Complementary functions of created wetlands along river channels and rice paddies in floodplain biodiversity conservation
The creation of wetlands along river channels, or inter-levee floodplain wetlands (ILWs), increases the cross-sectional area of rivers for flood control and is an effective nature-based solution (NbS) that is expected to achieve both flood control and biodiversity conservation in floodplains in rive...
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Elsevier
2024-12-01
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| Series: | Nature-Based Solutions |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2772411524000818 |
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| author | Kota Tawa Shigeya Nagayama Jun Nishihiro Keigo Nakamura Yuichi Kayaba |
| author_facet | Kota Tawa Shigeya Nagayama Jun Nishihiro Keigo Nakamura Yuichi Kayaba |
| author_sort | Kota Tawa |
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| description | The creation of wetlands along river channels, or inter-levee floodplain wetlands (ILWs), increases the cross-sectional area of rivers for flood control and is an effective nature-based solution (NbS) that is expected to achieve both flood control and biodiversity conservation in floodplains in riverine areas in Japan. To clarify the differences in habitat functions between ILWs and rice paddy fields, we surveyed the species assemblage and habitat usage of aquatic animal assemblages in ILWs and nearby rice paddies in the Nobi Plain of central Japan. Rana japonica bred in the ILWs, and taxon numbers of Odonata larvae and aquatic Hemiptera were greater in ILWs than in rice paddies. Fish taxa were also more abundant in the ILWs. ILWs were characterized mainly by taxa with a preference for permanent water bodies in their life history, whereas Dryophytes japonicus, Pelophylax porosus brevipodus, and Fejervarya kawamurai inhabited and bred mainly in the rice paddies, and the number of taxa of aquatic Coleoptera was also higher. The assemblages in the rice paddies were characterized by pioneer taxa with a preference for temporary waters as their primary breeding sites. Our results show that the creation of ILWs for flood control and the maintenance of rice paddies could help to conserve the original floodplain biodiversity through the complementarity of these different wetland types. |
| format | Article |
| id | doaj-art-5cabfc041b9c419f807ff10a96bf9cb4 |
| institution | Kabale University |
| issn | 2772-4115 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | Elsevier |
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| series | Nature-Based Solutions |
| spelling | doaj-art-5cabfc041b9c419f807ff10a96bf9cb42024-12-17T05:02:07ZengElsevierNature-Based Solutions2772-41152024-12-016100190Complementary functions of created wetlands along river channels and rice paddies in floodplain biodiversity conservationKota Tawa0Shigeya Nagayama1Jun Nishihiro2Keigo Nakamura3Yuichi Kayaba4Water Environment Research Group, Public Works, Research Institute, 1-6 Minamihara, Tsukuba, Ibaraki 305-8516, Japan; Center for Climate Change Adaptation, National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba, Ibaraki 305-0053, Japan; Corresponding author.Center for Environmental and Societal Sustainability, Gifu University, 1-1 Yanagido, Gifu, Gifu 501-1193, JapanCenter for Climate Change Adaptation, National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba, Ibaraki 305-0053, JapanWater Environment Research Group, Public Works, Research Institute, 1-6 Minamihara, Tsukuba, Ibaraki 305-8516, JapanWater Environment Research Group, Public Works, Research Institute, 1-6 Minamihara, Tsukuba, Ibaraki 305-8516, Japan; Departments of Architecture, Design, Civil Engineering and Industrial Management Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya, Aichi 466-8555, JapanThe creation of wetlands along river channels, or inter-levee floodplain wetlands (ILWs), increases the cross-sectional area of rivers for flood control and is an effective nature-based solution (NbS) that is expected to achieve both flood control and biodiversity conservation in floodplains in riverine areas in Japan. To clarify the differences in habitat functions between ILWs and rice paddy fields, we surveyed the species assemblage and habitat usage of aquatic animal assemblages in ILWs and nearby rice paddies in the Nobi Plain of central Japan. Rana japonica bred in the ILWs, and taxon numbers of Odonata larvae and aquatic Hemiptera were greater in ILWs than in rice paddies. Fish taxa were also more abundant in the ILWs. ILWs were characterized mainly by taxa with a preference for permanent water bodies in their life history, whereas Dryophytes japonicus, Pelophylax porosus brevipodus, and Fejervarya kawamurai inhabited and bred mainly in the rice paddies, and the number of taxa of aquatic Coleoptera was also higher. The assemblages in the rice paddies were characterized by pioneer taxa with a preference for temporary waters as their primary breeding sites. Our results show that the creation of ILWs for flood control and the maintenance of rice paddies could help to conserve the original floodplain biodiversity through the complementarity of these different wetland types.http://www.sciencedirect.com/science/article/pii/S2772411524000818FloodplainPaddy biodiversityWetland ecosystemAquatic insectFrogFreshwater fish |
| spellingShingle | Kota Tawa Shigeya Nagayama Jun Nishihiro Keigo Nakamura Yuichi Kayaba Complementary functions of created wetlands along river channels and rice paddies in floodplain biodiversity conservation Nature-Based Solutions Floodplain Paddy biodiversity Wetland ecosystem Aquatic insect Frog Freshwater fish |
| title | Complementary functions of created wetlands along river channels and rice paddies in floodplain biodiversity conservation |
| title_full | Complementary functions of created wetlands along river channels and rice paddies in floodplain biodiversity conservation |
| title_fullStr | Complementary functions of created wetlands along river channels and rice paddies in floodplain biodiversity conservation |
| title_full_unstemmed | Complementary functions of created wetlands along river channels and rice paddies in floodplain biodiversity conservation |
| title_short | Complementary functions of created wetlands along river channels and rice paddies in floodplain biodiversity conservation |
| title_sort | complementary functions of created wetlands along river channels and rice paddies in floodplain biodiversity conservation |
| topic | Floodplain Paddy biodiversity Wetland ecosystem Aquatic insect Frog Freshwater fish |
| url | http://www.sciencedirect.com/science/article/pii/S2772411524000818 |
| work_keys_str_mv | AT kotatawa complementaryfunctionsofcreatedwetlandsalongriverchannelsandricepaddiesinfloodplainbiodiversityconservation AT shigeyanagayama complementaryfunctionsofcreatedwetlandsalongriverchannelsandricepaddiesinfloodplainbiodiversityconservation AT junnishihiro complementaryfunctionsofcreatedwetlandsalongriverchannelsandricepaddiesinfloodplainbiodiversityconservation AT keigonakamura complementaryfunctionsofcreatedwetlandsalongriverchannelsandricepaddiesinfloodplainbiodiversityconservation AT yuichikayaba complementaryfunctionsofcreatedwetlandsalongriverchannelsandricepaddiesinfloodplainbiodiversityconservation |