Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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The Status of Birds Consuming Fruits and Seeds of the Tree and Related Tree Species on Jeju Island, the Republic of Korea

제주도에서 나무의 열매와 종자를 섭식하는 조류와 관련 수종 현황

  • Kim, Eun-Mi (Warm Temperate and Subtropical Forest Research Center, National Institute of Forest Science) ;
  • Kang, Chang-Wan (The Korea Association For Bird Protection Jeju Branch) ;
  • Lee, Seong-Youn (Warm Temperate and Subtropical Forest Research Center, National Institute of Forest Science) ;
  • Song, Kuk-Man (Warm Temperate and Subtropical Forest Research Center, National Institute of Forest Science) ;
  • Won, Hyun-Kyu (Warm Temperate and Subtropical Forest Research Center, National Institute of Forest Science)
  • 김은미 (국립산림과학원 난대.아열대산림연구소) ;
  • 강창완 (한국조류보호협회 제주지회) ;
  • 이성연 (국립산림과학원 난대.아열대산림연구소) ;
  • 송국만 (국립산림과학원 난대.아열대산림연구소) ;
  • 원현규 (국립산림과학원 난대.아열대산림연구소)
  • Received : 2016.01.19
  • Accepted : 2016.03.25
  • Published : 2016.05.31
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Abstract

Birds play a main role in the formation and change of forest structures as they are seed-dispersal agents. This study aims to identify birds consuming fruits and seeds of the tree and their associated fruits and seeds on Jeju Island in the context on the forest restoration in Korea. We conducted field surveys twice a month from 2013 to 2015 at nine study sites located across Jeju Island and collected available photographic and observation records. A total of 50 species of birds consuming fruits and seeds of the tree were identified and birds belonging to Bombycillidae, Pycnonotidae, Zosteropidae, Sturnidae and Fringillidae were confirmed as major birds consuming fruits and seeds of the tree. Gulping was the dominant type of feeding as well as crushing, but relationship between the size of a bird and the number of fruit and seed species used by the bird was not significant. We also documented that 118 fruit and seed species were consumed by birds and that shrubby fruits and seeds were more consumed by birds than those of other plant types. The relative consumption rate of fruits and seeds ranged from 0.02 to 0.44, but five species were the most important fruits and seeds for birds. Our finding suggest that avian frugivorous gulpers will benefit the seed dispersal, especially of five fruiting plants, providing useful baseline data for forest restoration and urban park design.

Keywords

References

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