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http://dx.doi.org/10.5660/WTS.2015.4.3.188

Ecological Characteristics of Weed Species on Dry Field in the Eastern Region of Korea  

Cho, Kwang-Jin (National Institute of Ecology)
Oh, Young-Ju (Institute for Future Environmental Ecology Co. Ltd.)
Lee, Wook-Jae (Institute for Future Environmental Ecology Co. Ltd.)
Choi, Jeong-Oh (Institute for Future Environmental Ecology Co. Ltd.)
Sohn, Soo-In (National Academy of Agricultural Science, RDA)
Kim, Myung-Hyun (National Academy of Agricultural Science, RDA)
Yang, Dong-Woo (Department of Biological Science, Ajou University)
Kim, Chang-Seok (National Academy of Agricultural Science, RDA)
Publication Information
Weed & Turfgrass Science / v.4, no.3, 2015 , pp. 188-198 More about this Journal
Abstract
This study was conducted in order to investigate the distribution pattern of weeds and ecological characteristics on the dry field in the Eastern region of Korea. The weed species data were obtained from 12 regions in Gangwon-do and Gyeongsang-do. 150 taxa were recorded from three main distinguished habitats; inside of dry field (IDF), embankment around the end of dry field (EDF), levee slope of dry field (LS). The weed species of three different habitats were IDF 83 taxa, EDF 133 taxa and LS 105 taxa. The species showing higher rNCD value was Portulaca oleracea in IDF, Digitaria sanguinalis in EDF and Humulus japonicus in LS. Compositae was dominant family followed by Gramineae, Polygonaceae and Leguminosae. Life form was distinguished as Th-R5-D4-e and three different habitats showed the same results. Disturbance index was analysed as IDF 83.1%, EDF 68.4%, and LS 62.9%. Naturalized rate was analysed as IDF 28.9%, EDF 22.6%, and LS 20.0%. These results indicate that the weeding management, land use intensity, and human interference effect on the distribution index and naturalized rate of weed.
Keywords
Dry field; Habitat; rNCD value; Weed;
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