大阪湾における<I>Heterosigma akaskiwo</I>Hadaの赤潮発生機構に関する研究

• 矢持 進

  大阪府水産試験場

書誌事項

タイトル別名

• Mechanisms for Outbreak of<I>Heterosigma akashiwo</I>Red Tide in Osaka Bay, Japan
• Part 1. Nutrient Factors Involved in Controlling the Growth of<I>Heterosigma akashiwo</I>Hada
• 1. 赤潮海水中における増殖制限栄養因子

抄録

Growth-limiting nutrients of the red tide flagellateHeterosigma akashiwoin Osaka Bay, the Seto Inland Sea, were examined using the method of algal growth potential. The growth yield ofH. akashiwowas enhanced by addition of chelated iron to filtered seawater, but not by the addition of nitrogen, phosphorus or vitamins. An areal survey conducted in June 1981 demonstrated that the concentration of soluble iron in the surface seawater was highest in the southeastern part of Osaka Bay where salinity was less than 30 %o and iron was correlated with the concentration ofH. akashiwo. Increased supply of chelated iron caused by the increase in river runoff during the rainy season is a crucial factor involved in outbreaks of H. akashiwo red tides in Osaka Bay.

収録刊行物

• 日本海洋学会誌

  日本海洋学会誌 39 (6), 310-316, 1983

  日本海洋学会

キーワード

• Oceanography
• General Earth and Planetary Sciences
• Earth-Surface Processes
• General Engineering
• Soil Science
• General Environmental Science

詳細情報

• CRID: 1390282681541949568
• NII論文ID: 30018375511
• NII論文ID: 130004053508
• DOI: 10.1007/bf02071827
• ISSN: 21863113
• ISSN: 1573868X
• ISSN: 00298131
• ISSN: http://id.crossref.org/issn/00298131
• Web Site: http://link.springer.com/content/pdf/10.1007/BF02071827.pdf
• Web Site: http://link.springer.com/article/10.1007/BF02071827/fulltext.html
• Web Site: http://link.springer.com/content/pdf/10.1007/BF02071827
• データソース種別:
  • JaLC
  • Crossref
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可