GSTDTAP  > 资源环境科学
DOI10.1111/ele.13156
Aquatic insects rich in omega-3 fatty acids drive breeding success in a widespread bird
Twining, Cornelia Wingfield1,2,3; Shipley, Jeremy Ryan1,2; Winkler, David W.1
2018-12-01
发表期刊ECOLOGY LETTERS
ISSN1461-023X
EISSN1461-0248
出版年2018
卷号21期号:12页码:1812-1820
文章类型Article
语种英语
国家USA; Germany
英文摘要

Ecologists studying bird foraging ecology have generally focused on food quantity over quality. Emerging work suggests that food quality, in terms of highly unsaturated omega-3 fatty acids (HUFA), can have equally important effects on performance. HUFA, which are present in aquatic primary producers, are all but absent in vascular plants, and HUFA content is also correspondingly higher in aquatic insects. Here, we show that Tree Swallow (Tachycineta bicolor) chicks rapidly accumulate HUFA from food during the nestling period. Using data sampled over 24 years, we also show that Tree Swallow breeding success is positively associated with the availability of HUFA-rich aquatic insects. Variation in aquatic insect biomass during chick development was a strong predictor of fledging success, whereas variation in terrestrial insects had little effect on fledging success. Our results highlight the potential for nutritional mismatches between insectivores and high-quality prey to affect avian reproductive performance.


英文关键词Aerial insectivores breeding success ecological subsidies food quality highly unsaturated omega-3 fatty acids long-term ecological data Tree Swallows
领域资源环境
收录类别SCI-E
WOS记录号WOS:000449662400006
WOS关键词SWALLOWS TACHYCINETA-BICOLOR ; POLYUNSATURATED FATTY-ACIDS ; LENGTH-MASS RELATIONSHIPS ; TREE SWALLOWS ; AGRICULTURAL INTENSIFICATION ; AERIAL INSECTIVORE ; CLIMATE-CHANGE ; METHYL-ESTERS ; FRESH-WATER ; RED KNOTS
WOS类目Ecology
WOS研究方向Environmental Sciences & Ecology
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文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/31142
专题资源环境科学
作者单位1.Cornell Univ, Dept Ecol & Evolutionary Biol, Ithaca, NY 14853 USA;
2.Max Planck Inst Ornithol, D-78315 Radolfzell am Bodensee, Germany;
3.Univ Konstanz, Limnol Inst, D-78464 Constance, Germany
推荐引用方式
GB/T 7714
Twining, Cornelia Wingfield,Shipley, Jeremy Ryan,Winkler, David W.. Aquatic insects rich in omega-3 fatty acids drive breeding success in a widespread bird[J]. ECOLOGY LETTERS,2018,21(12):1812-1820.
APA Twining, Cornelia Wingfield,Shipley, Jeremy Ryan,&Winkler, David W..(2018).Aquatic insects rich in omega-3 fatty acids drive breeding success in a widespread bird.ECOLOGY LETTERS,21(12),1812-1820.
MLA Twining, Cornelia Wingfield,et al."Aquatic insects rich in omega-3 fatty acids drive breeding success in a widespread bird".ECOLOGY LETTERS 21.12(2018):1812-1820.
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