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http://dx.doi.org/10.7747/JFS.2014.30.1.76

Effects of Water Level Change on Wetland Vegetation in the Area of Riparian Forest for Dam Construction Period -Focused on the Hantan River Dam-  

Park, Hyun-Chul (Department of Landscape Architecture, Kangwon National University)
Lee, Jung-Hwan (Institute of Environmental Research at Kangwon National University)
Lee, Gwan-Gyu (Department of Landscape Architecture, Kangwon National University)
Publication Information
Journal of Forest and Environmental Science / v.30, no.1, 2014 , pp. 76-84 More about this Journal
Abstract
This study was performed to monitor the effects of water level change on changes of landscape, vegetation community, and species diversity of riparian forest. Hantan river dam, study area, has been constructed in the area of Chansoo-myeon, Pocheon-si and Yeoncheon-eup, Yeoncheon-gun, Gyeonggi-do, which is a dam for flood control only in flooding season. Landscape changes were notable after the construction of coffer dam, and the changes were caused by water level increase in areas of riparian forests which consisted of mainly withered willow as a dominant species in the flooding season. It changed vegetation communities of riparian forest from Phragmites japonica and Salix koreensis to Phragmites japonica. Species diversity index was lowest in 2010 when the coffer dam was constructed and showed an increasing trend later. Thus, this study is well in agreement with a previous report that plants of the genus Salix wither by muddy water during flooding and also suggests, controlling water level of river and prediction of water level change's effects should be considered when any facilities are planned.
Keywords
flood regulating dam; riparian forest; species diversity index; cluster analysis;
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