Secondly, it has been argued that the extent, nature and apparent irreversibility of the process has been over-estimated and that degradation in some areas may only be temporary, consequent upon an unfavourable combination of climatic and anthropogenic factors. In southern Africa, a reassessment of ...
1994. Environmental destruction in sheep farming areas of South Africa: Soil erosion, animals and pastures over the longer term. Unpublished discussion paper. Department of Historical Studies, University of Bristol, United Kingdom. Google Scholar Bond, W.J., W.D. Stock and M.T. Hoffman. ...
For example, the Sahel region, spanning across Africa just south of the Sahara Desert, is one of the most well-known areas affected by desertification. As fertile soil erodes and vegetation vanishes, agricultural productivity plummets and famines severely afflict the area. What's more, the deteri...
The karst areas of south China are vulnerable ecological regions, where rockydesertificationis widely developed. 中国南方岩溶区是石漠化广为发展的脆弱生态区域. 期刊摘选 Achievements have been made indesertificationprevention and control. 防沙治沙工作取得积极效果. ...
China has been a pioneer in showing how to create prosperous areas in areas that were once desertified and degraded. And we are proud to partner with you (China) to bring those lessons to other countries," said Valerie Hickey, global director for the environment at the World Bank. China ...
National Geographic, 12 June 2019 By the end of this decade, scientists and models predict that hurricanes and droughts will push people across borders and into refugee camps, many of which will be in areas made flammable bydesertification. ...
“Before,there was not a single scorpion,not a single blade of grass,”said Kropelin,who has studied the region for two decades.“Now you have people grazing their camels in areas which may not have been used for hundreds or even thousands of years.You see birds,ostriches,coming back,eve...
Since 1978, the project has added 32 million hectares to afforestation areas and treated 85.3 million hectares of degraded grassland and 33.3 million hectares of desertified land. Through the program, China has also created the world's largest man-made forest in Saihanba in northern China's Hebei...
Although desertification can happen everywhere, it is an especially big problem in Africa and parts of South America. It is a problem in China as well. Even people who do not live in desert areas can be affected, because the sand from the deserts gets carried by the wind to other areas....
2、There is little doubt, however, thatdesertificationin most areas results primarily from human activities rather than natural processes.(然而,几乎毫无疑问,大多数地区的沙漠化主要是由于人类活动而不是自然过程造成的。) 3、The expansion of desert-like conditions into areas where they did not previously...