Conservation of tidal flats and wetlands on the basis of biofilm as a novel diet for birds
| Project/Area Number |
20681023
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| Research Category |
Grant-in-Aid for Young Scientists (A)
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| Allocation Type | Single-year Grants |
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| Research Field |
Resource conservation science
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| Research Institution | Independent Administrative Institution Port and Airport Research Institute
(独)港湾空港技術研究所 |
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Principal Investigator |
KUWAE Tomohiro (独)港湾空港技術研究所, 沿岸環境研究領域, 沿岸環境研究チームリーダー (40359229)
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| Project Period (FY) |
2008 – 2012
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| Project Status |
Completed (Fiscal Year 2012)
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| Budget Amount *help |
¥16,770,000 (Direct Cost: ¥12,900,000、Indirect Cost: ¥3,870,000)
Fiscal Year 2011: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2010: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2009: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2008: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
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| Keywords | 鳥類 / 干潟 / 湿地 / 生態系保全 / 自然再生 / 烏類 |
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| Research Abstract |
Here, we conducted field observations on shorebird foraging behavior on Japanese and Canadian tidal flats, analyzed chemical components of the bird droppings and prey items. One of the surprising discoveries is that many shorebird species, such as Dunlin (a very common species worldwide) and Red-necked Stint (very common in East Asia and Oceania), consume surficial intertidal biofilm, a hitherto unsuspected food comprised of microbes, their extracellular mucus substances, and detritus. This finding is the first in the world to demonstrate that biofilm feeding is indeed widespread.
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Report
(6 results)
Research Products
(89 results)
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[Journal Article] Dynamic and complex food web structures revealed by exploring missing trophic links between birds and biofilm2012
Author(s)
Kuwae, T., E. Miyoshi, S. Hosokawa, K. Ichimi, J. Hosoya, T. Amano, T. Moriya, M. Kondoh, R. C. Ydenberg, and R. W. Elner
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Journal Title
Ecology Letters
Volume: 15
Pages: 347-356
Related Report
Peer Reviewed
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[Journal Article] Variable and complex food web structures revealed by exploring missing trophic links between birds and biofilm2012
Author(s)
Kuwae, T., E. Miyoshi, S. Hosokawa, K. Ichimi, J. Hosoya, T. Amano, T. Moriya, M. Kondoh, R. C. Ydenberg, and R. W. Elner
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Journal Title
Ecology Letters
Volume: 15
Pages: 347-356
Related Report
Peer Reviewed
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[Presentation] Effects of tidal flat on water quality improvement in the Tokyo Port Wild Bird Park2011
Author(s)
Sasaki, N., Murakami, K., Umeda, Y., Kuwae, T., Miyoshi, E., and Nakase, K
Organizer
Proceedings of the Sixth International Conference on Asian and Pacific Coasts (APAC 2011)
Place of Presentation
Hong Kong, China
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[Presentation] Effects of tidal flat on water quality improvement in the Tokyo Port Wild Bird Park
Author(s)
Sasaki, N., Murakami, K., Umeda, Y., Kuwae, T., Miyoshi, E., and Nakase, K.
Organizer
Proceedings of the Sixth International Conference on Asian and Pacific Coasts (APAC 2011)
Place of Presentation
Hong Kong, China
Related Report
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