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伊豆半島,駿河・遠州地方及び赤石山脈南部の淡水産プラナリアの生態調査報告 Report on the ecological survey of freshwater planarians in the Izu Peninsula, the Suruga-Enshu district and the southern part of the Akashi Mountains, Honshu 川勝, 正治 山下 孝幸 戸田 英雄 青木 舜 KAWAKATSU, MASAHARU YAMASHITA TAKAYUKI TODA HIDE0 AOKI KIYOSHI 伊豆半島,駿河・遠州地方及び赤石山脈南部(静岡県と山梨県南部)の淡水樺三岐腸類の分布を調査した結果,ナミウズムシDugesia japonica japonica ICHIKAWA et KAWAKATSU,1964,ミヤマウズムシPhagocata vivida(lJIMA et KABURAKI,1916),カズメウズムシPolycelis (Seidlia) IJIMA et KABURAKI,1916が出現した。これら3種類の垂直分布範囲と棲息水温範囲は,D.j.japonicaが10～1580m(2.0～22.8℃),Ph.vividaが680～1140m(9.5～11.5℃),Pol.auriculataが1360～1580m(9.3～12.3℃)であった。垂直分布型は平地と高原部がJ,赤石山脈南端の高山帯がJ-JV-JAであった。 Report on the ecological survey of freshwater planarians in the Izu Peninsula, the Suruga- Enshu district and the southern part of the Akaishi Mountains, Honshu. Masaharu KAWAKATSU(Biological Laboratory, Fuji Women's College, Sapporo), Takayuki YAMASHITA(Takai Dai'ichi Middle School, Shizuoka), Hideo TODA (Hamamatsu City High School, Hamamatsu) and Kiyoshi AOKI (Nanzan High School, Nagoya). The vertical distribution of freshwater planarians in the southeastern part of the Chubu Region in Honshu. (i. e., Shizuoka Prefecture and the southwestern part of Yamanashi Prefecture ; Lat. 34°35' N. to Lat. 35°40' N. and Long. 137°27' E. to 139°10' E.) was surveyed during the years 1971 to 1985. In the area surveyed, the eastern part including the Izu Peninsula is characterized by hills, volcanic heights and mountains. The north-central part is characterized by several high mountains of the Akaishi Mountains (the South Japan Alps). The southern and western parts are characterized by plains and the diluvial hills. The main river systems in the area are as follows : the Kano-gawa River, the Uruigawa River, the Fuji-gawa River, the Okitsu-gawa River, the Abe-gawa River, the Oi-gawa River, the Umagome-gawa River, and several short rivers around Lake Hamana-ko. In the area surveyed, three species of freshwater planarians, Dugesia japonica japonica ICHIKAWA et KAWAKATSU, Phagocata vivida ( IJIMA et KABURAKI) and Polycelis ( Seidlia) auriculata IJIMA et KABURAKI, were found. D. j. japonica was found to be a common species at the stations below the altitude of 1580 meters. Ph. vivida was found at the stations within the altitude range of about 680 to 1140 meters. Pol. auriculata was found at the stations within the altitude range of about 1360 to 1580 meters. The inhabitable water temperature range of these three species was as follows : D. j. japonica (2.0～22.8℃ ; the data of the whole year.) ; Ph. vivida (9.5～11.5℃ ; the data of summer only) ; Pol. auriculata (9.3～12.3℃ ; the data of summer only). The type of the vertical distribution in plains and hilly districts is J (the japonica area) ; that of the southern district of the Akaishi Mountains is J-JV-JA (the japonica-vivida-auriculata area). 10 KJ00006968508 論文 1985-12-01 jpn departmental bulletin paper https://fujijoshi.repo.nii.ac.jp/records/1224 AN00218046 23 139 148 https://fujijoshi.repo.nii.ac.jp/record/1224/files/KJ00006968508.pdf application/pdf 708.5 kB 2016-08-22