リモートセンシングとランドスケープ指標による Korean Water Deer (<I>Hydropotes inermis argyropus</I>) の生息地特性の解析

DOI Web Site 参考文献20件
  • 鄭 智享
    Department of Biological and Environmental Engineering, Graduate school of Agriculture and Life Science, The University of Tokyo
  • 清水 庸
    Department of Biological and Environmental Engineering, Graduate school of Agriculture and Life Science, The University of Tokyo
  • 大政 謙次
    Department of Biological and Environmental Engineering, Graduate school of Agriculture and Life Science, The University of Tokyo

書誌事項

タイトル別名
  • Analysing Habitat Characteristics for Korean Water Deer (<I>Hydropotes inermis argyropus</I>) in Korea Using Remote Sensing and Landscape Metrics
  • Analysing habitat characteristics for Korean water deer (Hydropotes inermis argyropus) in Korea using remote sensing and landscape metrics

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抄録

Korean water deer (Hydropotes inermis argyropus) is an endemic subspecies and one of the common species in Korea. However, deer have been threatened by human activities, which have resulted in the population decrease. To conserve and manage their populations, understanding Korean water deer's habitat characteristics, which depend on the structure of the landscape, and identifying the relationship between those would be a key component. Our main aim was first to make landcover maps from remote sensing imagery, and to determine some habitat metrics for Korean water deer at two different home range scales (25 ha and 100 ha), and finally to compare them between habitat and non-habitat of the Korean water deer. This study analyzed spatial patterns at two scales in the Chungnam province environment by using the PCA-ECHO classification technique based on Landsat ETM+ remote sensing data (2001) and 19 habitat metrics. Study results show that habitat metrics for forest and open areas are more obviously distinguished within a 25 ha home range scales. Especially, more continuous and less fragmented forest patches and open area patches with a high edge density and connectivity were the main characteristics of Korean water deer's habitat. As a part of habitat management, these results could be used as a good proxy for assessing the habitat quality of Korean water deer.

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