The social causes of land degradation in dry regionsPeter Little
Overgrazing accounts for 35% of land degradation, followed by thefigures fordeforestation andover-cultivation, at 35% and 28% respectively. The further (接下来,最小值)7% is caused by other reasons. Europe had the highestproportion of land degraded, at 23%, while in figure for Oceania was low...
您必须太做曲拱 (装饰为我请求您) 在电子邮件的电路微型motos。 [translate] apotted flowering orchids 正在翻译,请等待... [translate] acauses of worldwide land degradation 全世界土地退化的起因 [translate] 英语翻译 日语翻译 韩语翻译 德语翻译 法语翻译 俄语翻译 阿拉伯语翻译 西班牙语翻译 葡萄牙语翻译 ...
Europe was the most affected with just under a quarter of its land degraded. This was due to deforestation at 9.8% and over-cultivation at 7.7%. In Oceania, 13% of the land was damaged mainly by overgrazing. Finally, America had the lowest proportion of land degradation with just ...
Essay evaluations by e-grader Grammar and spelling errors: Line 3, column 285, Rule ID: WHITESPACE_RULE Message: Possible typo: you repeated a whitespace Suggestion: ...rn as only 7% contributes to the issue. The causes of land degradation varies in... ...
Land degradation means: 1. Loss of natural fertility of soil because of loss of nutrients. 2. Less vegetation cover ADVERTISEMENTS: 3. Changes in the characteristic of soil. 4. Pollution of water resources from the contamination of soil through which water sweeps into ground or runoff to the ...
Movingwateris the most important natural erosional agent. The wastage of the seacoast, or coastal erosion, is brought about mainly by the action of seawavesbut also, in part, by the disintegration or degradation of sea cliffs by atmospheric agents such asrain,frost, and tidal scour. Seawaveer...
The causes of tropical deforestation in Ecuador: A statistical analysis Agricultural colonialists claim at least 36% of the Amazon region of eastern Ecuador and are clearing this land of its rainforests. Researchers use cens... D Southgate,R Sierra,L Brown - 《World Development》 被引量: 378发...
Land Degradation in Mediterranean Environments of the World: Nature and Extent, Causes and Solutions, edited by A. J. Conacher and M. Sala. Wiley, Chichester, 1998. ISBN 0 471 96317 8, £85·00 (hardback), xxviii+491 pp.doi:10.1002/(SICI)1099-145X(200003/04)11:2<195::AID-LD...
Desertification is a land degradation process in the sense that the biological productivity, biodiversity, and/or fertility of the region is reduced. The reduction of vegetation and deforestation are generally the main mechanisms that result in a region becoming a desert. Desertification examples ...