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Are the conservation areas sufficient to conserve endangered plant species in Korea?

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Author(s): Hyesoon Kang | Sookyung Shin | Hyejin Whang

Journal: Journal of Ecology and Field Biology
ISSN 1975-020X

Volume: 33;
Issue: 4;
Start page: 377;
Date: 2010;
Original page

Keywords: endangered plant species | gap | GIS | protected areas | threatening factor

ABSTRACT
Understanding the factors relevant to endangerment and the patterns of habitat locations in relation to protectedareas is critically important for the conservation of rare species. Although 64 plant species have recently been listed asendangered species in Korea, this information has, until now, not been available, making appropriate management andconservation strategies impossible to devise. Thus, we collected information on potentially threatening factors, as wellas information on the locations in which these species were observed. The potentially threatening factors were classifiedinto seven categories. National parks, provincial parks, ecosystem conservation areas, and wetland conservation areaswere defined as protected conservation areas. Korean digital elevation model data, along with the maps of all protectedareas were combined with the maps of endangered plant species, and analyzed via Geographic Information Systems(GIS). Excluding the category of “small population”, endangered plant species in Korea were associated more frequentlywith extrinsic factors than intrinsic factors. Considering land surface only, all conservation areas in Korea totaled 4.9% ofthe land, far lower than International Union for Conservation of Nature and Natural Resources (IUCN)’s 10% coveragetarget. At the species level, 69% of the endangered plant species were detected in conservation areas, mostly in nationalparks. However, this result demonstrates that 31% of endangered species inhabit areas outside the conservation zones.Furthermore, at the habitat level, a large proportion of endangered species were found to reside in unprotected areas, revealing“gaps” in protected land. In the face of rapid environmental changes such as population increases, urbanization,and climate changes, converting these gap areas to endangered species’ habitats, or at least including them in habitatnetworks, will help to perpetuate the existence of endangered species.
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