Spatial Morphology Identification of Well-facilitated Farmland Construction Based on Patch Scale
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    Abstract:

    Well-facilitated farmland construction is an important strategy to ensure food safety. It is meaningful for improving regulation efficiency to quickly determine whether farmland construction is of high standard or not. Well-facilitated farmland has its remarkable features in engineering layout and structure,and has distinctive spatial morphology compared with regular farmland. In order to quickly recognize well-facilitated farmland,based on patch scale,a system for identifying spatial pattern was established,considering patch size,patch shape index,spatial relationship of patch with pathway,irrigation channel,drainage and shelter. Using this system,the case of Songyuan land consolidation project located in Jilin Province was looked into, and it was found that 129 patches (78.2% of the total cultivated land area) completely met the criteria of wellfacilitated farmland,and 43 patches can not completely meet criteria. These 43 patches were characterized by the spatial structure below the form requirements for strip farmland,insufficient farmland shelter construction and irrigation facilities. The results indicated that spatial morphology can be regarded as an important criterion for judging whether a farmland was wellfacilitated or not. The morphology can not only help recognize the patches that met the requirement of well-facilitated farmland construction,but also analyze the insufficiencies in constructing a well-facilitated farmland. The research result can provide reference for improving the current regulation system of wellfacilitated farmland construction.

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History
  • Received:April 18,2018
  • Revised:
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  • Online: July 10,2018
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