成貝の付着誘引効果を用いたマガキ人工採苗技術の改良
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- 平田 靖
- 広島県水産試験場
書誌事項
- タイトル別名
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- Effective Pretreatments of Spat-collectors for Induced Settlement of the Pacific Oyster, Crassostrea gigas.
- セイカイ ノ フチャク ユウイン コウカ オ モチイタ マガキ ジンコウ サイ
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説明
The effects of pretreatment of scallop shell spat-collectors on oyster Crassostrea gigas larval settlement were studied. Spat-collectors were pretreated by immersion in 1 mM L-DOPA, filtered seawater, surface seawater, filtered seawater with oyster shells or live adult oysters for 4 days. An average of 84% spats were found on spat-collectors pretreated in seawater with the presence of live adult oysters after 3 days of the settlement experiment. This settlement-inducing effect was increased by extending the pretreatment period and by increasing the number of adult oysters. The settlement-inducing effect decreased considerably when such pretreated spat-collectors were soaked in hot (50°C) water and dried. The results of these experiments confirmed that the pretreatment with live adult oysters increased the ratio of larval settlement to spat-collectors, and enabled the setting period to be reduced. The pretreatment of spat-collectors with live adult oysters could be applied to the large-scale artificial setting of oyster larvae.
収録刊行物
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- 日本水産学会誌
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日本水産学会誌 64 (4), 610-617, 1998
公益社団法人 日本水産学会
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詳細情報 詳細情報について
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- CRID
- 1390001206411795584
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- NII論文ID
- 10004853771
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- NII書誌ID
- AN00193422
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- ISSN
- 1349998X
- 00215392
- http://id.crossref.org/issn/00215392
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- NDL書誌ID
- 4523688
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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
- IRDB
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可