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The effect of urbanization and exposure to multiple environmental factors on life-history traits and breeding success of Barn Swallows(Hirundo rustica)across China

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Avian Research 2022年第3期13卷 301-310页

作者： Yanyan Zhao Emilio Pagani-Nú~nez Yu Liu Xiaoying Xing Zhiqiang Zhang Guangji Pan Luting Song Xiang Li Zhuoya Zhou Yanqiu Chen Donglai Li Yang Liu Rebecca J.Safran State Key Laboratory of Biocontrol School of EcologySun Yat-sen UniversityGuangzhou510006China Institute of Eco-Environmental Research Guangxi Academy of SciencesNanning530007China Department of Health and Environmental Sciences Xi’an Jiaotong-Liverpool UniversitySuzhou215028China Key Laboratory for Biodiversity Science and Ecological Engineering Ministry of EducationCollege of Life SciencesBeijing Normal UniversityBeijing100091China College of Wildlife and Protected Area Northeast Forestry UniversityHarbin150006China Institute of Wildlife Conservation Central South University of Forestry and TechnologyChangsha410004China College of Life Science Liaoning UniversityShenyang110036China Department of Ecology and Evolutionary Biology University of ColoradoBoulderUSA

In addition to landscape changes,urbanization also brings about changes in environmental factors that can affect *** the common referral in the published literature to multiple environmental factors such as light and noise pollution,there is a gap in knowledge about their combined *** developed a multidimensional environmental framework to assess the effect of urbanization and multiple environmental factors(light,noise,and temperature)on life-history traits and breeding success of Barn Swallows(Hirundo rustica)across rural to urban gradients in four locations spanning over 2500 km from North to South *** a single breeding season,we measured these environmental factors nearby nests and quantified landscape urbanization over a 1km~*** then analysed the relationships between these multiple environmental factors through a principal component analysis and conducted spatially explicit linear-mixed effects models to assess their effect on lifehistory traits and breeding *** were particularly interested in understanding whether and how Barn Swallows were able to adapt to such environmental conditions associated with *** results show that there is significant variation in the exposure to environmental conditions experienced by Barn Swallows breeding across urbanization gradients in *** changes and their effects are complex due to the behavioural responses ameliorating potential negative effects by selecting nesting sites that minimize exposure to environmental ***,significant relationships between landscape urbanization,exposure to environmental factors,and life-history traits such as laying date and clutch size were ***,the impact on breeding success was,at least in our sample,negligible,suggesting that Barn Swallows are extremely adaptable to a wide range of environmental features.

关键词： Fitness Heat-island effect Latitude Light pollution Noise pollution parental investment

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Male parent birds exert more effort to reproduce in two desert passerines

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Avian Research 2021年第3期12卷 375-381页

作者： Donghui Ma Mengjie Lu Zhichang Cheng Xingnan Du Xiaoyu Zou Xingxing Yao Xinkang Bao School of Life Sciences Lanzhou UniversityLanzhou 730000China

Background:parental investment by birds is limited by the habitat environment,and a male parent increases its effort to reproduce in birds that live in high-altitude ***:A study of the reproductive behaviour of the Saxaul Sparrow(Passer ammodendri)and the Isabelline Shrike(Lanius isabellinus)was carried out at the Gansu An’xi Extremely Arid Desert National Nature Reserve in northwest China to determine the reproductive input of passerine species in desert ***:In Saxaul Sparrows,compared to the female parent,the male parent exhibited a significantly higher fre-quency of nest-defense behaviour(chirping and warning)during nesting,hatching and feeding *** addition,in comparison to the female parent,the male parent exhibited almost equal frequencies of nesting and incubation but fed nestlings significantly more *** to the male sparrows,the feeding rates of the male Isabelline Shrikes were significantly higher than those of the *** hatching rate and fledging rate of the Saxaul Sparrow on aver-age in this study were 81.99 and 91.92%,respectively,while those of the shrike were 69.00 and 96.53%,***:These two different passerine species living in the same desert environment exhibited the same trend in their reproductive *** to desert environments is a strategy that may have evolved in passerines where male parent birds put more effort than females into reproduction to ensure high reproductive output.

关键词： Behaviour Isabelline Shrike parental investment Reproductive strategy Saxaul Sparrow

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维普期刊数据库

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Can simple songs express useful signals for mate choice?

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Chinese Birds 2016年第2期7卷 110-115页

作者： Nan Lyu Jinlin Li Yue-Hua Sun Key Laboratory of Animal Ecology and Conservation Biology Institute of ZoologyChinese Academy of Sciences

Background:As one of the most elaborate and diverse sexual signals,bird songs are prominent among mate choice *** generally prefer mates with larger repertoire size,which promotes the evolution of song complex?***,there are also some songbirds that have far simpler and less diverse vocalizations,which have not been the focus of scientific *** Phylloscopus warblers are accomplished singers with complex *** contrast,Hume's Warbler(***) has extremely simple *** order to explore the song's function,its evolutionary sig?nificance and particularly to assess its possible relationship with parental investment,we studied mate choice of the subspecies *** in Lianhuashan National Nature Reserve,Gansu,***:We recorded body measurements and songs of breeding males and then explored their relationships with the date of clutch initiation,reasoning that the characteristics of males that are involved with early nesting activities reflect female mate *** also recorded egg size and body measurements of nestlings to assess the rela?tionship between parental investment and mate ***:We found that male wing and tail lengths were positively correlated with early clutch initiation as were songs characterized by short duration and rapid rise to maximum *** also found that early?breeding females did not lay large eggs,but produced more surviving young,which grew up ***:Female mate choice criteria in this bird include both visual signals and song *** study supports the hypothesis that females may judge male quality from quite subtle *** order to reduce the risk of predation,a preference for such inconspicuous male characteristics may be partially driven by high vulnerability of this warbler to predators as a ground?nesting species.

关键词： Bird song Sexual selection Mate choice parental investment Hume's Warbler

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