vegetation system

The assessment system of ecological quality indices ( EQI) consisting of organism abundance index, vegetation cover index, rivers density index, land deterioration index and pollution load index was used to investigate ecological environmental quality of Hunan province.

以生物丰度指数、植被覆盖指数、水网密度指数、土地退化指数、污染负荷指数为评价因子，运用生态环境质量指数（EQI）的评价体系，对湖南省生态环境进行了分析与评价。

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The whole system is composed of eight subsystems. They are digital minerals subsystem, digital touring subsystem, digital weather forecast subsystem, digital zoology subsystem, digital land subsystem, digital water resource subsystem, digital vegetation subsystem and stability of the earth's crust subsystem.

系统主要由8个子系统构成，即数字矿产、数字旅游、数字气象、数字生态、数字国土、数字水资源、数字植被和地壳稳定性子系统。

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As a important component of water conservation forest ecosystem, understorey vegetation system plays a principal part of forest hydrological benefits.

林下植被&土壤作为水源林生态系统的重要组成部分，是发挥森林水文生态功能的主体之一。

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Ecological knowledge knowed by humankind mostly come form the study to natural vegetation system.

人类关于生态学方面的知识，大部分来源于对自然植被系统的研究。

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The effects of the sandbreak forest system in Yulin sandy area on the sandbreak, soil improvement and natural vegetation recovery were studied by investigating their configuring structure and species.

通过对陕北榆林风沙区防风固沙林体系的配置结构、树种组成、防风固沙效益、改良土壤的作用以及对天然植被的影响等的调查、观测和分析，结果表明：其配置结构较为合理。

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Under exclosure conditions, vegetation restoration and litter accumulation not only effectively protected soil from loss through wind erosion, but also significantly increased plant soil system carbon storage, and thus sequestration of atmospheric carbon.

采取围封恢复措施后，植被恢复和凋落物积累使土壤免遭风蚀，也显著增加了土壤有机质的输入，因而显著作用于大气C的截存。

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A study on Management Effect of Tamarindus indica Vegetation System on Degraded Eco-system of Yuanmou Dry and Hot Valley

罗望子林人工植被系统对元谋干热河谷退化生态系统的治理效应研究

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The role of vegetation in dynamic and sedimentary processes was revealed in 1985-1991 based on current, wave, and flat height surveys and analyses of sedi-ments and seaweed culture area in the tidal flat and salt marsh system of the Chang-jiang Delta and North Jiangsu coasts.

根据1985&1991年对长江三角洲和苏北潮滩-潮沼系统中潮流和波浪观察、滩面高程量算、沉积物分析和人工海草试验，研究植物对潮滩动力和沉积的影响。

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After the analysis of the theory of slope protection 、 choosing principle of vegetation slope protection and the rain on the slope erosion process, we got index system through goal-level method.

在对植被护坡机理，护坡植被选择原则以及雨水对边坡冲蚀过程进行分析的基础上，运用目标层次法得到植被护坡效果评价的指标体系。

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Using vetiver grass hedgerow erodedlanderoded hill ecologic system rehabilitation through soil and vegetation restoration.

分析了香根草篱带种植后植被与土壤变化过程,介绍了草篱带建立的方法.

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