The abundance and availability of water and nutrients in a soil ecosystem determine its fertility.
土壤生态系统中水分和养分的丰度和有效性决定土壤的肥力。
It points out that it is of great importance for protecting soil ecosystem to prevent and cure pollution of heavy metals.
指出，防治重金属污染，对保护土壤生态系统具有重大意义。
It was concluded that tourism activities significantly affected the soil ecosystem in the Zhangjiajie National Forest Park.
旅游活动已对张家界国家森林公园土壤生态系统产生了较大影响。
Soil microorganisms play a major role to soil ecosystem, however littele information is available about soil microorganisms of degenerated ecosystem.
土壤微生物在土壤生态系统中的作用重大，然而退化生态系统有关土壤微生物的研究相对缺乏。
Therefore, the behavior of antibiotics in soil environment and their interaction with soil ecosystem has become an important research topic of soil science.
因此，有关抗生素在土壤中的环境行为及其与土壤生态系统的相互作用己成为土壤学与环境科学研究的重要课题。
Soil environmental capacity is the maximum tolerable amount of pollutants inputed into a soil ecosystem, which still maintains its normal structure and functions.
土壤环境容量是输入土壤生态系统污染物的最大允许负荷，此时该系统仍保持正常的结构和功能。
This article expounds the effects of pollution of heavy metals on soil organisms and soil enzyme activities, discovers the harm of pollution of heavy metals on soil ecosystem.
本文通过阐述重金属污染对土壤生物及土壤酶活性的影响，揭示了重金属污染对土壤生态系统的危害。
The leading factors of soil ecosystem in arid area are discussed based an the application of the principle and method of grey relational gradation, the important part of grey system theory.
本文应用灰色系统理论—灰色关联识别原理和方法，探讨干旱区土壤生态系统的主导因子识别。
If farmers were required to restore the farms with their acidified, compacted soil so that the mangrove ecosystem could thrive again, shrimp farming wouldn't be worthwhile.
重建红树林生态系统的繁荣需要农民们修复已酸化、密实的土壤，那么虾厂就一文不值了。
Talk of “ecosystem services” now draws attention to the helpful things that nature does unbidden, such as providing fresh soil and clean water.
对于“生态系统服务”的谈论让人们注意到有益的事情——无论是提供原油还是净化水域，自然并非自愿为人类提供服务。
The air we breathe, the water we drink and the soil that grows our food are part of a delicate global ecosystem that is increasingly under pressure from human activities.
我们呼吸的空气，饮用的水，生长食物的土壤，是全球脆弱生态系统的一部分，这一系统所承受的人类活动的压力日益加大。
Soil active carbon provides more energy for soil microbe and the process of nutrients cycling in freshwater marsh ecosystem is accelerated.
湿地土壤中的活性有机碳可以为土壤微生物提供更多的有效能量，从而加快湿地生态系统养分循环过程。
Artifical improvement of soil fertility in a regraded forest ecosystem by using municipal sewage sludge.
城市污泥对退化森林生态系统土壤的人工熟化研究。
Soil carbon is an important part of terrestrial ecosystem carbon cycle.
土壤碳是陆地生态系统碳循环的重要组成部分。
Soil process is one of the key processes of terrestrial ecosystem, which responds and feeds back to the global change.
土壤过程是陆地生态系统过程的重要组成部分，对全球变化有响应和反馈作用。
Ecosystem conversion affects the dynamic change and cycle of soil organic carbon and environmental quality.
生态系统转换影响土壤有机碳的动态、循环及环境质量。
They can actually put this in their natural ecosystem without any processing, and it's going to improve the local soil.
它们可以无需任何处理就放进当地生态系统中，改善当地土壤质量。
With the degeneration of vegetation, decreasing of soil nutrients results in regressive successions in red earth ecosystem.
随着植被的逆向演替，土壤养分减少，导致低丘红壤生态系统恶化。
The importance of soil biotic interactions for community and ecosystem ecology is illustrated through the use of numerous examples and case studies.
生命相互作用给共同和生态系统生态学被透过使用很多例子和案例研究说明的土壤的重要性。
The study on soil physical and chemical characteristics of wetland rice-duck complex ecosystem.
湿地稻-鸭复和生态系统的土壤理化性状的研究。
As a main group of animals in the soil, the earthworms play important functions in ecosystem.
蚯蚓是土壤中的主要动物类群，在生态系统系统中具有重要的功能。
The effect and harm of acid deposition on soil and vegetation of forest ecosystem were studied according to guidelines and technical manuals for acid deposition monitoring network in East Asia.
笔者根据东亚酸雨监测网土壤和植被监测技术规范方法，研究了酸沉降对森林生态系统土壤和植被的影响和危害。
Potassium(K) balance in purple soil rice field ecosystem under rice-wheat rotation were studied on the National Purple Soil Fertility and Fertilizer Efficiency Monitored Base.
在国家紫色土肥力与肥料效益监测基地上，研究了稻麦轮作制度下紫色土稻田生态系统中钾素的平衡状况。
Because of thin solum and lower soil loss tolerance, the ecosystem in Karst region is very fragile. The vegetation is difficult to recover after destruction.
喀斯特区由于土层薄、土壤允许流失量低，生态系统十分脆弱，植被破坏后难以恢复。
Because of thin solum and lower soil loss tolerance, the ecosystem in Karst region is very fragile. The vegetation is difficult to recover after destruction.
喀斯特区由于土层薄、土壤允许流失量低，生态系统十分脆弱，植被破坏后难以恢复。
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