Taking agricultural development as the starting point,this paper explored the dynamic mechanism and implementation path of agricultural development in Qinba Mountainous Area from the perspective of man-land relationsh...Taking agricultural development as the starting point,this paper explored the dynamic mechanism and implementation path of agricultural development in Qinba Mountainous Area from the perspective of man-land relationship. It found the regular understanding of ecological changes in Qinba Mountains. It is a comprehensive review and exploration on agricultural development and environmental evolution,and aims to provide a historical reference for the development of the contemporary Qinba Mountains.展开更多
The paper researches on the pattern of man-land relationship of artif icial oasis in the east of north Tian-shan Mountain, the development of Qitai artif icial oasis and its relationship with environment, analyzes the...The paper researches on the pattern of man-land relationship of artif icial oasis in the east of north Tian-shan Mountain, the development of Qitai artif icial oasis and its relationship with environment, analyzes the factors in? uencing the change of Qitai artifi cial oasis and economic growth through grey analysis, and suggests the ap-proaches of sustainable development of Qitai artifi cial oasis. Research shows that the pattern of artif icial oasis and its environment had gone through three phases: the relatively harmonious stage, the unharmonious stage, and the new fragile balance stage. It also shows that the garden and the shelter-forest are useful to the sustainable develop-ment of Qitai oasis according to grey analysis.展开更多
Human beings have had a tremendous i mpact on natural ecosystems and are n ow the principal power to change the biosphere.It is logical t hat we should pay close attention to t he interaction between human system s an...Human beings have had a tremendous i mpact on natural ecosystems and are n ow the principal power to change the biosphere.It is logical t hat we should pay close attention to t he interaction between human system s and environ-mental systems.Taking Minqin basin,Gansu Province,as a case,this paper focuses on the evolution of regional physi-cal environments and the cultural sy stems by which people maintain their relationships with those environme nts.This pa-per presents the conceptual framewo rk for the man-land system.Expectin g to accelerate the regional sustain able develop-ment,it also analyses the evolution ary mechanism of regional man-land s ystem.On the basis of reviewing and a nalyzing the evolution of man-land system in Minqin basin,the paper also brings fo rward an adjusting mode for the studi ed area,which consists of three aspects:to b uild up a concept that economic growt h must harmonize with environmental quality’s and land productivity’s improvemen t;to make a whole planning and management in the drainage area;and to push for-ward the technique of water-saving i rrigation and establish water-saving agricultural system.It’s meanin gful for resource exploitation and sustainable development of Chinese northwestern arid area,which is represented by Minqin basin,by under-standing what great changes the basin has experienced and is experiencin g at the global background,and studying its time order and territorial structure,th e system’s character and law of evolu tion,trend and the regulating ways t o improve man-land relationship.展开更多
【目的】为探索人地协调城镇发展模式,解决绿洲重点经济建设区人地矛盾问题,模拟未来土地利用发展状况尤为重要。【方法】基于土地利用转移矩阵和PLUS(Patch-generating land use simu-lation,PLUS)模型对2000—2020年期间的伊犁河谷土...【目的】为探索人地协调城镇发展模式,解决绿洲重点经济建设区人地矛盾问题,模拟未来土地利用发展状况尤为重要。【方法】基于土地利用转移矩阵和PLUS(Patch-generating land use simu-lation,PLUS)模型对2000—2020年期间的伊犁河谷土地利用变化及其驱动因子进行分析,并设置多种发展情景进行模拟。【结果】结果显示:(1)2000—2020年伊犁河谷土地利用变化明显,其中草地退化严重,不透水面扩张显著,人地矛盾激烈。(2)各地类变化主要驱动因子差异明显,少数地类单因子主导驱动明显,大部分地类多因子复合驱动作用明显。(3)从3种情景模拟结果来看,自然情景以农田和未利用地增加为主,其次不透水面扩张明显;经济发展情景是通过增加不透水面扩张面积来达到最佳经济效益;生态保护情景下草地退化和未利用地扩张得到控制,湿地区域保护加强,实现生态效益显著提升。【结论】对土地利用驱动因子分析,要侧重多因子复合驱动作用的影响。PLUS模型对伊犁河谷土地利用变化模拟适用性较好,多情景模拟土地利用景观格局未来发展,可为伊犁河谷及地理环境相似的绿洲解决人地矛盾,发展人地协调模式提供理论指导与参考。展开更多
基金Supported by Major Project Research of Philosophy and Social Science Research of Ministry of Education"General History of Chinese Agricultural Civilization"(13JZD036)
文摘Taking agricultural development as the starting point,this paper explored the dynamic mechanism and implementation path of agricultural development in Qinba Mountainous Area from the perspective of man-land relationship. It found the regular understanding of ecological changes in Qinba Mountains. It is a comprehensive review and exploration on agricultural development and environmental evolution,and aims to provide a historical reference for the development of the contemporary Qinba Mountains.
