| 摘 要： | In order to ensure the effect of land improvement and the sustainable utilization of land resources of gullied rolling loess area, the paper put forward a way of laying equal stress on solving the difficult issue of land development and improvement and eco-environment protection of the area for each link in the implementation of land improvement works based on correlation theories and methods of landscape pattern and ec-ologieal process, including source-sink landscape theory, patch-corridor-matrix landscape structure theory and landscape security pattern the-ory. It explained the application of landscape pattern and ecological process theory to the land improvement of gullied rolling loess area by talking land improvement of Yangjuan gully in Baota District of Yan＇ an City as an example.
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