Journal of Ecology and Environment

The Ecological Society of Korea (한국생태학회)
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Distribution Characteristics, Population and Vegetation Structure of Corylopsis coreana in Korea

  • Choung, Heung-Lak (EIA Division, Korea Environment Institute) ;
  • Lim, Dong-Ok (Department of Life Sciences, Honam University) ;
  • Hwang, In-Chun (Department of Life Sciences, Honam University) ;
  • Kim, Chul-Hwan (Faculty of Biological Sciences, Chonbuk National University) ;
  • Lee, Kyu-Song (Department of Biology, Kangnung National University) ;
  • Ryu, Ji-Eun (Department of Landscape Architecture and Rural System Engineering, Seoul National University) ;
  • Lee, Hyun-Woo (EIA Division, Korea Environment Institute)
  • Published : 2007.11.30
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Abstract

This study examined the distribution, population and vegetation structure of Corylopsis coreana in South Korea. C. coreana is distributed around the Suncheon area, Jeollanam-do, on the southern part of the Korean Peninsula, but the species is also found in Pocheon and Gangneung, on the central and central east parts of the peninsula. This discontinuous pattern of distribution is coupled with the unusual feature of only growing on northern exposed slopes. The mean density of C. coreana populations is 35 individuals per 100 $m^2$, ranging up to a maximum of 92 individuals per 100 $m^2$. Cut specimens sprouted a maximum of 38 stems per plant. Based on DCA analysis, the species' habitats was divided into three types by species composition and stratification structure. These types include: habitats affected strongly by human activities, valley and mantle communities which are affected relatively little by human activities, and stable forests. Populations affected by artificial intervention have actually flourished, while some populations in the stable forest system have declined. We conclude that the species, now endangered, should be maintained by means of specific external interventions such as cutting or removal of the canopy. To this end, further ecological data should be collected through monitoring and research to identify appropriate interventions to support threatened C. coreana populations.

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References

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