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Accepted Paper:

Mapping and assessing peri-urban agriculture in Nanjing: Sustainable land transformation for urban-rural fringe  

Author:

Luoman Zhao (RWTH Aachen University)

Paper short abstract:

This research has analyzed and mapped three kinds of land in peri-urban area of Nanjing and tried to adjust the unsuitable land transformation in urban planning and improper use of farmlands according to sustainable assessment results.

Paper long abstract:

With rapid urbanization, urban-rural fringe in China is changing dramatically and a lot farmland has transformed to construction land. The urban-rural junction is a composite area of a trinity of urban construction land, rural construction land, and agricultural land. Farmers are forced to move from villages to high residential buildings and a great number of migrants live in peri-urban areas. Some residents make a living through peri-urban agricultural land. Changes of land use in the peri-urban area are extremely rapid and irreversible. In view of this, maintaining a certain amount agricultural land in the urban-rural fringe is of great significance for ensuring national food security, ensuring the daily needs of urban residents, and adjusting urban living environment and climate conditions.

This research has analyzed and mapped three kinds of land in peri-urban area of Nanjing including construction land, agricultural land and other green land through database form Nanjing Planning and Natural Resources Bureau and Google Earth. Then farmlands which will be transformed in urban planning and farmlands which are not protected and might be transformed in the future are extracted by comparison of current land use and urban planning of Nanjing. Sustainable assessment indicators are proposed to link with spatial characteristics of urban-rural fringe. In the end, this research tried to adjust the unsuitable sites and adverse environmental conditions or improper use of farmlands according to assessment results.

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