アマモ場造成に必要な生育環境条件に関する研究

DOI 日本農学文献記事索引 Web Site 被引用文献2件 参考文献9件

書誌事項

タイトル別名
  • Research on the Environmental Conditions for Seagrass Bed Creation
  • アマモ場造成に必要な生育環境条件に関する研究--三河湾三谷町地先における事例
  • アマモジョウ ゾウセイ ニ ヒツヨウ ナ セイイク カンキョウ ジョウケン ニ カンスル ケンキュウ ミカワワン ミヤチョウチサキ ニ オケル ジレイ
  • 三河湾三谷町地先における事例
  • Case Study of Miya, Mikawa Bay, Aichi Prefecture, Japan

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抄録

Seasonal changes of Zostera marina L and physical environment factors (underwater irradiance, Sandy bottom quality etc.) were examined off Miya in the Mikawa Bay, Aichi Prefecture, from 2000 to 2001 Japan. Z. marina forming seagrass beds grew densely from February to June, and declined from July to October. While a large number of juveniles geiminated from their seed started to appear toward the middle of October, and Z. marina grew densely again in the following spring. Most of the Z. marina off Miya was annual. Vertical distribution range of Z. marina beds were from D.L. +0.5m to -1.6m depth. From the site irradiance conditions in the seagrass bed, the deepest bottom of Z. marina possible growth was estimated to be D.L.-1.8m. The high temperature in the summer was the important cause that the Z. marina beds were decreased. Surface layer of the bottom was reductive conditions enough to germinate. These observations suggest that Z. marina of annual plant requires calm environmental conditions as one of the required suitable conditions for successful seagrass bed formation.

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