土地退化

在一些干旱地带存在严重的土地退化问题。

There are serious problems of land degradation in some arid zones .

基于GIS的喀斯特土地退化灾害风险评价&以广西都安瑶族自治县为例

GIS-based risk evaluation of karst land degradation disaster : a case of Du'an Yao Autonomous County

本文首先从地理空间分布入手，结合GIS软件绘图方法来论证土地退化与贫困是否存在相关性。

This text was proceeding with geographical space distribution at first ; combine with GIS software drawing method to prove relativity between land degradation and poverty .

利用RS、GIS技术研究证明，目前整个区域土地退化面积533180hm2，约占区域总面积的20%。

The research by RS , GIS technology demonstrates that the land deterioration area in the whole region at present is 533180 hm ~ 2 , accounting for 20 % of the total area .

简要地介绍了土壤微形态研究方法及其在农业生态与土地退化研究中的应用，并回顾了近20a的国际土壤微形态研究的内容与进展。

The present paper gives a brief introduction to soil micromorphology and its application on agro-ecology and land degradation .

本文利用RS与GIS技术手段分析了内蒙古农牧交错带中部地区荒漠化情况，得出结论如下：①研究区土地退化主要以草地、耕地退化为主。

Using RS and GIS technology , desertification of the middle part of farming-grazing transitional zone in Inner Mongolia are analyzed in this paper . The conclusion are as follows : ① In research region , land degeneration give priority to degeneration of grassland and cultivated land .

利用LANDSATTM影像，对河北坝上地区1986年和2000年的土地退化，包括土地沙化、盐渍化和水土流失状况进行了分析，根据土地退化的成因，提出了退化土地的生态恢复重建的措施。

Using Landsat TM images , land degradation of Bashang region during 1986 and 2000 , including sandy desertification , salinization and water erosion are analyzed . Based on the causes of land degradation , ecological reconstruction measures of degraded land are put forward .

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。

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 .

北京风沙源区土地退化及其趋势分析

Land Degradation in Surrounding Areas of Beijing and Its Changing Trend

花岗岩风化壳土地退化及其危害

Land Degradation in Granite Weathering Crust Region and Its Negative Effects

新疆土地退化现状与基本对策的探讨

Discussion on the Land Deterioration and Its Basic Countermeasures in Xinjiang

福建土地退化危险度及其区域差异规律研究

Land Degradation Danger Degree and Its Spatial Heterogeneity in Fujian Province

土地退化微观经济评估的理论和方法。

The theory and method of micro-economic evaluation to land degradation .

土地退化评价中土壤因子的遥感信息提取研究

Remote Sensing Information Extraction of Soil Factors in Land Degradation Assessment

地表植被减少及湿润指数降低导致土地退化加剧。

Land degradation by the decrease of vegetation and humidity index .

土地退化是现代科学研究中的热点。

Land degradation was one of hotspots in modern scientific researches .

土地退化是碳循环研究的一个热点问题。

Land degradation is a hot issue in carbon cycle study .

干旱区土地退化生态系统的评价方法

The Evaluation Method on Ecosystem of Sand Degradation in Arid Area

土地退化，耕地面积缩减；

The land deteriorated , the farm land area shrank ;

阜新县土地退化的成因及综合治理

Causes and Comprehensive Controls of Land Degradation in Fuxin County

包头市土地退化与复垦研究

Study on the land degradation and recultivation in Baotou City

四川省土壤侵蚀与土地退化研究

Study on Soil Erosion and Land Degeneration in Sichuan Province

中国南方地区土地退化动态变化及人类活动影响

Change of Land Degradation in South China and Impacts of Human Activities

重视和加强中国东部地区土地退化整治研究

Strengthening of land degradation research and management in East China

土地退化和荒漠化可通过复杂的途径影响人类健康。

Land degradation and desertification can affect human health through complex pathways .

福建土地退化的景观敏感性综合评估与分区特征

Evaluation and Regional Analysis on Landscape Sensibility of Land Degradation in Fujian

我国土地退化类型与特点及防治对策

Types and characteristics of land degradation and Countermeasures in China

土地退化已是当前我国面临的严重的环境问题。

The land deterioration is the serious environmental problem in our country .

山西省土地退化与生态重建研究

Study on Land Degeneration and Ecological Reconstruction in Shanxi Province

中国西北地区人口增长对土地退化的驱动作用分析

Impact of Population Growth on Land Degradation in Northwest China