A landscape pattern analysis-based methodology framework for Regional Planning Environmental Assessment (RPEA) was proposed in this study. It was developed for solving the shortcomings of the existing RPEA methods on security evaluation and systematical optimization of planned landscape pattern. The criterion for landscape pattern security evaluation and the indicators were established for landscape pattern dynamic analysis, i.e. cumulative environmental effect assessment. The analysis was conducted for population structure, landscape organization openness and landscape heterogeneity. The proposed methodology framework can reflect the main features of landscape pattern security, which will be helpful to carry out systematically dynamic analysis for the changes of regional landscape patterns before and after regional planning, and thus discriminate its defects in security. The developed method has universality, which can be applied to various scales of regional landscape pattern planning and RPEA. It can provide scientific support and practical basis for optimization of regional landscape pattern and industrial layout and enhancing regional landscape pattern security and sustainability. The case study results demonstrate the simplicity, practicability and application value of the proposed methodology framework. Compared with the original results, the security of the optimized landscape pattern was apparently improved. Therefore it can serve as a guide for implementation and management of regional landscape pattern planning. However, due to the limitation of insufficient data and information, the proposed classification criterion of landscape pattern security evaluation is a half quantitative criterion and tentative exploration. The distinction between levels is not fine enough. Further studies can be done to explore and subdivide the security and relatively secure levels, and the relatively secure level and insecure level. But it is believed to be of great value, especially the quantitative relationship between landscape pattern index and its security levels. The corresponding space control method should be the focus in the next studies.
GUO Huai-cheng, DU Xiao-shang, LIU Yong, ZHOU Feng, HE Cheng-jie
. A landscape pattern analysis-based methodology framework for regional planning environmental assessment (RPEA)[J]. GEOGRAPHICAL RESEARCH, 2011
, 30(9)
: 1713
-1724
.
DOI: 10.11821/yj2011090015
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