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美鈴湖におけるヒキガエル(Bufo bufo formosus)の産卵行動に関する研究 I 産卵出動開始の時期に及ぼす地温の影響
http://hdl.handle.net/10091/10505
http://hdl.handle.net/10091/1050502e68c08-12d0-4871-aed8-fb14212cb321
| 名前 / ファイル | ライセンス | アクション |
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Science12-01-07.pdf (1.1 MB)
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| Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||||||||
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| 公開日 | 2010-10-06 | |||||||||||
| タイトル | ||||||||||||
| タイトル | 美鈴湖におけるヒキガエル(Bufo bufo formosus)の産卵行動に関する研究 I 産卵出動開始の時期に及ぼす地温の影響 | |||||||||||
| タイトル | ||||||||||||
| タイトル | Studies on the Breeding Behavior of the Toad, Bufo bufo formosus, at Lake Misuzu, I. Effect of Underground Temperature on the Spring Emergence, (in Japanese) | |||||||||||
| 言語 | ||||||||||||
| 言語 | jpn | |||||||||||
| 資源タイプ | ||||||||||||
| 資源 | http://purl.org/coar/resource_type/c_6501 | |||||||||||
| タイプ | departmental bulletin paper | |||||||||||
| 著者 |
青柳, 正彦
× 青柳, 正彦
× Bufo研究会
× 宇和, 紘
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| 出版者 | ||||||||||||
| 出版者 | 信州大学理学部 | |||||||||||
| 引用 | ||||||||||||
| 内容記述 | 信州大学理学部紀要 12(1): 65-78(1977) | |||||||||||
| 書誌情報 |
信州大学理学部紀要 巻 12, 号 1, p. 65-78, 発行日 1977-09-30 |
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| 抄録 | ||||||||||||
| 内容記述 | Effects of temperatures and precipitation on the spring emergence of the toad, Bufo bufo formosus, were observed at Lake Misuzu, 1.7 km in circumference and 1000 m above sea level, near Matsumoto City. Toads breed immediately after their emergence which occurs throughout the period from late April into early May. There are three main breeding spots in the lake. Air, soil and water temperatures around breeding spot B, called B-region, where the toads seem to hibernate, were measured from late March to early May in the years 1974-1976. It was found that the initiation of the emergence was nfluenced by the underground temperature : over an observation period of three years, the emergence occurred when the soil temperature at a depth of 20 cm rose more than 6.6℃. Occasionaly, precipitation stimulated the initiation of the emergence. Also, the times of the emergence in the years 1967-1973 corresponded well with the estimated values of the underground temperature at a depth of 20 cm calculated from air temperatures of Matsumoto City : the emergence began when the estimated temperatures rose more than 6.7-7.3℃, except for the years 1967 and 1969 in which a heavy snow fall occurred in the middle of April. It is not certain whether or not the emergence of the toads is influenced directly by the soil temperature at a depth of 20 cm. However, the underground temperature at this depth seems to be a good indicater to use to estimate the time of the spring emergence of the toad. (Jour. Fac. Sci. Shinshu Univ. 12 : 65-80, 1977) | |||||||||||
| 資源タイプ（コンテンツの種類） | ||||||||||||
| ISSN | ||||||||||||
| 収録物識別子タイプ | PISSN | |||||||||||
| 収録物識別子 | 0583-063X | |||||||||||
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| 収録物識別子タイプ | NCID | |||||||||||
| 収録物識別子 | AA00697923 | |||||||||||
| 出版タイプ | ||||||||||||
| 出版タイプ | VoR | |||||||||||
| 出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||||||
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青柳, 正彦, Bufo研究会, 宇和, 紘, 1977, 美鈴湖におけるヒキガエル(Bufo bufo formosus)の産卵行動に関する研究 I 産卵出動開始の時期に及ぼす地温の影響: 信州大学理学部, 65–78 p.
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