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A study of habitat use pattern of river otters (Lutra lutra) with land-cover map

  • Journal of Environmental Impact Assessment
  • Abbr : J EIA
  • 2005, 14(6), pp.377-385
  • Publisher : Korean Society Of Environmental Impact Assessment
  • Research Area : Engineering > Environmental Engineering

Lee, Sang-Don ORD ID 1 조희선 1

1이화여자대학교

Accredited

ABSTRACT

The Eurasian otter(Lutra lutra) is listed as No. 330 in natural monument. To manage andconserve habitat for otters, it is critical to understand which habitat components are important forotters. The objectives of this study were to analyze otter habitat characteristics in accordance withland-cover map. We investigated otter spraints and sprainting site in Geoje Island from January toDecember, 2004. with GPS coordinates. The analysis of otter habitat use pattern was used byArcview ver. 3.2 with 1: 25,000 Topology Map and field data. Otter habitat use was stronglyrelated to sites in riparian vegetation riparian(dam or river) structures. In this study, Gucheon wasa site with high coverage of riparian vegetation and unconfined channels, thus recording highernumber of spraint densities than those of Yeonchocheon. Yeonchocheon was under constructionat lower stream areas so that otter habitat use was limited. This study suggests that securingsuitable forests and riparian vegetation zone is essential for conservation of otters.

Citation status

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