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http://dx.doi.org/10.17663/JWR.2014.16.4.353

Effects of Micro-topography on Vegetation Pattern in Dunchon-dong Wetland  

Nam, Jong Min (Research Institute of Agriculture and Life Sciences, Seoul National University)
Jeon, Seung-Hye (Department of Biology Education, Seoul National University)
Choi, Ho (Department of Biology Education, Seoul National University)
Kim, Jae Geun (Department of Biology Education, Seoul National University)
Publication Information
Journal of Wetlands Research / v.16, no.4, 2014 , pp. 353-362 More about this Journal
Abstract
The purpose of this study is to investigate the effect of micro-topography to vegetation pattern in Dunchon-dong wetland. To characterize the effect of micro-topography, changes in water level and vegetation pattern were monitored from 2007 to 2008. Depending on the relative elevation, the study site was divided into 4 sectors. The relative areas of sectors in ascending order were 11%, 10%, 18% and 24%, respectively. During investigation period, average water pH was 6.10 (${\pm}0.13$), electron conductivity was $51.5({\pm}6.0){\mu}s/cm$, $PO_4$-P, $NO_3$-N and $NH_4$-N concentration were $0.04({\pm}0.02)mg/L$, $0.14({\pm}0.07)mg/L$, and lower than 0.01mg/L, respectively. Water level was very changeable in low-water season because the area of lowest sector was small. This characteristic increased the effect of difference of accumulated precipitation from March to April in 2007 and 2008 to plant community composition in lower sectors. Different plant guilds dominated respective sectors and annual plants were major dominant species in the study site. This study suggested that the elevation gradients are necessary to create the habitats for various plant guilds in wetland.
Keywords
National indicator range; Micro-topography; Vegetation pattern; Water level; Wetland;
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Times Cited By KSCI : 5  (Citation Analysis)
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