Effects of Thinning on Abundance and Community Structure of Arthropods in a Pinus koraiensis Plantation

잣나무림조림지에서 간벌이 절지동물 풍부도와 군집구조에 미치는 영향

  • Kwon, Tae-Sung (Department of Forest Ecology Research, Korea Forest Research Institute) ;
  • Yang, Hee-Moon (Department of Forest Ecology Research, Korea Forest Research Institute) ;
  • Shin, Joon-Hwan (Department of Forest Ecology Research, Korea Forest Research Institute) ;
  • Kim, Suk-Kuwon (Department of Forest Ecology Research, Korea Forest Research Institute) ;
  • Yi, Hoon-Bok (Division of Environmental & Life Science, Seoul Women's University)
  • 권태성 (국립산림과학원 산림생태연구과) ;
  • 양희문 (국립산림과학원 산림생태연구과) ;
  • 신준환 (국립산림과학원 산림생태연구과) ;
  • 김석권 (국립산림과학원 산림생태연구과) ;
  • 이훈복 (서울여자대학교, 환경생명과학부)
  • Received : 2010.07.29
  • Accepted : 2010.09.16
  • Published : 2010.09.30


Thinning treatment has a huge effect on understory and litter structures in forest ecosystem, and the resulting changes may impact some arthropod groups such as plant-feeders and detritivores. This study was carried out to find a change in arthropod abundance and their structures in relation to the thinning activity in a Pinus koraiensis plantation in Chuncheon, Korea, where thinning was conducted twice: in 1998-2000 (old-thinning) and 2007 (new-thinning). Arthropods were collected using pitfall traps in 2006 and 2008. Effects of old-thinning on change of abundance and community structure of arthropod were significant, but the effects of new-thinning were not significant. The most significant thinning effect was found in detritivores, followed by plant feeders, but the effect was hardly significant in predators. Among detritivores the changes in abundance was diverse. The abundance of orthopteran plant-feeder increased, but Curculionidae declined after thinning. There was not different in abundance of total arthropods between thinned and unthinned areas because the difference may have cancelled each other out by increased or decreased abundance of taxa. Community structures of arthropods were most greatly affected by years, followed by the old-thinning, but the new-thinning did not affect community structures.


Grant : 생물다양성 보전 및 생태적 산림관리 연구

Supported by : 국립산림과학원


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