書誌事項
- タイトル別名
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- Marine afforestation of coralline flats : algal succession as a restoration means for "Isoyake"
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A new understanding resulting from recent studies on the mechanism of marine algal succession has enabled a means to control its process. Crustose coralline red algae occur as climax communities, called coralline flats, due to biological and hydrographical factors in the process of sublittoral cyclic succession. Coralline flats enlarge its area when other climatic phases of large perennial brown algae, marine forest, are reduced by combined hydrographical factors. High temperatures and/or low nutrients result in decreased marine forest. Destructive grazing by dense populations of herbivors maintain the coralline flats. Since the secondary metabolite of crustose corallines, dibromomethane, induces normal metamorphosis of sea urchin larvae, this algal-origin chemical enforces the interaction between herbivors and coralline flats. Marine afforestation in coralline flats contributes towards reduction of grazing pressure due to the growth of large annuals at the primary stage. This relative decrease in grazing pressure drives algal succession towards the marine forest phase. An increased survival of large perennials establishes the marine forest in the final stage. Sustained coralline flats called "Isoyake", which have wrought considerable damages to the fisheries industry, could be restored ecologically with this technology.
収録刊行物
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- 野生生物保護
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野生生物保護 1 (1), 37-50, 1995
「野生生物と社会」学会
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詳細情報 詳細情報について
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- CRID
- 1390001205351181952
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- NII論文ID
- 110001817048
- 10003483170
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- NII書誌ID
- AA11473258
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- ISSN
- 24331252
- 13418777
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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
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可