[Selection of distance thresholds of urban forest landscape connectivity in Shenyang City].
Identifieur interne : 000633 ( Main/Merge ); précédent : 000632; suivant : 000634[Selection of distance thresholds of urban forest landscape connectivity in Shenyang City].
Auteurs : Chang-Fu Liu [République populaire de Chine] ; Bin Zhou ; Xing-Yuan He ; Wei ChenSource :
- Ying yong sheng tai xue bao = The journal of applied ecology [ 1001-9332 ] ; 2010.
Descripteurs français
- Wicri :
- geographic : République populaire de Chine.
English descriptors
- KwdEn :
- MESH :
- geographic : China.
- growth & development : Trees.
- Cities, City Planning, Conservation of Natural Resources, Ecosystem, Urbanization.
Abstract
By using the QuickBird remote sensing image interpretation data of urban forests in Shenyang City in 2006, and with the help of geographical information system, this paper analyzed the landscape patches of the urban forests in the area inside the third ring-road of Shenyang. Based on the habitat availability and the dispersal potential of animal and plant species, 8 distance thresholds (50, 100, 200, 400, 600, 800, 1000, and 1200 m) were selected to compute the integral index of connectivity, probability of connectivity, and important value of the landscape patches, and the computed values were used for analyzing and screening the distance thresholds of urban forest landscape connectivity in the City. The results showed that the appropriate distance thresholds of the urban forest landscape connectivity in Shenyang City in 2006 ranged from 100 to 400 m, with 200 m being most appropriate. It was suggested that the distance thresholds should be increased or decreased according to the performability of urban forest landscape connectivity and the different demands for landscape levels.
PubMed: 21328936
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pubmed:21328936Le document en format XML
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Based on the habitat availability and the dispersal potential of animal and plant species, 8 distance thresholds (50, 100, 200, 400, 600, 800, 1000, and 1200 m) were selected to compute the integral index of connectivity, probability of connectivity, and important value of the landscape patches, and the computed values were used for analyzing and screening the distance thresholds of urban forest landscape connectivity in the City. The results showed that the appropriate distance thresholds of the urban forest landscape connectivity in Shenyang City in 2006 ranged from 100 to 400 m, with 200 m being most appropriate. It was suggested that the distance thresholds should be increased or decreased according to the performability of urban forest landscape connectivity and the different demands for landscape levels.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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