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http://dx.doi.org/10.17663/JWR.2018.20.2.181

Analysis of Biodiversity and Ecological Characteristics on Tamjin-river Estuarine Ecosytem  

Lim, Jeongcheol (National Wetlands Center, National Institute of Environmental Research)
Kim, Taesung (National Wetlands Center, National Institute of Environmental Research)
Publication Information
Journal of Wetlands Research / v.20, no.2, 2018 , pp. 181-189 More about this Journal
Abstract
This study was performed to analyze the dynamics and distributional condition of biological community and to support the basic information about the estuarine ecosystem management by using the intensively surveyed results by each taxon experts around Tamjin river. We analyzed the biological diversity, abundance, correlation among species, and ecological characteristics about 11 taxa groups including vegetation, fish, birds, mammals, etc. in the Tamjin river estuarine ecosystem. We classified vegetation types into 7 physiognomic types and 18 communities according to habitat conditions with the physical environments and salinity. In total, 1125 species including 9 species of endangered species were identified in research area. The species composition and distributional characteristics of each taxon were corresponded to the environmental characteristics of the estuarine ecosystem. Especially, the species diversity and distribution were clearly distinguished in the river according to the difference of the environmental factors such as flow rate, salinity, and soil. Despite the disturbance factors such as barrage and levees, the biodiversity and its distribution were evaluated to be high level under the current environmental conditions. However, loss or reduction of wildlife habitat due to reclamation, embankment, barrage installation and expansion of farmland has been identified as a major threat to the diversity and health of the local ecosystem. The results of this study can be used as a basic data to cope with various development pressure and damage crisis of the whole estuaries including Tamjin river.
Keywords
Estuarine wetlands; Habitat; Connectivity; Brackish water zone; Conservation;
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