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12 March 2021 Spatial Behavior Characteristics of Land Use Based on Fractal Theory: Taking Poyang Lake Area as an Example
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Abstract

Landscape morphology can reflect the spatial behavior of land use. Using the Poyang Lake area as an example, the landscape pattern characteristics in 1995, 2000, 2015, and 2018 are determined by calculating the fractal dimension, fractal stability, patch density, patch shape fragmentation, and landscape isolation, and fractal theory is used to analyze the spatial behavior of land use. The results show that building land was the land use type which consistently had the highest fractal dimension, but the fractal dimension of building land shows a downward trend, indicating that the spatial form of building land gradually developed in an orderly direction under the action of land use spatial behavior. Paddy, dryland, and forested land were the land use types which always had the lowest fractal dimension, and they are in unstable states. The calculation results of patch density, patch shape fragmentation index, and landscape isolation index supported the conclusions of the fractal analysis. One recommendation for realizing the rational layout of the land is to reduce the fractal dimension of building land through scientific and reasonable planning and to guide the orderly development of building land. For natural landscapes such as forested land, shrub forest land, high-coverage grassland, and water area, their fractal dimensions should be increased to reduce human interference and maintain their stability. Finally, the results of this study suggest that the fractal dimension should be introduced into the National Spatial Planning, and used as an index for evaluating the rationality of the regional land use pattern.

He Yafen "Spatial Behavior Characteristics of Land Use Based on Fractal Theory: Taking Poyang Lake Area as an Example," Journal of Resources and Ecology 12(2), 192-202, (12 March 2021). https://doi.org/10.5814/j.issn.1674-764x.2021.02.006
Received: 30 September 2020; Accepted: 28 December 2020; Published: 12 March 2021
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