温帯に生息する食虫性コウモリの生理・生態的適応に関する研究 : II.洞穴棲コウモリ数種の冬眠および冬季の活動性について

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タイトル別名
  • STUDIES ON THE PHYSIOLOGICAL AND ECOLOGICAL ADAPTATION OF TEMPERATE INSECTIVOROUS BATS : II. HIBERNATION AND WINTER ACTIVITY IN SOME CAVE-DWELLING BATS
  • 温帯に生息する食虫性コウモリの生理・生態的適応に関する研究-2-洞穴棲コウモリ数種の冬眠および冬季の活動性について〔英文〕
  • オンタイ ニ セイソクスル ショクチュウセイ コウモリ ノ セイリ セイタイテ

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説明

FUNAKOSHI, Kimitake & UCHIDA, Teru Aki (Zool. Lab., Fac. Agr., Kyushu Univ., Fukuoka). 1978. Studies on the physiological and ecological adaptation of temperate insectivorous bats. II. Hibernation and winter activity in some cave-dwelling bats. Jap. J. Ecol., 28 : 237-261. Cave-dwelling bats seasonally change their roosts. In winter Rhinolophus ferrumequinum nippon, R. cornutus cornutus and Miniopterus schreibersi fuliginosus are found in places with different ambient temperatures and humidities. Body temperatures of hibernation bats approximate the ambient ones. Arousal during the hibernation is mainly caused by endogenous rhythm or physiological requirements. As hibernation advances, arousal frequency drops, activity rhythm is retarded, and activity duration shortens gradually. Loss of body weight and stored fat is more in the first half of hibernation period than in the latter half. The larger bat, R. f. nippon, selects a wide range of environment for hibernation roosts. Its arousal frequency and loss rate or weight are low. The reverse is the case with the smaller bat, R. c. cornutus. The intermediate-sized bat, M. s. fuliginosus, forms huge, dense clusters, and their function is to keep down its body, temperature and weight loss during the hibernation. With scanty food sources in winter, some species (e. g., R. f. nippon) will hibernate deeply almost regardless of the change of ambient temperature, others arouse and feed occasionally (R. c. cornutus) or frequently (M. s. fuliginosus) during the hibernation period.

収録刊行物

  • 日本生態学会誌

    日本生態学会誌 28 (3), 237-261, 1978

    一般社団法人 日本生態学会

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