land desertification是什么意思

网络释义

用法例句

Study on Remote Sensing of the Degree of Land Desertification in the West of Ji Lin Province;

吉林西部土地沙化程度遥感研究

Based on the field research,correlativity of land desertification and water resources(including natural precipitation,ground run off,groundwater),population,cultivated land,livestock,and grain output were analyzed quantitatively by using mathematical statistics method.

以甘肃民勤县土地沙化为研究对象,在实地调查研究的基础上,采用数理统计的方法,对土地沙化与水资源(包括自然降水、地表径流、地下水)、人口、耕地、林地、牲畜、粮食产量等因素之间的相关性进行了定量分析,科学揭示出了民勤土地沙化扩展加剧的驱动机制,为综合整治土地沙化问题提供了科学决策依据。

Based on the data of field investigation,monitoring and remote interpretation and referring to the data researched by predecessors,the monitoring condition of land desertification of north-west area of Sichuan province is presented and the desertification cause is analyzed.

根据野外调查、监测与遥感解译,结合前人研究资料,论述了对川西北地区沙化土地的监测情况,分析了其沙化原因,川西北土地沙化有自然因素和人为因素2个方面。

Analysis on Dynamic Monitoring of Desertification and Its Influencing Factors in Ruoergai County;

若尔盖县土地沙化动态监测与影响因素分析

Based on the field study on the land desertification in northwest Sichuan Province,the authors of this paper analysized the current state and cause of land desertification in northwest Sichuan Province.

对川西北土地沙化情况进行了实地考察,分析了川西北土地沙化的现状特点及其发生原因,并从科学发展观和构建社会主义新农村的高度,对川西北土地沙化提出了防治对策,以便为更好促进全国防沙治沙工作提供科学决策依据。

Grassland degradation and desertification have become one of the prominent environmental problems in the Zoigê area.

草地退化、土地沙化等问题已成为若尔盖地区突出的环境问题之一。

The Historical Evolution of the Soil Desertification in the Middle and Northern Areas of Ningxia Hui Nationality Autonomous Region;

试论宁夏中北部土地沙化的历史演进

Main factors analysis about soil desertification in typical section of interlock area of farming and pasturing:the case of Zhangbei County, Bashang Area of Hebei Province;

农牧交错带典型地段土地沙化主要因素分析——以河北坝上张北县为例

Exploration on soil desertification problem and controlling measures of heping gazing land;

和平牧场土地沙化问题及防治途径的探讨

This paper analyzes the present situation of the harms of the desertification of the land, probes into the methods for restoring the vegetation of the desertified land puts forward some technical requirements for the tree planting in the vegetation restoring of the desertified land.

对土地沙化危害的现状进行了分析,探讨了沙化土地植被恢复的方法,提出了植苗造林在沙化土地植被恢复中的技术要求。

Based on the third desertified land monitoring on Henan Provice and instructed by the ecological restoration theory,the existing problems during desertified land treatment on Henan Province were probed.

以河南省第三次荒漠化沙化土地监测为依据,以生态恢复理论为指导,探讨河南省沙化土地治理中存在的问题,提出生物治理措施中要遵循自然法则和社会经济技术原则,以乡土植被恢复为主,乔灌草合理配置,建设多层次、多类型的防风固沙林与农林复合生态防护体系;并针对不同沙地类型提出相应的治理模型。

This paper, using the data collected in 1994 and 1999 from the macro-level monitoring of key wind and sandstorm affected areas in northwest Liaoning Province, gives a systematic analysis to the status quo of harnessing the desertified land, existing issues and development trend, and also puts forward suggestions for dealing with such issues.

以辽宁省1994年和1999年两期西北部重点风沙区宏观监测资料为依据,系统分析沙化土地治理现状、问题及演变趋势,并提出解决问题的建议。

Remote sensing monitoring of sandification is a key technique to collect the status and dynamics of sandy land,providing scientific bases for the national sandification control.

