Songnen Sandy Land lies in the eastern fringe of huge sandy belt of middle latitude inEurasia Continent Here is also the eastern fringe of desertification-prone land in China. Its specialconditions such as biology and...Songnen Sandy Land lies in the eastern fringe of huge sandy belt of middle latitude inEurasia Continent Here is also the eastern fringe of desertification-prone land in China. Its specialconditions such as biology and climate, the history of evolution of sandy land and its location make itpossess features differing from other sandy lands in the country. This article systematitaly discussesthe regional featured such as the historical process, modern process, environmental factors ondesertification and the sandy land landscape and the degree of desertification, and raises some advicesfor rehabilitation and development in this area.展开更多
We analyzed problems of farmers' quality in the new socialist countryside construction,including low educational level,poor specialized skills,and low ideological and ethical quality.These problems become bottlene...We analyzed problems of farmers' quality in the new socialist countryside construction,including low educational level,poor specialized skills,and low ideological and ethical quality.These problems become bottleneck of the socialist countryside construction.In view of these problems,we put forward following countermeasures:speeding up urbanization development,consolidating rural basic education,strengthening rural vocational education,and developing new approaches to improve farmers' ideological and ethical quality.展开更多
The Tibetan Plateau (Qinghai-Xizang Plateau) is a unique biogeographic region in the world, where various landscapes, altitudinal belts, alpine ecosystems, and endangered and endemic species have been developed. A tot...The Tibetan Plateau (Qinghai-Xizang Plateau) is a unique biogeographic region in the world, where various landscapes, altitudinal belts, alpine ecosystems, and endangered and endemic species have been developed. A total of 26 altitudinal belts, 28 spectra of altitudinal belts, 12,000 species of vascular plant, 5,000 species of epiphytes, 210 species of mammals, and 532 species of birds have been recorded. The plateau is also one of the centers of species formation and differentiation in the world. To protect the biodiversity of the plateau, about 80 nature reserves have been designated, of which 45 are national or provincial, covering about 22% of the plateau area. Most of the nature reserves are distributed in the southeastern plateau. Recently, the Chinese government has initiated the Natural Forests Protection Project of China, mainly in the upper reaches of the Yangtze and Yellow rivers. No logging policies have been made and implemented for these areas.展开更多
文摘Songnen Sandy Land lies in the eastern fringe of huge sandy belt of middle latitude inEurasia Continent Here is also the eastern fringe of desertification-prone land in China. Its specialconditions such as biology and climate, the history of evolution of sandy land and its location make itpossess features differing from other sandy lands in the country. This article systematitaly discussesthe regional featured such as the historical process, modern process, environmental factors ondesertification and the sandy land landscape and the degree of desertification, and raises some advicesfor rehabilitation and development in this area.
基金Project of National Social Science Foundation (10BKS019)
文摘We analyzed problems of farmers' quality in the new socialist countryside construction,including low educational level,poor specialized skills,and low ideological and ethical quality.These problems become bottleneck of the socialist countryside construction.In view of these problems,we put forward following countermeasures:speeding up urbanization development,consolidating rural basic education,strengthening rural vocational education,and developing new approaches to improve farmers' ideological and ethical quality.
基金National Natural Science Foundation of ChinaNo. 49871007 The Knowledge Innovation Project of the Institute of Geographic Sciences Natural Resources Research CAS No. CX10G-D00-09
文摘The Tibetan Plateau (Qinghai-Xizang Plateau) is a unique biogeographic region in the world, where various landscapes, altitudinal belts, alpine ecosystems, and endangered and endemic species have been developed. A total of 26 altitudinal belts, 28 spectra of altitudinal belts, 12,000 species of vascular plant, 5,000 species of epiphytes, 210 species of mammals, and 532 species of birds have been recorded. The plateau is also one of the centers of species formation and differentiation in the world. To protect the biodiversity of the plateau, about 80 nature reserves have been designated, of which 45 are national or provincial, covering about 22% of the plateau area. Most of the nature reserves are distributed in the southeastern plateau. Recently, the Chinese government has initiated the Natural Forests Protection Project of China, mainly in the upper reaches of the Yangtze and Yellow rivers. No logging policies have been made and implemented for these areas.
