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Spatial Distribution and Social Characteristics for Wetlands in Gyeongsangnam-do Province  

Do, Yu-No (Department of Biological Sciences, Pusan National University)
Kim, Ji-Yoon (Department of Biological Sciences, Pusan National University)
Im, Ran-Young (Department of Biological Sciences, Pusan National University)
Kim, Seong-Bo (Department of Biological Sciences, Pusan National University)
Choi, Jong-Yoon (Department of Biological Sciences, Pusan National University)
Joo, Gea-Jae (Department of Biological Sciences, Pusan National University)
Publication Information
Korean Journal of Ecology and Environment / v.45, no.2, 2012 , pp. 252-260 More about this Journal
Abstract
The wetlands have eco-sociological values because their functions have proven to be useful to human society. Many countries are working to conserve and protect the wetland ecosystems. However, many wetlands have disappeared or have been fragmented due to a natural and/or anthropogenic disturbance. These isolated wetlands appear to work best in the landscape, as a spatially distributed system. We have analyzed the spatial-social distribution patterns of wetlands in Gyeongsangnam-do Province (GNP). We examined the frequency distribution of wetland sizes, the distances to the nearest wetlands, the shapes of the wetlands, land-use patterns, land owners, and official land values were confirmed as social characteristics for each wetland. A total of 146 wetlands (3,598.85 ha), including 76 riverine wetlands (1,955.60 ha), 49 palustrine wetlands (1,282.28 ha) and 21 mountain wetlands (1,282.28 ha) were identified in GNP. Most wetlands left for use to drainage were small (<2 ha) and located in agricultural areas. However, small and isolated wetlands were clustered, according to the location, indicating that these wetlands can be connected to each other using the linear riverine wetlands and water channels in agricultural areas. This is extremely valuable in maintaining the biodiversity, such that any loss of small wetlands will cause a direct reduction in the connectedness among populations of the remaining species. Due to most wetlands belonging to the nation or businesses, being classified as reservoirs (water storage areas), and consequently, degradation of wetlands will progress due to grand-scale engineering works. Therefore, wetland policy and ecologically sensitive laws and policies should be developed in order to promote the wise-use for wetlands.
Keywords
wetland; fragmentation; spatial-social distribution; landscape ecology;
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