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Relationship of Seaweed / Seagrass Bed and Fisheries Production of the Seto Inland Sea

  • YOSHIDA Goro
    National Research Institute of Fisheries and Environment of Inland Sea, Fisheries Research Agency

Bibliographic Information

Other Title
  • 瀬戸内海の藻場と漁業生産
  • 学会賞受賞講演 瀬戸内海の藻場と漁業生産
  • ガッカイショウ ジュショウ コウエン セトナイカイ ノ モバ ト ギョギョウ セイサン

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Abstract

In this paper, ecological relationship between seaweed / seagrass bed and fisheries production is discussed on the results of correlation analysis between fisheries catch and the area of seaweed / seagrass beds of the Seto Inland Sea. In the analysis, the area of coastal ecological components (seaweed / seagrass beds, tidal flats and shallow (<10m) sea areas) and fisheries catch data was prepared from the past governmental statistics for the nine sub-sea areas (Suo-Nada, Iyo-Nada, Aki-Nada, Bingo-Geiyo-Seto, Hiuchi-Nada, Bisan-Seto, Harima-Nada, Osaka-Bay and Kii-Channel) in the Seto Inland Sea. The distribution patterns of these ecological components were quite different among the sub-sea areas, which show the Seto Inland Sea comprises diverse environmental and ecological characteristics. A number of positive correlations were detected between the area of these ecological components and fisheries catches, e.g., catches of Japanese flounder, fine spotted flounder, red sea bream, black sea bream, rock fishes (Sebastes spp.), sea urchins and turban shell (Turbo cornutus) with Zostera or Sargassum bed areas. The ecological roles of seaweed / seagrass beds to support coastal fisheries production was discussed, with referring to the extinction of these beds which the Seto Inland Sea has experienced in the past several decades.

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Details

  • CRID
    1390001205862436992
  • NII Article ID
    110009586177
  • NII Book ID
    AN10278554
  • DOI
    10.18903/fisheng.49.2_77
  • ISSN
    21897131
    09167617
  • NDL BIB ID
    024206192
  • Text Lang
    ja
  • Data Source
    • JaLC
    • NDL
    • CiNii Articles
  • Abstract License Flag
    Disallowed

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