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Geographical variation in body size of a pelagic seabird, the streaked shearwater Calonectris leucomelas
http://hdl.handle.net/2237/25091
http://hdl.handle.net/2237/250914abfe574-5511-45fb-9613-f1bb4a6b445c
名前 / ファイル | ライセンス | アクション |
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Yamamoto_et_al_Biogeography.pdf ファイル公開:2017/04/01 (755.4 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2016-11-24 | |||||
タイトル | ||||||
タイトル | Geographical variation in body size of a pelagic seabird, the streaked shearwater Calonectris leucomelas | |||||
言語 | en | |||||
著者 |
Yamamoto, Takashi
× Yamamoto, Takashi× Kohno, Hiroyoshi× Mizutani, Akira× Yoda, Ken× Matsumoto, Sakiko× Kawabe, Ryo× Watanabe, Shinichi× Oka, Nariko× Sato, Katsufumi× Yamamoto, Maki× Sugawa, Hisashi× Karino, Kiyotaka× Shiomi, Kozue× Yonehara, Yoshinari× Takahashi, Akinori |
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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 | ||||||
言語 | en | |||||
権利情報 | This is the peer reviewed version of the following article: [Journal of Biogeography. v.43, n.4, 2016, p.801-808], which has been published in final form at [http://doi.org/10.1111/jbi.12654]. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving. | |||||
抄録 | ||||||
内容記述 | Aim: In general, within temperate latitudes, races of endotherms tend to show larger body size at higher latitudes, while smaller bodied ones tend to be found at lower latitudes, a pattern known as Bergmann's rule (or James's rule for intra-specific patterns). The adaptive basis of this geographical variation in body size is explained mostly by the heat conservation hypothesis. Application of Bergmann's rule has been confirmed mostly among terrestrial taxa and studies of marine taxa are rare. Our aim was to examine whether the intra-specific variation in body size of a pelagic seabird species (streaked shearwater Calonectris leucomelas) follows Bergmann's/James's rule. Location: Eight different breeding colonies of the streaked shearwater, ranging from 24–39° N in latitude (approximately the full latitudinal range of the species) and 123–142° E in longitude. Methods: We measured morphological traits of 454 adult streaked shearwaters in total. Principal components analysis was used to create a composite body size index for each sex from each colony using the measured traits, and the value of first principal component was compared. The relationships between body size index and latitude, longitude and the averaged mean air temperature were examined using generalized linear models. Results: Body size was positively correlated with latitude and longitude, and negatively correlated with the mean air temperature. Latitude and longitude were highly correlated with air temperature. Nonetheless, between colonies, populations that are considered to forage over large areas appeared to exhibit smaller body size than those of lower latitude populations. Main conclusion: The overall trend of the geographical variations in body size of streaked shearwaters followed Bergmann's/James's rule, suggesting that this rule may be applicable to seabirds. However, in addition to thermoregulatory adaptation, intra-specific differences in foraging characteristic in relation to local marine environment might also affect the body size in highly mobile seabirds | |||||
言語 | en | |||||
内容記述タイプ | Abstract | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | Wiley | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプresource | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
出版タイプ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1111/jbi.12654 | |||||
ISSN | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 1365-2699 | |||||
書誌情報 |
en : Journal of Biogeography 巻 43, 号 4, p. 801-808, 発行日 2016-04 |
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著者版フラグ | ||||||
値 | author | |||||
URI | ||||||
識別子 | http://doi.org/10.1111/jbi.12654 | |||||
識別子タイプ | DOI | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2237/25091 | |||||
識別子タイプ | HDL |