Construction method of landscape fragmentation degree model based on multi-scale neighborhood analysis

The invention designs a landscape fragmentation Frag model based on multi-scale neighborhood analysis, and provides a Frag construction method and a Frag change analysis method, and the method comprises the steps: obtaining a land classification coverage raster data product of a research area; accor...

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Bibliographic Details
Main Authors QIU DAI, SHA ZONGYAO, FANG HUSHENG
Format Patent
LanguageChinese
English
Published 22.10.2021
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Summary:The invention designs a landscape fragmentation Frag model based on multi-scale neighborhood analysis, and provides a Frag construction method and a Frag change analysis method, and the method comprises the steps: obtaining a land classification coverage raster data product of a research area; according to land coverage classification, calculating similar nearest neighbor distances marked by a given target type pixel by pixel; designing a scale-related landscape breakage index model Frag, and calculating and counting the Frag by using a neighborhood analysis method; and based on a Frag calculation result of the time sequence, performing Frag spatial-temporal change and associated driving factor analysis and scale influence analysis by using a machine learning method. The landscape fragmentation degree spatial-temporal distribution characteristics obtained by using the method can accurately represent the fragmentation distribution condition of the target type landscape from the aspects of scale and structure,
Bibliography:Application Number: CN202110845572