项资金为龙南县的生态环境建设起到了重要作用。
Terraced field can conserve water, soil and maintenance nutrient, and improve local ecological environment. At the same time, its impacts on local social economy and shaking off poverty are important.
梯田除了有效地发挥着蓄水、保土、保肥以及改善局域生态环境等功能外，对当地社会、经济，以及农民的脱贫致富发挥了重要作用。
Miyun Reservoir plays an important role in supplying water for industrial and household use in Beijing. How to control soil erosion and improve ecological environment become urgent.
密云水库是北京城区的重要饮用水源地，如何治理集水区内的水土流失，改善集水区生态环境非常重要。
The main ecological environment problems in the west China are a little rain and arid, serious hazard of wind sand, topography in pieces, vast hilly gully area and intense soil and water erosion.
本文分析了晋陕蒙接壤地区资源开发中的生态环境问题，认为该地区生态环境问题主要有干旱少雨、风沙危害严重；地形破碎、沟壑纵横；水土流失面积大、侵蚀强度大。
The soil and water loss in the Yangtze River basin is very serious due to the destruction of ecological environment.
由于自然生态环境的破坏，长江流域的水土流失十分严重。
This area affecting the soil and water loss and Ecological Environment of Yangtze River watershed and Three Gorges area directly has become the second largest erosion area after the Loess Plateau.
紫色土区目前已经成为仅次于黄土区的第二大侵蚀区，直接影响到长江流域以及三峡库区水土流失和生态环境。
This area affecting the soil and water loss and Ecological Environment of Yangtze River watershed and Three Gorges area directly has become the second largest erosion area after the Loess Plateau.
紫色土区目前已经成为仅次于黄土区的第二大侵蚀区，直接影响到长江流域以及三峡库区水土流失和生态环境。
应用推荐