文摘The paper researches on the pattern of man-land relationship of artif icial oasis in the east of north Tian-shan Mountain, the development of Qitai artif icial oasis and its relationship with environment, analyzes the factors in? uencing the change of Qitai artifi cial oasis and economic growth through grey analysis, and suggests the ap-proaches of sustainable development of Qitai artifi cial oasis. Research shows that the pattern of artif icial oasis and its environment had gone through three phases: the relatively harmonious stage, the unharmonious stage, and the new fragile balance stage. It also shows that the garden and the shelter-forest are useful to the sustainable develop-ment of Qitai oasis according to grey analysis.
文摘Human beings have had a tremendous i mpact on natural ecosystems and are n ow the principal power to change the biosphere.It is logical t hat we should pay close attention to t he interaction between human system s and environ-mental systems.Taking Minqin basin,Gansu Province,as a case,this paper focuses on the evolution of regional physi-cal environments and the cultural sy stems by which people maintain their relationships with those environme nts.This pa-per presents the conceptual framewo rk for the man-land system.Expectin g to accelerate the regional sustain able develop-ment,it also analyses the evolution ary mechanism of regional man-land s ystem.On the basis of reviewing and a nalyzing the evolution of man-land system in Minqin basin,the paper also brings fo rward an adjusting mode for the studi ed area,which consists of three aspects:to b uild up a concept that economic growt h must harmonize with environmental quality’s and land productivity’s improvemen t;to make a whole planning and management in the drainage area;and to push for-ward the technique of water-saving i rrigation and establish water-saving agricultural system.It’s meanin gful for resource exploitation and sustainable development of Chinese northwestern arid area,which is represented by Minqin basin,by under-standing what great changes the basin has experienced and is experiencin g at the global background,and studying its time order and territorial structure,th e system’s character and law of evolu tion,trend and the regulating ways t o improve man-land relationship.
文摘【目的】为探索人地协调城镇发展模式,解决绿洲重点经济建设区人地矛盾问题,模拟未来土地利用发展状况尤为重要。【方法】基于土地利用转移矩阵和PLUS(Patch-generating land use simu-lation,PLUS)模型对2000—2020年期间的伊犁河谷土地利用变化及其驱动因子进行分析,并设置多种发展情景进行模拟。【结果】结果显示:(1)2000—2020年伊犁河谷土地利用变化明显,其中草地退化严重,不透水面扩张显著,人地矛盾激烈。(2)各地类变化主要驱动因子差异明显,少数地类单因子主导驱动明显,大部分地类多因子复合驱动作用明显。(3)从3种情景模拟结果来看,自然情景以农田和未利用地增加为主,其次不透水面扩张明显;经济发展情景是通过增加不透水面扩张面积来达到最佳经济效益;生态保护情景下草地退化和未利用地扩张得到控制,湿地区域保护加强,实现生态效益显著提升。【结论】对土地利用驱动因子分析,要侧重多因子复合驱动作用的影响。PLUS模型对伊犁河谷土地利用变化模拟适用性较好,多情景模拟土地利用景观格局未来发展,可为伊犁河谷及地理环境相似的绿洲解决人地矛盾,发展人地协调模式提供理论指导与参考。