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Characteristics of Amphibian and Reptile Populations in a Coniferous Plantation and a Deciduous Forest

침엽수림과 활엽수림에 서식하는 양서류와 파충류 개체군 특성

  • Park, Chang-Deuk (Department of Forest Sciences, Seoul National University) ;
  • Son, Seung-Hun (Department of Animal Science and Technology, Chung-Ang University) ;
  • Hwang, Hyun-Su (Department of Animal Science and Technology, Chung-Ang University) ;
  • Lee, Woo-Shin (Department of Forest Sciences, Seoul National University) ;
  • Lee, Eun-Jae (Urban Planning Research Group, Daejeon Development Institute)
  • 박창득 (서울대학교 산림과학부) ;
  • 손승훈 (중앙대학교 동물생명공학과) ;
  • 황현수 (중앙대학교 동물생명공학과) ;
  • 이우신 (서울대학교 산림과학부) ;
  • 이은재 (대전발전연구원 도시기반연구실)
  • Received : 2013.12.02
  • Accepted : 2014.01.07
  • Published : 2014.03.31

Abstract

This study was conducted to clarify the characteristics of amphibian and reptile (herpetofauna) populations in a coniferous plantation and a deciduous forest from July to September 2013 in national forest, Hongcheon, Gangwon province, Korea. Coverage of understory, mid-story and overstory were more developed in a deciduous forest. We used line transect sampling method on a total of 4 transect lines, 2 lines in each forest type. Fifty two individuals of 4 amphibian species and 11 individuals of 3 reptile species were recorded. Mean observed number of herpetofauna species, individuals and species diversity index (H') were not significantly different between coniferous plantation and deciduous forest. This result related to ecological characteristics of herpetofauna. Habitats of herpetofauna were influenced on not only vertical structure of forests, but also climatic variables, thermoregulation and prey availability. The long-term monitoring and research on habitat preference and seasonal ecological traits of herpetofauna would be needed for conservation and management of herpetofauna in forest areas.

본 연구는 침엽수림과 활엽수림에서 양서류와 파충류의 개체군 특성 차이를 파악하기 위해 2013년 7월부터 9월까지 강원도 홍천군 일대의 국유림에서 실시되었다. 임상별 산림의 수직구조를 파악한 결과, 관목층(1~2 m)과 아교목층(2~8 m), 수관층(20~30 m)의 엽층별 피도량은 침엽수림이 활엽수림에 비해 더 크게 나타났으나, 흉고직경분포는 유의한 차이를 보이지 않았다. 침엽수림과 활엽수림에 각각 2개 조사구, 총 4개 조사구 내에서 월별 1회씩 총 12번의 선형횡단조사를 통해 양서류는 4종 52개체, 파충류는 3종 11개체가 확인되었다. 임상에 따른 양서류와 파충류의 평균 종수와 개체수, 평균 종다양도 차이를 파악한 결과 유의한 차이를 보이지 않았다. 임상별 각 종의 평균관찰 개체수를 파악한 결과, 청개구리는 침엽수림에서만 관찰되었고 도롱뇽과 아무르장지뱀, 대륙유혈목이는 활엽수림에서만 서식이 확인되었으나 통계적으로 유의한 차이는 나타나지 않았다. 향후 임상에 따른 양서류와 파충류의 개체군 특성을 파악하기 위해서는 보다 장기적이고 정밀한 모니터링이 지속적으로 이루어져야 할 것으로 판단된다.

Keywords

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