Evaluation method for landscape fragmentation index

An evaluation method and technology of fragmentation, applied in the field of landscape ecology, can solve the problems of lack of quantitative analysis methods for landscape fragmentation patterns, and achieve the effect of avoiding the problem of index deviation

Inactive Publication Date: 2018-07-31
CHINESE RES ACAD OF ENVIRONMENTAL SCI
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Problems solved by technology

[0005] The embodiment of the present invention provides an evaluation method of the landscape fragmentation index to solve the lack of a unified quantitative analysis method for the landscape fragmentation pattern in the prior art

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  • Evaluation method for landscape fragmentation index
  • Evaluation method for landscape fragmentation index
  • Evaluation method for landscape fragmentation index

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[0052]The following description and drawings illustrate specific embodiments of the invention sufficiently to enable those skilled in the art to practice them. The examples merely represent possible variations. Individual components and functions are optional unless explicitly required, and the order of operations may vary. Portions and features of some embodiments may be included in or substituted for those of other embodiments. The scope of embodiments of the present invention includes the full scope of the claims, and all available equivalents of the claims. Herein, various embodiments may be referred to individually or collectively by the term "invention", which is for convenience only and is not intended to automatically limit the scope of this application if in fact more than one invention is disclosed. A single invention or inventive concept. Herein, relational terms such as first and second etc. are used only to distinguish one entity or operation from another witho...

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Abstract

The invention discloses an evaluation method for a landscape fragmentation index, and belongs to the technical field of landscape ecology. The evaluation method comprises the steps of obtaining satellite remote sensing image data of the land under test; interpreting according to the satellite remote sensing image data to obtain multiple landscape indexes of the land under test; and calculating thelandscape fragmentation index according to the multiple landscape indexes of the land under test. The landscape fragmentation index obtained according to the method disclosed by the invention can accurately reflect the fragmentation degree of the landscape in an area, thereby facilitating the study for the landscape fragmentation. The method integrates multiple landscape indexes, thereby being capable of effectively avoiding a problem of index deviation caused by the regional heterogeneity. The method is conducive to the analysis for a spatial distribution pattern of the regional landscape fragmentation. The extraction method of the invention has the characteristics of universality, high efficiency simplicity and convenience.

Description

technical field [0001] The invention relates to the field of landscape ecology, in particular to an evaluation method of landscape fragmentation index. Background technique [0002] Land use and land cover change are important components of global change, and fragmentation is an important feature of landscape pattern evolution. Currently, there are some landscape indices that can be used to indirectly describe regional fragmentation, but there is a lack of a specific landscape index To quantitatively describe the degree of fragmentation. [0003] The development of spatial analysis technology and software provides technical conditions for the study of spatial landscape patterns. Using the landscape index model combined with spatial remote sensing calculations, using effective grid connectivity, morphological features, and shape indices to study regional fragmentation patterns is a common method, but there is still a lack of unified measurement methods for describing fragmen...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/62G06K9/00G06F17/30
CPCG06F16/29G06V20/182G06F18/2135
Inventor 付刚李俊生齐月高晓奇肖能文任梦云
Owner CHINESE RES ACAD OF ENVIRONMENTAL SCI
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