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発表 Do winter-flooded paddies serve as overwintering sites for aquatic animal communities?

作成年度 2018 年度
論文名 Do winter-flooded paddies serve as overwintering sites for aquatic animal communities?
論文名(和訳)
論文副題
発表会 第17回世界湖沼会議
誌名 第17回世界湖沼会議
巻・号・回
発表年月日 2018/10/15 ~ 2018/10/19
所属研究室/機関名 著者名(英名)
河川生態チームTAWA KOTA,
兵庫県立大学大学院地域資源マネジメント研究科SAGAWA SHIRO
抄録
For successful reintroduction of storks, winter-flooded rice cultivation has been introduced widely in paddy fields in the Toyooka Basin of the Hyogo prefecture, Japan. We studied the overwintering status of aquatic animal communities in winter-flooded paddies (WFP). The number of taxa of aquatic animals in winter-flooded paddies did not differ from that of conventional water management paddies (CWMP), fallow-field biotopes (FFB), and canal-type biotopes (CTB). Aquatic animals were more abundant in CWMP than in WEP. In addition, community structures of Odonata, Hemiptera, and Coleoptera were roughly divided into CWMP and WFP, and FFB and CTB, respectively. Our results show that winter-flooded rice cultivation is not very effective for the overwintering of aquatic animals, compared with conventional paddies and fallow-field biotopes. Therefore, it may be necessary to develop various types of overwintering environments at the regional scale in paddy fields for conservation of the aquatic animal communities.
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