沙化土地遥感监测是采集沙化土地现状及其动态变化的重要技术手段,能够为国家防沙治沙提供重要的科学依据。

By analyzing the quantity relationship between spectral property and sandy land,the variation rules of spectral property of surface features were found,and thus the evidence was provided to the extraction and quantitative analysis of sandy land in respect of spectrum.

分析地物光谱特征与土地沙化间的数量关系,找出地物光谱特征变异的规律,从地物光谱的角度为遥感影像中沙化土地提取和定量分析提供依据。

Since 1980s,Kang- zhuang has experienced great change,the bare sandy land area decreased greatly,from 2 117.

从20世纪80年代至今,康庄沙化土地景观类型发生巨大变化。

According to the 3rd monitoring of desertification land of Henan province,there are 646,275.

根据河南省第三次沙化土地监测,全省现有沙化土地面积646 275。

According to the differences & similarities of the desertification land in China, the closure of nature reserves of national deserted land is divided into 3 types, 10 key protection area, 4 prior pilot demonstration areas.

依据我国沙化土地的差异性和趋同性,将我国国家级沙化土地封禁保护区划分为3个类型区、10个封禁保护重点区域、4个优先启动的沙化土地封禁保护试点示范区,并对其自然条件、生态状况作了详细论述。

In order to know the effect of different vegetation resume measure on soil physicochemical properties of desertification land,representational vegetation resume measures were chosen such as different plant condition,different mixed forest in Huang Yangtan.

为全面了解不同植被建设措施对沙化土地理化性质的影响,在黄羊滩地区选取不同树种、不同配置结构中具有代表性的植被建设措施,按随机抽样布点,分层取土样。

Research for Sandification District s Land Use Change and Impact on Land Sandification in Songyuan City;

松原市沙区土地利用变化及其对土地沙化的影响研究

Advances in Researches on Land Desertification Remote Sensing Information-extracting Technology

土地沙化遥感信息提取技术研究进展

History and Present Status of Desertification in Horqin Sandy Land Region;

科尔沁沙地土地沙漠化的历史与现状

Soil Chemical Properties of Sand-fixing Forests in Maowusu Sandland

毛乌素沙地固沙林土壤化学性质差异

Analysis on the Changes of Land Desertification in Hulunbeier Sandy Land Area over the Last 10 Years

呼伦贝尔沙地近十年来土地沙漠化变化分析

Studies on the Temporal and Spatial Changes of Desertification in Horqin Sandy Land during the Recent 100 Years;

近100年科尔沁沙地土地沙漠化时空变化研究

Challenge to the desertification reversion in Horqin Sandy Land

科尔沁沙地沙漠化土地恢复面临的挑战

Research on Spatio-Temporal Change of Sandy Desertification in Hunshandake

浑善达克沙地土地沙漠化时空演变规律研究

A Preliminaery Study of Land Desertification and Its Combating in Kubuqi Area;

库布齐地区土地沙漠化及其防治研究

Land-use and Cover Change of Coarse Sand Area in Middle Reaches of Yellow River;

黄河中游多沙粗沙区土地利用与覆盖变化分析

Analysis of land use pattern change in coarse sandy region of middle reaches of Yellow River

黄河中游多沙粗沙区土地利用格局变化分析

A Quantitive Analysis on the Factors of Desertification in Brownsand Region of the North of Loess Plateau

黄土高原地区北部风沙区土地沙漠化因素的定量分析

By 2007, all the potential desertifying farmlands will be under control.

到2007年基本完成潜在沙化土地的治理。

By 2007, the desertifying lands will be under control.

2007年基本完成潜在沙化土地的治理；

A Study on Desertification Based on RS and GIS Methods in Dunhuang City

基于RS和GIS的敦煌市土地沙漠化研究

Study on Ecological Compensation System and Land Desertification Controlling

生态补偿制度与土地沙漠化治理研究

The Dynamic Change of Land Desertification of Dalate County in Inner Mongolia

内蒙古达拉特旗土地沙漠化动态研究

Study on the Land Desertification in Five Banners(Counties) of South Xilingol League

锡林郭勒盟南五旗(县)土地沙漠化研究