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Prey Dynamics and the Breeding Phenology of Common Terns (Sterna hirundo)
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Prey Dynamics and the Breeding Phenology of Common Terns (Sterna hirundo)

著者: Carl Safina; Joanna Burger
版本/格式: 文章 文章 : 英语
刊登在:The Auk, Oct., 1988, vol. 105, no. 4, p. 720-726
数据库:JSTOR
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文件类型: 文章
所有的著者/提供者: Carl Safina; Joanna Burger
ISSN:0004-8038
OCLC号码: 484456449
语言注释: English
注意: Fig. 2. Changes in mean fish depth (± SE) during the breeding season of Common Terns.
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摘要:

We examined fish dynamics within the temporal framework of the reproductive cycle of Common Terns from 1982-1985. The hypothesis that the breeding season of terns is timed to overlap with a seasonal increase in food abundance was supported by the data. Prey fish were more available during breeding than postfledging. However, the further hypothesis that the timing of tern breeding is adapted to exploit peak prey availability while feeding growing chicks was not generally supported over the course of the study. Food for terns peaked and began to decline before the period of peak demand of food by chicks.

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