干潟・浅場造成材としてのダム堆積砂の有効性の検討

書誌事項

タイトル別名
  • Examination about Effects of the Sand Accumulated at Yahagi Dam in Case of Using as a Material of Artificial Tidal Flat
  • ヒガタ アサバ ゾウセイザイ ト シテ ノ ダム タイセキ サ ノ ユウコウセイ ノ ケントウ

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抄録

In Mikawa Bay, 6.2×10^6m^2 artificial tidal flats had been created for improvement of damaged bay environment from 1998 to 2004. However, recently materials of the artificial tidal flat were difficulty supplying. A facility experimental tidal flats can be created in is in Aichi Fisheries Reserch Institute. Effects of the sand accumulated at Yahagi dam in case of using as a material of artificial tidal flats was examined by the experimental tidal flats managed over 2 years. The planktonic larvae of Japanese littleneck clam (Ruditapes philippinarum) landed at the sand accumulated at Yahagidam almost as much as at natural coastal sand.

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