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Comparison of soil arthropod community characteristics in organic and conventional orchards in Gangwon Province

강원지역 유기 및 관행 과수원에서의 절지동물 군집 특성 비교

  • June Wee (Ojeong Resilience Institute, Korea University) ;
  • Yong Ho Lee (Ojeong Resilience Institute, Korea University) ;
  • Sun Hee Hong (School of Applied Science in Natural Resources & Environment, Hankyong National University) ;
  • Kijong Cho (Department of Environmental Science and Ecological Engineering, Korea University) ;
  • Young Ju Oh (Institute for Future Environmental Ecology Co., Ltd.) ;
  • Chae Sun Na (Seed Conservation Research Division, Baekdudewgan National Arboretum) ;
  • Kwang Lai Park (Department of Agricultural Environment, National Institute of Agricultural Sciences, RDA)
  • 위준 (고려대학교 오정리질리언스연구원) ;
  • 이용호 (고려대학교 오정리질리언스연구원) ;
  • 홍선희 (한경국립대학교 식물자원조경학부) ;
  • 조기종 (고려대학교 환경생태공학과) ;
  • 오영주 ((주)미래환경생태연구소) ;
  • 나채선 (국립백두대간수목원 야생식물종자연구실) ;
  • 박광래 (농촌진흥청 국립농업과학원 농업환경부)
  • Received : 2023.12.01
  • Accepted : 2023.12.22
  • Published : 2023.12.31

Abstract

This study conducted an investigation into the effects of fruit type and cultivation practices (organic and conventional) on soil characteristics and soil arthropod communities within apple, blueberry, grape, peach, and pear orchards. The collection of soil arthropod communities was achieved through the utilization of pitfall traps, with concurrent measurements taken for soil moisture content, electrical conductivity, and temperature. The findings of this study unveiled substantial impacts attributed to fruit type and cultivation practices on soil characteristics. Specifically, within organic apple orchards, discernibly higher levels of soil moisture content, electrical conductivity, and temperature were observed when compared to their conventional counterparts. The investigation into soil arthropod communities yielded a total of 1,527 individuals, classified in to five phyla and 15 orders. The range of abundance, species richness, and diversity indices varied across conventional and organic orchards. Cultivation practices were found not to exert a significant influence on soil arthropod community characteristics. However, Non-metric Multidimensional Scaling (NMDS) analysis indicated a significant differentiation in soil arthropod community structure based on cultivation practices. This study underscores the importance of considering vegetation structure and environmental characteristics that may influence soil arthropod communities comprehensively when assessing the impact of cultivation practices on soil arthropods. Furthermore, it emphasizes the need to account for both the characteristics and structure of soil arthropod communities in understanding the implications of cultivation practices on these organisms.

본 연구는 사과, 블루베리, 포도, 복숭아, 배 과수원에서 과수의 종류와 재배 방식(유기 및 관행)이 토양 특성 및 토양 절지동물 군집에 미치는 영향을 조사하였다. 함정트랩을 사용하여 토양 절지동물 군집을 조사하였으며, 조사 당시의 토양 수분 함량, 전기전도도, 온도가 조사되었다. 결과적으로, 과수의 종류와 재배 방식은 토양 특성에 유의한 영향을 미쳤다. 특히, 유기 사과 과수원에서는 관행 사과 과수원에 비해 높은 토양 수분 함량, 전기전도도, 온도가 관측되었다. 토양 절지동물 군집에 대한 조사를 통해서 5강 15목에 속하는 1,527 개체가 채집되었다. 개체수, 종 풍부도, 다양성 지수의 범위는 관행 및 유기 과수원에서 각각 9~93 ind. trap-1, 4.00~17.00, 1.09~1.84 및 27~48 ind. trap-1, 9.50~14.00, 1.33~2.14였다. 재배 방식은 토양절지동물 군집 특성에 유의한 영향을 미치지 않았다. 하지만 NMDS (Non-metric Multidimensional Scaling) 분석결과, 재배 방식에 따라 토양 절지동물 군집 구조가 유의하게 다를 수 있음을 확인하였다. 본 연구는 재배 방식이 토양 절지동물에 미치는 영향을 파악하는데 있어, 토양 절지동물 군집에 영향을 미칠 수 있는 식생 군집 및 환경 특성이 종합적으로 고려되어야 하며, 토양 절지동물 군집의 특성뿐만 아니라 구조도 고려되어야 함을 시사한다.

Keywords

Acknowledgement

본 연구성과는 농촌진흥청(과제번호: PJ016062032023)의 지원에 의해 수행되었습니다.

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