Fallen trees also provide bird and animal shelter, increase water holding capacity of the soil, and recycle nutrients back into the environment through decomposition.
倾倒的树木也为鸟类和动物提供了栖息的场所，同时维系了水土，经过议定物质分解，将营养成分循环操纵。
Subsequent sections discuss the behaviour of organic chemicals in the environment and environmental transfer between compartments such as air, soil and water.
随后的章节讨论环境和车厢环境之间的转移，如空气，土壤和水中有机化学品的行为。
Every year, we "invent" more than 2,000 new substances, most of them contaminants, which are emitted into the environment and which are consequently present in food, air, soil and water.
每年，我们“发明”出2,000多种新物质，大多数都是污染物，它们被排放到环境中，然后出现在食物、空气、水当中。
Language environment is the soil, air and water for the exertion of a language.
语言环境是产生语言的土壤、空气和水。
Recently we held a class meeting to discuss the problem of "Good care environment, protect the earth". As we can see, the climate anomalies in the air, water, soil and other serious pollution.
最近我们举行了一个类会议来讨论这个问题的“爱护环境，保护地球”我们可以看到，气候异常的空气、水、土壤和其他严重污染。
It not only causes the waste of fertilizer and water, but also declines the quality of fruits, and deteriorates the soil environment.
过量的施肥和灌水不但造成水、肥浪费，而且使果实品质下降，土壤生态环境恶化。
At present, there is water and soil running off in the main environment geology problem of soil factor.
目前土壤因子出现的主要环境地质问题有水土流失、盐碱化、土壤污染。
Therefore how to utilize soil water resource rationally and effectively become the keys to guarantee physiological water requirements of vegetation and improve eco-environment.
因而如何合理有效地利用土壤水资源就成为保证农作物和林草植被生理需水、改善生态环境的关键。
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。
The discharge water should be treated during field operation of excavation and remediation of soil as well as new construction to reduce environment pollution.
提出，在作土壤开挖、修复和新建工程项目过程中，工程施工排水应处理后方可排放，以减少对周围环境水体的影响；
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 degradation, adsorption and mobility in water-soil system of herbicide are dominated factors to affect the bio-efficiency and lasting in the soil environment.
除草剂在水-土壤系统中的降解、吸附和迁移等环境行为是支配其在土壤环境中的生物有效性和持留性的重要因素。
Water and soil conservation task is an important job related to TGP project and to water from south to north, and it is one of important contents of west environment construction.
水土保持工作是一项直接关系三峡工程和“南水北调”工程的重要工作，也是西部生态环境建设的重要内容之一。
So that, according to the field study actual for many years, authors work the new evaluation system of the intensity of urban water and soil losses and its environment effect for reference.
因此，作者根据多年野外考察工作的实际，尝试性地总结出一套城市水土流失强度及其对环境影响的评价体系，供同行参考。
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。
So the epidemiological surveil-lance of Legionnaires' disease in animals, as well as in environment (water and soil)is of importance for the prevention inman.
对动物和外环境进行军团病的流行病学监测，对于防止人患军团病具有一定的意义。
The Soil water and the solute transport are a hotspot in the research of the soil-water environment, and it is the problem that has no better solutions.
土壤中水分和溶质运移一直是土壤-水环境系统中的研究热点，也是目前仍未得到很好解决的问题。
In loess hilly gully region covered by sheet sand, soil water erosion process is different from typical loess hilly gully region because of worse natural environment and loose land surface material.
在片沙覆盖的黄土丘陵区，由于恶劣的自然环境及松散的地表组成物质，土壤的水蚀过程明显地不同于典型的黄土丘陵区。
As a result, how to rehabilitate vegetation and use soil and water resources harmoniously is the key to control environment and eliminate poverty in Karst Region of Southwest China.
如何进行植被的恢复重建和实现水土资源的协调利用，是西南岩溶地区环境治理和消除贫困的关键。
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。
The impact of this accident on atmosphere, water and soil environment of this area was analyzed according to emission of pollutant and local climate and hydrological conditions.
笔者根据污染物排放情况以及当地的气候、水文等条件分析了井喷事故对该地区大气环境、水环境和土壤环境所造成的影响。
The influence of fire on water is indirectly manifested in that the post fire changes of vegetation, ground cover, soil and environment affect water cycle, water quality and aquatic lives.
火对水分的影响间接地表现在火后植被，地被物、土壤和环境的变化会影响水分循环、水质和水生生物。
Urban soil and water loss should be comprehensively controlled by coordinating the relationship between building actions and environment and restraining unreasonable action of man-kind.
应采取协调建设活动与环境的关系，抑制不合理的人为作用等措施，综合治理城市水土流失。
Determining the structure of macropore can better understand and predict the behavior of water and solutes in macroporous soil, and help to protect the environment of underground water.
确定土壤大孔隙结构，可以很好地理解和预测水及溶质在有大孔隙土壤中的运移，保护地下水环境。
The structure of macropore plays an important role in water flow and solutes transport in soil, and influences the environment of underground water.
土壤大孔隙结构对土壤中水流及溶质运移以及地下水环境有着深刻影响。
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。
Water environment problems of Yangtze valley are caused by many factors, such as industry and agriculture pollution, city consumer pollution, soil and water loss etc.
长江流域水环境问题是由多种因素引起的，如工农业污染、城市生活污染、水土流失等。
Because of many merits, such as higher strength, better water stability, and good for environment protection, lime-ash soil is widely used now in high class highway sub-base.
二灰土因其具有强度较高、水稳性较好和有利于环保等优点，在目前的高等级公路底基层中广泛使用。
A given district's system condition may be expressed as taking degree of mankind's farming behavior extent to the key element the agricultural water and soil environment.
某区农业水土环境系统的状态可由人类农事活动对农业水土环境要素及其构成类型的进占程度描述。
A given district's system condition may be expressed as taking degree of mankind's farming behavior extent to the key element the agricultural water and soil environment.
某区农业水土环境系统的状态可由人类农事活动对农业水土环境要素及其构成类型的进占程度描述。
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