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http://dx.doi.org/10.17663/JWR.2012.14.1.059

The Analysis of Vegetation Characteristics of Organic Rice Paddy for Value Assessment of the Rice Paddy Wetland  

Park, Kwang-Lai (농촌진흥청 국립농업과학원)
Kong, Min-Jae (단국대학교 농촌진흥청 학연협동)
Kim, Nam-Choon (단국대학교 녹지조경학과)
Son, Jin-Kwan (단국대학교 농촌진흥청 학연협동)
Publication Information
Journal of Wetlands Research / v.14, no.1, 2012 , pp. 59-73 More about this Journal
Abstract
The importance of rice paddy wetland has been raised since the 10th Ramsar Convention in 2010. However, there is shortage of study on the evaluation of rice paddy wetland and also of the study on the effect of organic agriculture on the vegetation characteristics. Accordingly, this study examined the vegetation characteristics of organic rice paddy for the basic resources of evaluating value of rice paddy wetland. 6 places of organic rice paddy and conventional rice paddy were chosen as research targets. It analyzed the function of 'Floral Diversity and Wildlife Habitat' among the revised RAM, an existing wetland evaluation system. As to the factor affecting the analysis result, simple land-use result was proved to determine the evaluation. As a result of vegetation investigation total 176 taxa, 53 families, 146 generics, 148 species, 26 varieties and 1 forma. When the difference of appearance of life form between organic area and conventional area was examined, organic paddy had higher appearance of life form in Therophyte and Megaphanerophyte. For the distribution of Naturalized plants, organic rice paddy had lower naturalized rate and urbanization index than conventional rice paddy. As to the Pearson correlation analysis between growing condition and vegetation characteristics, variety of rice paddy vegetation showed it was not heavily influenced by the land use. However, the organic rice paddy area had more variety in vegetation than conventional rice paddy. There was about 1% correlation with types of Cyperaceae, which means that the classification group of Cyperaceae can be utilized in evaluating rice paddy wetland later on. It is determined that the wetland evaluation has been widely influenced by soil environment, water environment and surrounding natural and artificial landscape as well as vegetation characteristics. Accordingly, further research seems to be required with minute investigation to an extensive area.
Keywords
Wetland; Assessment; Vegetation; RAM; Naturalized;
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Times Cited By KSCI : 3  (Citation Analysis)
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