Biological Production and Water Purification Functions of Mega-infaunal Community at an Artificial Tidal Flat
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- TAKEDA Kazuya
- Aichi Chita Office of Agriculture, Forestry and Fisheries
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- ISHIDA Motoo
- Aichi Fisheries Research Institute
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- IEDA Kiichi
- Aichi Fisheries Research Institute
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- ISHIDA Toshiro
- Fresh Water Research Center, Aichi Fisheries Research Institute
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- KUWAE Tomohiro
- Port and Airport Reserch Institute
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- SUZUKI Teruaki
- Marine Resources Research Center, Aichi Fisheries Research Institute
Bibliographic Information
- Other Title
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- 人工干潟域における埋在性メガベントス群集の生物生産機能および水質浄化機能
- ジンコウ ヒガタイキ ニ オケル マイザイセイ メガベントス グンシュウ ノ セイブツ セイサン キノウ オヨビ スイシツ ジョウカ キノウ
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Abstract
The mega-infaunal community of an artificial tidal flat in Mikawa Bay was investigated for two years in order to evaluate its biological production and water purification function. A total of 47 species were identified, which was comparable to natural tidal flat in Mikawa Bay. The dominant species were the bivalves, such as Mactra chinensis, Ruditapes philippinarum and the crustaceans, Portunus trituberculatus. During the first six months of the research period, the abundant biomass of bivalves at the artificial tidal flat resulted in higher removal rate of particulate organic nitrogen, which fell within the range of a natural tidal flat in Mikawa Bay. However, the biomass of bivalves drastically decreased in accordance with the appearance of diving ducks and mass fishery. This study suggests that the biomass of mega-infaunal community in artificial tidal flats may drastically decrease by predation or fishery if the areas of created tidal flats are small.
Journal
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- Journal of Fisheries Engineering
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Journal of Fisheries Engineering 44 (1), 11-19, 2007
The Japanese Society of Fisheries Engineering
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Details 詳細情報について
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- CRID
- 1390001205863427840
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- NII Article ID
- 110006366647
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- NII Book ID
- AN10278554
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- ISSN
- 21897131
- 09167617
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- NDL BIB ID
- 8898713
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- Text Lang
- ja
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- Data Source
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- JaLC
- IRDB
- NDL
- CiNii Articles
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- Abstract License Flag
- Disallowed