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Landscape connectivity acquisition method and system supporting two-way change of habitat

An acquisition method and technology of connectivity, applied in the field of landscape ecology, can solve the problems of large uncertainty of connectivity index and complex calculation formula, and achieve the effect of reducing radiation distortion, high quality and small amount of data

Active Publication Date: 2021-08-17
XI AN JIAOTONG UNIV
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Problems solved by technology

Therefore, there is great uncertainty in the connectivity index calculated based on the graph theory method, and the calculation formula is also complicated

Method used

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  • Landscape connectivity acquisition method and system supporting two-way change of habitat
  • Landscape connectivity acquisition method and system supporting two-way change of habitat
  • Landscape connectivity acquisition method and system supporting two-way change of habitat

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Embodiment Construction

[0035] The present invention is further described below in conjunction with accompanying drawing:

[0036] see Figure 1 to Figure 4 , the present invention proposes a general calculation method of landscape connectivity to represent two-way changes in ecology, and focuses on solving the characteristics of complex calculation and difficult representation of landscape index in the prior art. The following description and accompanying drawings fully demonstrate the specific embodiments of the present invention, so that scientific research and management personnel in the field can effectively practice. Only the technical solutions of the present invention are adopted in the embodiments, and individual components and functions are optional and changeable. refer to figure 2 Based on the technical roadmap of the study area, the land use data of two periods in different years were selected, and this method was used to calculate and analyze the connectivity of the habitat landscape...

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Abstract

The invention discloses a landscape connectivity acquisition method and system supporting two-way change of a habitat. The method comprises the following steps: acquiring remote sensing satellite image spatio-temporal data; preprocessing the image spatio-temporal data to obtain a land utilization spatial pattern of the research area; and calculating the connectivity of the habitat landscape according to the land utilization space pattern. According to the method, the landscape connectivity is calculated by traversing each grid unit, so that the connection characteristics of a regional ecological system can be intuitively and visually represented, the immigration and emigration of the habitat can be reflected, the damage and reconstruction of the ecological environment can be reflected, and the effect of bidirectionally evaluating the habitat connectivity from the landscape structure and the landscape function can be achieved.

Description

technical field [0001] The invention belongs to the field of landscape ecology, and in particular relates to a method and system for acquiring landscape connectivity that supports two-way changes in habitats. Background technique [0002] The transformation of ecosystem types and the transformation of natural landscapes from continuous zonality to discontinuous mosaic patches lead to the fragmentation of biological habitat landscape and loss of habitat. This ecological fragmentation seriously affects the ecological process and ecological regulation ability of the landscape (that is, habitat degradation) . Vegetation restoration, as a manifestation of landscape pattern change, can improve the ecosystem structure and landscape ecological process, and enhance the ability of ecological regulation, and is the main link of regional ecological restoration and reconstruction (ie, habitat improvement). Habitat-landscape connectivity is a measure of the continuity between landscape s...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/26
CPCG06Q10/06313G06Q50/26
Inventor 吴一平王凡赵文智李汇文孙玉柱
Owner XI AN JIAOTONG UNIV
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