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http://dx.doi.org/10.13087/kosert.2019.22.2.13

A Study on the Flora and Vegetation Changes in the Riparian Zones of Han River Watershed  

Lee, Jong-Mun (Dept. of Landscape Architecture.Environmental Planning, Graduate School of Kongju National University)
Cho, Yong-Hyeon (Dept. of Landscape Architecture, Kongju National University)
Kim, Hyun-Woo (Dept. of Dohwa Engineering Co.)
Publication Information
Journal of the Korean Society of Environmental Restoration Technology / v.22, no.2, 2019 , pp. 13-30 More about this Journal
Abstract
The purpose of this study was to investigate changes in vegetation and flora after five years through field surveys data with the Han Gang Watershed Management Committee (2013) data in order to observe natural vegetation changes in the riparian zone of Han River watershed. As a result, the flora of the riparian zone in 2012 were listed total 231 taxa, 66 families, 158 genus, 207 species, 23 varieties, and 1 forms, and in 2017, a total 247 taxa, 74 families, 174 genus, 218 species, 27 varieties, and 2 forms were identified. The number of rare plants decreased from 4 taxa in 2012 to 2 taxa in total in 2017, and the number of endemic plants increased from 1 taxa to 3 taxa. The number of specific plants by floral region decreased from 21 taxa (9.1% of all 231 taxa of flora) in 2012 to 16 taxa (6.5% of all 247 taxa of flora) in 2017. The total number of naturalized plants is analyzed to increase from 35 taxa, a naturalization rate of 15.15% (all 231 taxa of flora) and urbanization index of 11.2% (all 312 taxa of naturalized plants) in 2012 to 44 taxa a naturalization rate of 17.8% (all 231 taxa of flora) and urbanization index of 14.1%(all 312 taxa of naturalized plants) in 2017. The ecosystem disturbance species showed an increase in both number of species and cover degree grades, indicating that the riparian zone changed in a negative direction.
Keywords
Endemic plants; Hydrophytes; Naturalized plants; Rare plants; Specific plants;
Citations & Related Records
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