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Documents disponibles écrits par cet auteur (7)
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Article
Yuichi Yamaura, Auteur ; Heiko Schmaljohann, Auteur ; Akira Unno, Auteur ; Kazuhiro Kawamura, Auteur ; Munehiro Kitazawa, Auteur ; Shigeho Sato, Auteur ; Daisuke Aoki, Auteur ; Yuji Okahisa, Auteur ; Masayuki Senzaki, AuteurWhile many long-distance migratory birds are experiencing severe population declines, some species showed abundance increases and range expansions. Knowledge of migratory routes may provide key insights into these variations of population dynami[...]
Article
Munehiro Kitazawa, Auteur ; Masayuki Senzaki, Auteur ; Hiroaki Matsumiya, Auteur ; Seiichi Hara, Auteur ; Haruka Mizumura, AuteurThe Brown Shrike Lanius cristatus breeds across a large portion of eastern Asia. One subspecies, L. c. superciliosus, is primarily endemic to Japan and was historically abundant throughout its breeding range. However, both local- and broad-scale[...]
Article
Munehiro Kitazawa, Auteur ; Yuichi Yamaura, Auteur ; Kazuhiro Kawamura, Auteur ; Masayuki Senzaki, Auteur ; Satoshi Yamanaka, Auteur ; Masashi Hanioka, Auteur ; Futoshi Nakamura, AuteurAbandoned farmland area has been expanding globally for decades. Studies showed that conservation value of abandoned farmland has differed among studies and regions, and thus is difficult to predict. However, predicting the effects of farmland a[...]
Article
Masayuki Senzaki, Auteur ; Akira Terui, Auteur ; Naoki Tomita, Auteur ; Fumio Sato, Auteur ; Yoshihiro Fukuda, Auteur ; Yoshihiro Kataoka, Auteur ; Yutaka Watanuki, AuteurGlobal seabird populations are in decline, with nearly half of all seabird species currently in an extinction crisis. Understanding long-term seabird population trends is an essential first step to inform conservation actions. In this study, we [...]
Article
Masayuki Senzaki, Auteur ; Makoto Hasebe, Auteur ; Yoshihiro Kataoka, Auteur ; Yoshihiro Fukuda, Auteur ; Bungo Nishizawa, Auteur ; Yutaka Watanuki, AuteurThe Spectacled Guillemot (Cepphus carbo) is a seabird endemic to northeastern Asia. It is listed as a "Vulnerable" species in Japan, though little is known of its population status. Population surveys were carried out during 2011-2014 throughout[...]
Article
Yuichi Yamaura, Auteur ; Heiko Schmaljohann, Auteur ; Simeon Lisovski, Auteur ; Masayuki Senzaki, Auteur ; Kazuhiro Kawamura, Auteur ; Yuzo Fujimaki, Auteur ; Futoshi Nakamura, AuteurThe East Asian-Australian Flyway spans from north Asia to Australia and is the world's richest birds' flyway because it involves > 40% of global migratory bird species. However, information is lacking on individual migratory routes and non-breed[...]
Article
Masayuki Senzaki, Auteur ; Yuichi Yamaura, Auteur ; Futoshi Nakamura, AuteurGiven the global reduction in biodiversity, conservation actions must occur even with only a partial understanding of the distribution and abundance of species in various locales. The concept of surrogate species, those whose protection affords [...]
