Journal of Korean Society of Forest Science (한국산림과학회지)

Korean Society of Forest Science (한국산림과학회)
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Diet of The Wild boar (Sus scrofa) in Agricultural Land of Geochang, Gyeongnam Province, Korea

경남 거창 농경지 멧돼지(Sus scrofa)의 식이물 분석

  • Lee, Seong-Min (Department of Forest Sciences, Seoul National University) ;
  • Lee, Woo-Shin (Department of Forest Sciences, Seoul National University)
  • Received : 2014.01.21
  • Accepted : 2014.04.22
  • Published : 2014.06.30
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Abstract

Wild boar have increased in recent years in Korea where damage to agricultural crops is considered as a social issue. The ecological studies on wild boar are essential for the effective management in the future. During May and December 2012, We collected 79 wild boar stomach samples from culling program implementation to reduce agricultural damage in Geochang County and analyzed stomach contents to figure out wild boar diet habit and which crop was preferred. There was seasonal variation in the diet. Plant foods represented up to 93.5% of the diet and were consumed more frequently than animal foods. Invertebrates occurred with high frequency but were underestimated in dry weight because they are rapidly digested. Agricultural crops consumed comprised mainly chestnuts(33%), rice(33%), and apples(24%). Agricultural crops are also a potentially important food resources for wild boar. The frequency of occurrence of earthworms was 50% of diet. Earthworm consumption generally increased in summer, and then decreased in winter. Our results show that wild boar can be considered an omnivore whose diet consists of plant and animal foods. To reduce wild boar agricultural damages, We have to focus on the prevention effort to rice paddy adjacent to chestnut forest and to apple orchard.

최근 멧돼지의 개체수 및 농작물 피해 증가로 인하여 사회적 문제를 야기 시키고 있다. 국내 멧돼지에 대한 연구는 미미하여 향후 효과적인 멧돼지 관리를 위해서는 종에 대한 생태적 연구가 필요하다. 본 연구는 2012년 5월부터 12월까지 경남 거창군 일대에서 유해야생동물 포획을 통해 수집된 멧돼지 위 내용물(n=79) 분석을 통하여 식이습성 구명 및 선호 농작물을 파학하기 위해 수행되었다. 연구 결과 멧돼지는 주로 식물성 먹이를 섭식하며, 계절별로 유의한 차이를 나타냈다. 식물성 먹이는 잎-줄기가 83.5%로 가장 높은 출현율 보였으며, 농작물을 포함한 식물성 먹이는 건중량의 93.5%을 차지하였다. 무척추동물의 발견 빈도는 높았으나 빠르게 소화되는 특성으로 인하여 건중량은 낮게 나타났다. 식이농작물로는 밤, 벼, 사과 등이 선호하는 농작물로 나타났다. 수확기 농작물은 멧돼지가 야생 먹이보다 선호하여 의도적으로 섭식하는 것으로 판단된다. 지렁이는 총 수집된 위에서 50%의 출현율을 보였으며, 섭식 마릿수는 여름에 가장 높고, 겨울에 낮은 것으로 나타났다. 멧돼지는 전형적인 잡식성의 성향을 보이며, 시기에 따라 섭식하는 식이물이 다른 것으로 나타났다. 향후 멧돼지에 의한 농작물 피해를 줄이기 위해서는 밤나무림에 인접한 논과 사과 과수원의 우선적인 피해방지가 필요할 것으로 판단된다.

Keywords

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