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비행간섭트랩에 포획된 속리산국립공원내의 송장벌레류 종구성 및 풍부도의 계절적 변동

The effects of seasonal changes on the species composition and abundance of Silphids (Coleoptera: Silphidae) captured by FIT at Mt. Sokrisan National Park, Chungbuk Province

  • 오광식 (한남대학교 자연사박물관) ;
  • 김도성 (경북대학교 응용생명과학부) ;
  • 조영복 (한남대학교 자연사박물관)
  • 투고 : 2011.06.22
  • 심사 : 2011.09.21
  • 발행 : 2011.09.30

초록

곤충 군집의 변화는 서식지 환경의 변화를 파악할 수 있는 척도가 된다. 속리산국립공원에서 2003년부터 2007년까지 월별(4월-10월)로 Flight Interception Trap (FIT)을 이용하여 송장벌레류의 종 구성과 풍부도의 변화를 알아보기 위한 조사를 실시하였다. 그 결과, 6종 9,704개체가 조사되었는데, 이 중 넉점박이송장벌레(Nicrophorus quadripunctatus)가 8,763개체(90.3%)로 가장 높은 우점도를 보였다. 넉점박이송장벌레를 제외한 나머지 5종은 971개체(9.7%)에 불과하였다. 송장벌레 6종의 계절적 풍부도 변화에 따르면 7월과 8월이 최성기인 것으로 나타났다. 또한 연간 풍부도는 2004년 이후 점차 감소하는 경향을 보이고 있다. 장기간의 모니터링 결과, 환경지표종으로 활용이 가능한 송장벌레류의 종구성과 풍부도 변화는 속리산의 기후변화를 간접적으로 나타내고 있음을 시사한다.

Changes in insect communities are one of the best indicators of environmental changes. A survey was conducted using the Flight Interception Trap (FIT) method to check the changes of species composition and abundance of silphids at Mt. Sokrisan National Park from April to October in 2003 to 2007. A total of 9,704 individuals of six silphid species were examined by FIT. Among them, Nicrophorus quadripunctatus was the most dominant species with 8,763 (90.3%) individuals. There were only 971 (9.7%) individuals of the other five species. The seasonal abundance of silphids peaked in July and August. The annual abundance has decreased gradually since 2004. Therefore, the changing patterns of species composition and abundance of silphids checked by long-term monitoring could be used as environmental indicators which indirectly show the environmental changes of Mt. Sokrisan National Park.

키워드

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피인용 문헌

  1. Appearance of Carrion Beetles (Coleoptera: Silphidae) by Altitudes in Deogyusan National Park, Jeollabuk-do, Korea vol.5, pp.1, 2012, https://doi.org/10.7229/jkn.2012.5.1.011
  2. Diversity of beetles in Gariwangsan Mountain, South Korea: Influence of forest management and sampling efficiency of collecting method vol.7, pp.3, 2014, https://doi.org/10.1016/j.japb.2014.06.005