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The delineation of permanent basic farmland will safeguard the production baseline of China’s agricultural development by securing easily appropriated, high-quality farmland surrounding urban areas, thereby strictly controlling the use of farmland (especially high-quality farmland surrounding urban areas) facing accelerated urban expansion. This study researched the delineation of permanent basic...
The purpose of this study was to analyze the spatial and temporal patterns of farmland loss and fragmentation and to explore factors that may influence that loss and fragmentation. The study examined changes to farmland in a context of rapid urbanization in Changzhou City, China. It also examined farmland changes in the suburban areas outside the city and in the exurban regions. Time series data from...
Land covers in urban areas trend to change more drastically over a short period of time than elsewhere because of incessant urbanization. These changes are ideally monitored and detected from remotely sensed images as they are relatively up-to-date and give a panoramic view. In this paper we propose a new method based on New Built-up Index (NBI) to automate the process of mapping residential areas...
The change of land use/cover associates with the nature of land recourse and the manner that humankind applied on. This study concerns one of the hot issues about global changes. The land use/cover data could provide essential information for the purpose of protecting environment and fulfill sustainable development. This thesis mainly had the following results:1, Land use/cover maps for the years...
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