The causes and environmental effects of land use conversion during agricultural restructuring in Nor

来源 :Journal of Geographical Sciences | 被引量 : 3次 | 上传用户:JK0803_liuchao
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
During the last decade of the 20th century, extensive conversion in agricultural land use took place in Northeast China. The goal of this study is to ascertain its spatial distribution and regional differentiation, determine its causes, and analyze its
其他文献
In the past few dacades, urbanization and urban growth have been increasing rapidly in many of the developing countries. It is expected that over 50% of the world population will live in cities in 200
期刊
Based on investigations of the Zhongwei Nanshan aeolian section situated in the southeastern margin of Tengger Desert, carbon-14 and TL (thermoluminescence) dating results and paleoclimatie proxies su
期刊
The evolvement of a vulnerable ecological region is a dynamic process, which is affected by various factors. During the evolvement process, human activities have a decisive effect. The purpose of stud
期刊
Ecological security is the main task and applied ficld of present geography, resources and environment sciences and ecology. Ecological security evaluation will efficiently promote ecological security
期刊
This paper reviewed the development of Strategic Environmental Assessment (SEA) in China, expounded its functions and regional characteristics, and discussed the targets of SEA in the process of urban
期刊
Nowadays, the research works on landscape at fine scales using high-resolution images are uncommon. This research is based on the analysis of the combination of remotc sensing data (IKONOS imagery acq
期刊
Sandy desertification is land degradation characterized by wind erosion mainly resulted from the excessive human activities in arid, semiarid and part of sub-humid regions in northern China. The resea
期刊
Tourism development surely has social, economic and environmental impacts on tourist destinations. The study on resorts residents attitudes can help understand the nature of tourism development and th
期刊
Although the Songnen Plain in the northeastern China was developed relatively late in the temperate zone of the world, its eco-environment has changed greatly. This paper analyzes the changes of land
期刊
A stochastic model for daily precipitation simulation in China was developed based on the framework of a Richardson-type weather generator that is an important tool in studying impacts of weather/clim
期刊