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ニホンウサギコウモリの出産保育コロニーの構造と繁殖特性
http://hdl.handle.net/2241/00137441
http://hdl.handle.net/2241/00137441fc5938f3-835c-4fab-9aa8-aba9f857a6f7
名前 / ファイル | ライセンス | アクション |
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49_225 (547.3 kB)
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Item type | Journal Article(1) | |||||
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公開日 | 2016-03-17 | |||||
タイトル | ||||||
タイトル | ニホンウサギコウモリの出産保育コロニーの構造と繁殖特性 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Structure of nursery colonies and reproductive traits of the Japanese long-eared bat, Plecotus auritus sacrimontis | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題 | Plecotus auritus | |||||
キーワード | ||||||
主題 | nursery colony | |||||
キーワード | ||||||
主題 | roost fidelity | |||||
キーワード | ||||||
主題 | age at first pup-birth | |||||
キーワード | ||||||
主題 | Plecotus auritus | |||||
キーワード | ||||||
主題 | nursery colony | |||||
キーワード | ||||||
主題 | roost fidelity | |||||
キーワード | ||||||
主題 | age at first pup-birth | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
吉倉, 智子
× 吉倉, 智子× 村田, 浩一× 三宅, 隆× 石原, 誠× 中川, 雄三× 上條, 隆志 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | ニホンウサギコウモリ(<i>Plecotus auritus sacrimontis</i>)の出産保育コロニーの構造を明らかにすることを目的とし,本州中部の4ヶ所のコロニーで最長5年間の標識再捕獲調査を行った.出産保育コロニーの構造として,齢構成,コロニーサイズとその年次変化,性比および出生コロニーへの帰還率について解析した.また,初産年齢および齢別繁殖率についても解析した.本調査地におけるニホンウサギコウモリの出産保育コロニーは,母獣と幼獣(当歳獣)による7~33個体で構成されていた.また,各コロニー間でコロニーサイズやその年次変化に違いがみられた.幼獣の性比(オス比)は,4ヶ所のコロニー全体で54.2%であり,雌雄の偏りはみられなかったが,満1歳以上の未成獣個体を含む成獣の性比は1.0%とメスに強い偏りがみられた.オスの出生コロニーへの帰還率は,全コロニーでわずか3.6%(2/56)であった.一方,メスの翌年の帰還率は,4ヶ所のコロニーでそれぞれ高い順に78.9%,63.6%,16.7%,0%であった.初産年齢は満1歳または満2歳で,すべてのコロニーを合算した帰還個体の齢別繁殖率は,満1歳で50%(12/24),満2歳で100%(13/13)であった.また,満2歳以上のメスは全て母獣であり,出産年齢に達した後は毎年出産し続けていることが確認された.<br> | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | This study aimed to describe the nursery colony structure of the Japanese long-eared bat, <i>Plecotus auritus sacrimontis</i>. We investigated four colonies over five years by the banding-recapture method in Shizuoka and Yamanashi Prefectures, central Japan. We analyzed yearly changes in colony composition and size, sex ratio, roost fidelity and age of first pup-birth. Colonies were composed of 7–33 individuals, mainly mothers, immature females, and infants of both sexes, although a few adult males were also found in these colonies. The mean sex ratio (male:female ratio) of infants was 0.54, while that of adults was 0.01. Roost fidelity differed remarkably between males (3.6%) and females (54.5%). Most banded infant males did not return to their natal colony. On the other hand, return rates of banded infant females were 78.9%, 16.7%, 63.6% and 0%. Females had their first young when they were one or two years old.<br> | |||||
書誌情報 |
哺乳類科学 en : Honyurui Kagaku (Mammalian Science) 巻 49, 号 2, p. 225-235, 発行日 2009-12-30 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0385437X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00231656 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.11238/mammalianscience.49.225 | |||||
権利 | ||||||
権利情報 | 日本哺乳類学会 | |||||
著者版フラグ | ||||||
値 | publisher | |||||
出版者 | ||||||
出版者 | 日本哺乳類学会 | |||||
出版者別名 | ||||||
出版者 | The Mammal Society of Japan |