: Bull. Hoshizaki Green Found: Mar Records on Freshwater Invertebrate and Vertebrate of Irrigation Canal in Izumo-heiya, Shimane Prefecture, Japan Masakazu HAYASHI, Katsuhide YAMAGUCHI, Hiroshi NAKANO, Seiji TERAOKA and Toshiki KOSHIKAWA Hoshizaki Green Foundation, Okinoshima, Sono, Izumo, Shimane Pref.,Japan Abstract Izumo-heiya is a flat around lower rivers of Hii-kawa and Kando-gawa. Many irrigation canals on the flat are habitat of freshwater invertebrate and vertebrate. In,species were found fromsites on the canal and one site of reservoir: four species of Mollusca, six species of Crustacea, species of Insecta, species of Osteichthyes, and two species of Amphibia. The pools connected the irrigation canal are important habitats of the freshwater invertebrate and vertebrate. Key wordsbenthos, freshwater fish, aquatic insect, irrigation canals, Shimane Prefecture
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