Study on Forest Eco-Products Value Changes for Karst Desertification Control in South and North China
Abstract
The forests in the dolomite karst region provide people with a variety of ecological products, and the realization of its value is related to the protection of forests and the well-being of local residents. In this paper, the spatial and temporal pattern and change rule of the value of forest ecological products from 2000 to 2020 are investigated through three forest study areas in China's southern and northern rocky desertification control. The equivalent factor method is used to calculate the value of forest ecological products, and Arc GIS and other tools are used for visualization and analysis. It was found that the forest land area in the three study areas was mainly forest-dominated, and the value of ecological products showed a fast and then slow decline rate in the southern region. The two study areas in the north, on the other hand, showed a gradual increase over the years in the study area of Yixian, while Zunhua showed an increasing and then decreasing trend of change. Meanwhile, different ecological product value realization path models are proposed according to the value changes in the study areas. The results of the study provide theoretical and practical support for the sustainable development of forests in karst desertification control areas, and have important academic and application values.
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