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http://dx.doi.org/10.17663/JWR.2012.14.4.547

Proposal of Functional Assessment for Wetland-type Abandoned Channel  

Kang, Su Jin (한국건설기술연구원.하천해안실)
Kang, Joon Gu (한국건설기술연구원.하천해안실)
Hong, Il (한국건설기술연구원.하천해안실)
Yeo, Hong Koo (한국건설기술연구원.하천해안실)
Publication Information
Journal of Wetlands Research / v.14, no.4, 2012 , pp. 547-559 More about this Journal
Abstract
Abandoned channel is vestiges of running in the past. Abandoned channels have been formed mostly by artificial river maintenance through channel straightening in Korea. Managed properly, these now abandoned channels can provide habitat for wildlife, maintain biodiversity of aquatic life, security against flooding and recreation area for human. However, because the areas are officially classified as abandoned, the channels is collapsing and decaying from years of neglect. This study suggested functional assessment for wetland-type abandoned channel in order to provide appropriate management and investment. For this reason, The study will examine and evaluate these channels with regard to the following four major criteria (Natureless, Habitat, Water-friendliness and Water quality) and 21 indices. Consequently, abandoned channel in two Nakdong river sites, site 1 was needed for protection or improvement in the medium to longer term, while site 2 was in good condition. This evaluation method will be helpful to manage wetland-type abandoned channel in Korea and will be able to use National River Health Program.
Keywords
Abandoned channel; Functional assessment; Index;
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