水産試験場・釣り具メーカー・釣り人による日本でのブルーギル(Lepomis macrochirus)の放流について 1960-1975年

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タイトル別名
  • Stocking with Bluegill Sunfish, Lepomis macrochirus, by Fisheries Experimental Stations, Fishing Tackle Makers, and Anglers in Japan, 1960-1975
  • スイサン シケンジョウ ・ ツリグ メーカー ・ ツリビト ニ ヨル ニホン デ ノ ブルーギル(Lepomis macrochirus)ノ ホウリュウ ニ ツイテ 1960-1975ネン

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This paper discusses some facts that were pivotal in the process of the introduction of Bluegill Sunfish, Lepomis macrochirus, into various places in Japan, however have not been considered in the existing literature. This paper points out that L.macrochirus escaped, and also was stocked, to the open water in Osaka as a result of experiments by a fisheries experimental station in the 1960s and early 1970s. In Shiga Prefecture too, the fish escaped into Lake Biwa as a result of experiments by a fisheries experimental station in about 1969. Neither Osaka nor Shiga are mentioned, by previous studies based on questionnaire research, as the prefectures in which L.macrochirus inhabited in the years between 1960, when the fish was first introduced into Japan, and 1979. In addition, anglers, who considered L.macrochirus an ideal game fish, stocked ponds and lakes in some prefectures with L.macrochirus in around 1970 on purpose to multiply the species. During this process, a network among not only local governments, fisheries experimental stations, and fish farmers, but also industries targeting anglers, such as fishing tackle makers and a magazine for anglers, was being formed, which however did not get established after all. These findings will contribute to enrich the basis of today's genetic research on the distribution of L.macrochirus in Japan.

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  • 科学史研究

    科学史研究 53 (270), 169-, 2014

    日本科学史学会

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