根据第一段Climatechangeandland-usechangeareprojectedtomakewildfiresmorefrequentandintense,with a globalincreaseofextremefiresofupto 14 percentby 2030,30 percentbytheendof 2050 and 50 percentbytheendofthecentury,accordingto a newreportbytheUNEnvironmentProgramme (UNEP) andGRID-Arendal. (根据联合国环境规划...
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From the respect of the meaning and the researching contents of land use and cover change, the methods for land use change were analyzed. Further, the methods of establishing land use dynamic change model were mainly introduced. These models include land resources quantity change model, land resou...
From the respect of the meaning and the researching contents of land use and cover change, the methods for land use change were analyzed. Further, the meth... W Quan,Z Yang,G Sun - 《Progress in Geography》 被引量: 1385发表: 1999年 土地利用变化对区域生态系统服务价值的影响——以北京市...
Results Changes in the soil C:N, C:P, and N:P values due to the 'Grain-to-Green Program'. The distri- bution of the soil C:N, C:P, and N:P values from 0–20 cm measured after the change in land use under the 'Grain-to-Green Program' Program in China is displayed ...
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STUDY ON THE METHODS OF LAND USE DYNAMIC CHANGE RESEARCH From the respect of the meaning and the researching contents of land use and cover change, the methods for land use change were analyzed. Further, the meth... W Quan,Z Yang,G Sun - 《Progress in Geography》 被引量: 1385发表: ...
One response to humanity's unsustainable use of natural resources and consequent degradation, even destruction of the environment, is to establish conservation areas to protect Nature and preserve biodiversity at least in selected regions. In Qatar, the
The different land use change types were shown to be sensitive to nonpoint pollutants in the study area. The land use change type from upland to water was the strongest influence on changes in total nitrogen and total phosphorus. An empirical regression equation between nonpoint indexes and ...
land use change effects on ecosystem services in tourist area was further analyzed.The result stated that although under the theme of ecological tourism leisure-led development model,the "ecological tourism" meaning had not really reflected in recent years,so the results showed the ecosystem services...