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Comparison of environmental characteristics at Cicuta virosa habitats, an endangered species in South Korea

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Authors
Shin, Cha Jeong; Nam, Jong Min; Kim, Jae Geun
Issue Date
2013-03
Publisher
한국생태학회
Citation
Journal of Ecology & Environment Vol.36 No.1, pp. 19-29
Keywords
자연과학conservationfloating matplant distributionwater depthwater-hemlock
Abstract
Cicuta virosa is an endangered species in Korea, which is a southern marginal area. To conserve and restore habitats of this plant, we investigated water and soil environmental characteristics and vegetation at four habitats during the growing season. The C. virosa habitats differed in community structure, water and substrate properties, and water regime. Although the total distribution ranges of the water and soil environments for C. virosa were wide and overlapped with the optimal environmental range of distribution of accompanying species, the optimal water level range for C. virosa was defined as 7 ± 3.5 cm. Water level was adjusted by substrate structure such as a mound of P. japonica and a floating mat comprised of accompanying species. A floating mat was an aid to maintain an optimal and stable water level in deep or fluctuating water and to prevent strong competition with prolific macrophytes. The GS sampling site, which had floating mats, could be a good model for C. virosa conservation in a warm temperate region, whereas the PC sampling sites, which experienced a water shortage in spring, provided a clue about the decline in C. virosa population size.
ISSN
2287-8327 (print)
2288-1220 (online)
Language
English
URI
https://hdl.handle.net/10371/83248
DOI
https://doi.org/10.5141/ecoenv.2013.003
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College of Education (사범대학)Dept. of Science Education (과학교육과)Biology (생물전공)Journal Papers (저널논문_생물전공)
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