土地沙漠化,land desertification
1)land desertification土地沙漠化
1.Effect of coal mining collapses of the Daliuta coal mine on land desertification;大柳塔煤矿采煤塌陷对土地沙漠化进程的影响
2.Dynamic changes of land desertification landscape pattern in agriculture and pasturage interlaced zone of northern Shaanxi;陕北农牧交错带土地沙漠化景观格局动态变化
3.Formation mechanism of land desertification and adjustment of land use in ecotone between agriculture and animal husbandry in North China;华北农牧交错带土地沙漠化成因与土地利用调整对策
英文短句/例句

1.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
2.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
3.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
4.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
5.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
6.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
7.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
8.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
9.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
10.Status and Role of Natural Factors in Desertification in the Southern Region of Toksun County托克逊县南部区土地沙漠化现状与自然因素在沙漠化的作用
11.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
12.Research on Desertification of Uxin Qi in Inner Mongolia内蒙古乌审旗土地沙漠化退化过程研究
13.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
14.Optimization of land use structure in sandy desertification region in North China;我国北方沙漠化地区的土地利用结构优化研究
15.The desert is barren land.沙漠是贫瘠的土地。
16.Desertification in the transition zone between Mowusu sandy land and Loess Hill Region;陕北毛乌素沙地与黄土区过渡地带荒漠化研究
17.Analysis on the Dynamic Land Use Change in the Ulanbuh Desert Region;乌兰布和沙漠地区土地利用动态变化分析
18.Dynamic Analysis And Prevention Countermeasure Of Desertification Soil In Alashan League阿拉善地区沙漠化土地动态分析及修复对策
相关短句/例句

desertification[英][d?,z?:t?f?'ke??n][美][d?'z?t?f?'ke??n]土地沙漠化
1.The Current Situation and Control Strategy of Desertification of Shanxi Province;山西省土地沙漠化的现状及防治对策
2.Land desertification of the northern Loess Plateau in China;黄土高原北部风沙区土地沙漠化问题及防治对策
3.Origin and control of desertification in Maqu County;玛曲县土地沙漠化成因及治理
3)sandy desertification土地沙漠化
1.A superficial analysis on sandy desertification problem in Bashang area;浅析坝上地区土地沙漠化问题
2.The problem of sandy desertification in China is researched by the way of environment ethics in this paper.从环境伦理学视角分析了中国的土地沙漠化问题,认为我国土地沙漠化的发生发展有科学环境伦理观缺失的原因,但环境伦理问题并不是中国土地沙漠化的唯一根源,故我国土地沙漠化问题的根除也不是仅仅通过环境伦理学途径就可以完全解决的,但环境伦理学的建设及大众环境伦理意识的提高对土地沙漠化的防治将产生重要作用。
3.The research result shows that sediments of different geologic genetic types are the fundamental material source of sandy desertification in these areas and the .为了研究毛乌素沙地沉积物的粒度特征与土地沙漠化的地质成因类型,通过系统研究沙地及相邻地区晚更新世以来在沙地内部、覆沙黄土区、黄土高原和河流谷地与湖泊等不同地质构造地貌条件下所形成的沉积物粒度特征,指出不同地质成因类型的沉积物是这些地区土地沙漠化的物质基础,区分不同类型的沉积物也是构成不同地质成因类型土地沙漠化分类的理论基础,探讨了不同地质作用对土地沙漠化的贡献及其对土地沙漠化防治方面的意义。
4)sandy desertification land沙漠化土地
1.Through conducting field investigations and using digital methods of remote sensing and geographical information system techniques,we analyzed the dynamic changes of sandy desertification land of the north of Otindag sandy land based on the TM images of 2000 and 2005.3等GIS软件,对浑善达克沙地以北地区的沙漠化土地进行了动态监测研究和分析。
5)desertified land沙漠化土地
1.The results showed that: In the past nearly 20 years,the desertified lands were in the s.结果表明:该地区近20 a来,沙漠化土地处于逆转—发展—逆转的过程中;半固定沙丘面积变幅最大,而流动沙丘面积变幅最小;就斑块数量而言,近20 a来,沙漠化土地斑块数量大体呈现增长的趋势,其中,流动沙丘的斑块数量呈现减少—增加—减少的变化趋势,而其余类型的沙漠化土地斑块数量均有不同程度的增加。
2.The evolvement of sandy desertified land in Horqin region for the last 5 decades was dynamically monitored and analyzed based on the grading indexes of desertified lands and the effective monitoring method.在明确了沙漠化土地的程度分级及其指标、监测方法的基础上,对科尔沁地区近50a来的沙漠化土地进行了遥感动态监测和分析。
3.The results showed that in past 20 years,the desertified land in Baxiantong,where the desertification process was mainly affected by human activities,had a greater change extent,which represented in the transformation from mobile and semi-fixed sands to fixed sands and from fixed sands to cropland and woodland.结果表明:近20年来,以人为活动干扰为主的区域(八仙筒镇),沙漠化土地变化幅度较大,各种沙漠化土地的转化主要表现在沙漠化土地中流动和半固定沙地向固定沙地转化、固定沙地向农田和林地转化;以自然干扰为主的区域(苇莲苏乡),沙漠化土地变化幅度较小,主要表现为各种沙地类型之间的转换;在人为活动为主的区域固定沙地的空间格局变化显著,1985—1995年固定沙地的联合度降低,人为活动干扰较强,而1995—2005年联合度增高,人为活动干扰相对较弱;在自然干扰为主的区域,同一时期空间格局的变化明显的是流动沙地,在1985—1995年,流动沙地斑块破碎度减小,流动沙地发育显著,在1995—2005年,流动沙地的破碎度继续减小,但其面积得到控制,表明治沙效果在这一时期是显著的。
6)desertization land沙漠化土地
1.Based on form and change characteristics of desertization land in Inner Mongolia, disvision index and evaluation index of desertization degree at home and abroad have been discussed, new evaluation index of desertization has been put forward.本文从内蒙古地区沙漠化土地形成及变化特征入手 ,研讨了国内外沙漠化程度划分指标及评价指标 ,并提出新的沙漠化评价指标 ,使沙漠化评价更具真实
2.By use of satellite photograph, characteristics of landscape index of desertization land in research area have been discussed.利用卫片解译资料 ,探讨了研究区沙漠化土地的景观指数特征 ,同时利用马尔科夫转移矩阵分析了沙漠化土地景观格局的变化 ,确定了研究区各景观要素的转移概率和年平均转化速
延伸阅读

土地沙漠化土地沙漠化沙漠是干旱气候的产物,早在人类出现以前地球上就有沙漠。但是,荒凉的沙漠和丰腴的草原之间并没有什么不可逾越的界线。有了水沙漠上可以长起茂盛的植物,成为生机盎然的绿洲;而绿地如果没有了水和植物,也可以很快退化为一片沙砾。而人们为了获得更多的食物,不管气候、土地条件如何,随便开荒种地、过度放牧;为了解决燃料问题,不管后果如何,肆意砍树割草。干旱和半干旱地区本来就缺水多风,现在土地被蹂躏、植被遭破坏,降水量更少了,风却更大更多了,大风强劲地侵蚀表土,沙子越来越多,慢慢地沙丘发育。这就使可耕牧的土地,变成不宜放牧和耕种的沙漠化土地。