Breeding Status of Black-naped and Roseate Terns in the Yaeyama Islands, Ryukyu Islands, Japan, in 2001
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- Mizutani Akira
- Okinawa Regional Research Center, Tokai University
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- Kohno Hiroyoshi
- Okinawa Regional Research Center, Tokai University
Bibliographic Information
- Other Title
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- 琉球列島八重山諸島における2001年繁殖期のエリグロアジサシとベニアジサシの現状
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Abstract
The distribution of breeding sites, number of nests, and timing of egg laying of the threatened Black-naped Tern Sterna sumatrana and Roseate Tern S. dougallii was surveyed across most of the Yaeyama Islands, located among the southern Ryukyu Islands, in the 2001 breeding season. Black-naped Terns bred in 42 sites that included 1-64 nests (average number of nests, 14.8±16.5 SD). Roseate Terns bred in six sites that included 1-123 nests (average number of nests, 59.8±57.3 SD). At most of the breeding sites, Black-naped Terns started to lay eggs in late June; while at some breeding sites, breeding commenced in early or mid July. Roseate Terns started to lay eggs in late June at two sites and in mid June at the other site.
Journal
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- Journal of the Yamashina Institute for Ornithology
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Journal of the Yamashina Institute for Ornithology 39 (2), 101-111, 2008
Yamashina Institute for Ornitology
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Keywords
Details 詳細情報について
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- CRID
- 1390282680198966144
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- NII Article ID
- 130000446515
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- NII Book ID
- AA11864856
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- ISSN
- 18820999
- 13485032
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- NDL BIB ID
- 9425893
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed