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Characteristics of Benthic Invertebrates in Organic and Conventional Paddy Field
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 Title & Authors
Characteristics of Benthic Invertebrates in Organic and Conventional Paddy Field
Han, Min-Su; Nam, Hyung-Kyu; Kang, Kee-Kyung; Kim, Miran; Na, Young-Eun; Kim, Hye Rim; Kim, Myung-Hyun;
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BACKGROUND: Today, environmentally friendly farming has become an important feature of agricultural policy. It promotes or sustains farming systems which protect and enhance the environment. This study was conducted to compare benthic invertebrate communities in an organic and a conventional paddy field in South Korea. METHODS AND RESULTS: Benthic invertebrates were collected at 11 regions of a rice paddy from June to August, 2009, 2010 and 2011. These comparisons undertaken using a community assessment approaches such as the number of individuals and species and community composition. Generally, the larger number of individuals and species of benthic invertebrates was observed in an organic paddy than in a conventional paddy field. Organic paddy fields could supported the wider range of species and abundance in aquatic invertebrates comparing to conventional paddy fields. Carrying capacity to support larger numbers of invertebrates also tends to be higher in organic paddy than in conventional paddy field. Specially, organic farming regions surrounded by forests were high quality habitat for benthic invertebrates than other surrounded regions such as grassland. CONCLUSION(S): We concluded that organic farming was more advantaged to benthic invertebrates than conventional farming. In order to improve biodiversity in rice paddy field, farming regimes without agricultural chemicals are recommended. The effect of organic management on biodiversity and abundance of benthic invertebrates could be maximized across highland farmland.
Benthic invertebrates;Conventional paddy;Organic paddy;Rice;
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논 생태계에 서식하는 생물과 긴꼬리투구새우가 분비한 화학물질이 물벼룩의 생활사와 형태에 미치는 영향,나긍환;한은진;원두희;김정희;정쥬리;김현우;

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