Technologies and Problems for Control of Sea Urchin Population

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  • ウニ食害対策に係わる技術と課題
  • ウニ ショクガイ タイサク ニ カカワル ギジュツ ト カダイ

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Abstract

After the Isoyake Taisaku guideline was published, sea urchin removal has been carried out in various places ever. In this article, I reported the effective removal method and problem of the sea urchin from those examples. Sea urchin removal is most effective at barren ground measures. The author explained important point of sea urchin removal and also introduced a sea urchin fence and some tool for sea urchin removal. In order to seaweed restoration, it is important to maintain a low density of sea urchin.

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