| アイテムタイプ |
デフォルトアイテムタイプ_（フル）(1) |
| 公開日 |
2023-03-18 |
| タイトル |
|
|
タイトル |
Age determination by skeletochronology of the Japanese giant salamander Andrias japonicus (Amphibia, Urodela) |
|
言語 |
en |
| 作成者 |
Yamasaki, Hiromi
Taguchi, Yuki
Minami, Shinji
Kuwabara, Kazushi
Shimizu, Norio
|
| アクセス権 |
|
|
アクセス権 |
open access |
|
アクセス権URI |
http://purl.org/coar/access_right/c_abf2 |
| 権利情報 |
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|
権利情報 |
Copyright (c) 2017 広島大学総合博物館 Hiroshima University Museum |
| 主題 |
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|
主題Scheme |
Other |
|
主題 |
giant salamander |
| 主題 |
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|
主題Scheme |
Other |
|
主題 |
Andrias japonicus |
| 主題 |
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|
主題Scheme |
Other |
|
主題 |
age determination |
| 主題 |
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|
主題Scheme |
Other |
|
主題 |
skeletochronology |
| 主題 |
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|
主題Scheme |
Other |
|
主題 |
amphibians |
| 主題 |
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|
主題Scheme |
Other |
|
主題 |
natural monument |
| 主題 |
|
|
主題Scheme |
NDC |
|
主題 |
480 |
| 内容記述 |
|
|
内容記述 |
In the past several years, a number of studies have been carried out on the behavioral and reproductive ecology of the Japanese giant salamander Andrias japonicus, but the age and longevity of A. japonicus has not yet been studied. In this study, we attempted to establish an age determination method using specimens (age: 1 to 11 years old) from Hiroshima City Asa Zoological Park that lived and died in captivity. The cross sections of phalangeal bones were nearly circular in shape, and hematoxylinophilic lines that were interpreted as lines of arrested growth (LAGs) were observed in the periosteal tissue; this suggests that this technique can be used to estimate the age of A. japonicus. The number of LAGs was one less than the number of winters that each individual experienced. We could observe LAGs in both frozen and 10% formalin specimens. LAGs could be confirmed even for specimens that had been fixed in formalin for up to 30 years. By using this method, it was suggested that the lifespan of this species could be determined from specimens existing in museums, zoos, and aquariums worldwide. It also showed potential for providing important conservation information, such as generation time and age structure of populations in the field. |
|
言語 |
en |
| 内容記述 |
|
|
内容記述タイプ |
Other |
|
内容記述 |
This work supported by JSPS KAKENHI Grant Numbers JP 26870400, JP 17K 01209. |
| 出版者 |
|
|
出版者 |
広島大学総合博物館 |
| 言語 |
|
|
言語 |
eng |
| 資源タイプ |
|
|
資源タイプ識別子 |
http://purl.org/coar/resource_type/c_6501 |
|
資源タイプ |
departmental bulletin paper |
| 出版タイプ |
|
|
出版タイプ |
VoR |
|
出版タイプResource |
http://purl.org/coar/version/c_970fb48d4fbd8a85 |
| ID登録 |
|
|
ID登録 |
10.15027/45332 |
|
ID登録タイプ |
JaLC |
| 収録物識別子 |
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|
収録物識別子タイプ |
ISSN |
|
収録物識別子 |
1884-4243 |
| 収録物識別子 |
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|
収録物識別子タイプ |
NCID |
|
収録物識別子 |
AA12459864 |
| 開始ページ |
|
|
開始ページ |
41 |
| 書誌情報 |
広島大学総合博物館研究報告
Bulletin of the Hiroshima University Museum
号 9,
p. 41-47,
発行日 2017-12-25
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| 見出し |
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|
大見出し |
原著論文 |
|
言語 |
ja |
| 見出し |
|
|
大見出し |
Article |
|
言語 |
en |
| 旧ID |
45332 |
BullHiroshimaUnivMuseum_9_41.pdf (607.5 KB)
