Combination of macroalgae-conditioned water and periphytic diatom Navicula ramosissima as an inducer of larval metamorphosis in the sea urchins Anthocidaris crassispina and Pseudocentrotus depressus
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- Li Jing-Yu
- Graduate School of Science and Technology, Nagasaki University
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- Rahimi Siti Akmar Khadijah Ab
- Graduate School of Science and Technology, Nagasaki University
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- Satuito Cyril Glenn
- Graduate School of Science and Technology, Nagasaki University
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- Kitamura Hitoshi
- Faculty of Fisheries, Nagasaki University
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The induction of larval metamorphosis in the sea urchins Anthocidaris crassispina and Pseudocentrotus depressus was investigated in the laboratory, using waters conditioned by 15 different macroalgae combined with the periphytic diatom Navicula ramosissima. Larvae of P. depressus did not metamorphose, but larvae of A. crassispina showed a high incidence of metamorphosis, especially in waters conditioned by coralline red algae or brown algae. High inductive activity for larval metamorphosis was detected in Corallina pilulifera-conditioned water during a 2.5-year investigation, but the activity was relatively low in February or March and in September, the off-growth seasons of the alga. By contrast, Ulva pertusa-conditioned water did not show metamorphosis-inducing activity except in spring or early summer. These results indicate that during their growth phase, red and brown algae release into their environment active substances that are involved in the larval metamorphosis of A. crassispina.
収録刊行物
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- Sessile Organisms
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Sessile Organisms 21 (1), 1-6, 2004
日本付着生物学会
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詳細情報
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- CRID
- 1390282679342362496
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- NII論文ID
- 130003445812
- 10012720901
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- NII書誌ID
- AN10563630
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- ISSN
- 18834701
- 13424181
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- NDL書誌ID
- 6896424
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可