書誌事項
- タイトル別名
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- Changes in Salinity, Sediment Condition and Macrobenthos Fauna after Removal of Enclosing Levee in Hirakata Cove, Yokohama
- ヨコハマ ヒラカタワン ニ オケル シャスイヘキ テッキョ ニ ヨル エンブン テイシツ カンキョウ ト テイセイ セイブツソウ ノ ヘンカ
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Changes in salinity and sediment conditions, and recovery of macro-benthic fauna were investigated at three sampling sites with different water quality conditions before and after removal of the levee. After the removal, salinity and apparent redox potential in surface sediment in the inner Hirakata Bay significantly increased from mean 22.8 to 25.5 and from -150 to +95 mV, respectively, resulting in aerobic condition. At the same time dominant species in macro-benthic fauna changed from polychaetes Neanthes japonica, Capitellidae spp. to Bivalvia including Ruditapes philippinarum. These results suggest that increased exchange rate of water mass due to removal of the levee can result in improved habitat conditions for macro-benthic fauna and the supplement of planktonic larvae of Ruditapes philippinarum from the outside bay.
収録刊行物
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- 環境科学会誌
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環境科学会誌 13 (3), 357-367, 2000
社団法人 環境科学会
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詳細情報 詳細情報について
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- CRID
- 1390001204420490496
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- NII論文ID
- 10005740252
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- NII書誌ID
- AN10165252
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- ISSN
- 18845029
- 09150048
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- NDL書誌ID
- 5507058
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可