Climate change affects breeding of reed warblers <i>Acrocephalus scirpaceus</i>

Hałupka, Lucyna; Dyrcz, Andrzej; Borowiec, Marta

doi:10.1111/j.0908-8857.2008.04047.x

Cited by 110 publications

(110 citation statements)

References 29 publications

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“…Given that there is a strong within-season decline in clutch size among bird species (Crick et al 1993), our data suggest that the Fieldfares' increase in mean brood size is caused by shifting its entire breeding season toward earlier dates, while in Song Thrushes the decline is driven by extending its breeding season with many late small-clutched broods. A long-term increase in brood size has been found in other open-nesting species, for example, Red-backed Shrikes Lanius collurio (Hušek & Adamík 2008), Eurasian Reed Warblers Acrocephalus scirpaceus and Great Reed Warblers Acrocephalus arundinaceus (Schaefer et al 2006, but see Halupka et al 2008).…”

Section: Trends In Breeding and Climatementioning

confidence: 94%

Effect of climatic change on the duration of the breeding season in three European thrushes

Najmanová

Adamík

2009

Bird Study

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Capsule Evidence for extension of breeding seasons in Song Thrushes and Blackbirds (multiple-brooded species) and shortening in Fieldfares (a single-brooded species). Aims To analyse breeding data from central Europe during 1964-2006 in relation to climatic conditions operating at breeding and wintering grounds, and to compare breeding phenology in urban and rural habitats. Methods Using chick ringing data we evaluated long-term changes in breeding phenology of Fieldfares Turdus pilaris, Song Thrushes T. philomelos and Common Blackbirds T. merula . Changes in phenology were analysed for the 5th percentile, median, 95th percentile, inter-quantile range (IQR) and brood size. Results All thrushes showed consistent trends towards earlier onset of breeding. However, there was a contrasting pattern in the later phenological characteristics (median, 95th percentile and IQR) that were associated with single-versus multiple-brooded species. The single-brooded Fieldfares revealed an advancing trend in all phenological phases, which caused shortening of its breeding period. In contrast, the multiple-brooded Song Thrushes and Blackbirds delayed both medians and the 95th percentiles of breeding dates leading to extension of their breeding seasons. Temperatures at both wintering and breeding grounds were generally negatively associated with the onset of breeding. Urban birds bred significantly earlier than their rural conspecifics, but brood sizes did not differ. Conclusion Multiple-brooded species may respond differently to increasing spring temperatures than single-brooded species.

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Section: Trends In Breeding and Climatementioning

confidence: 94%

Effect of climatic change on the duration of the breeding season in three European thrushes

Najmanová

Adamík

2009

Bird Study

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“…On the other hand, a higher productivity of offspring related to climate-driven favourable conditions on the breeding grounds may counterbalance this effect. For example, studies of two populations of Reed Warblers from central Europe (Schaefer et al 2006;Halupka et al 2008) revealed that increased temperatures observed in recent years during the breeding season were correlated with a higher number of nestlings produced by breeding pairs. However, as various recent estimations of population trends for the Reed Warbler have produced equivocal results (Ockendon et al 2012(Ockendon et al , 2014Vickery et al 2014, Inger et al 2015, further detailed studies are needed.…”

Section: Discussionmentioning

confidence: 99%

“…During the last few decades large-scale climatic changes have significantly affected local weather conditions in many parts of the globe (Houghton 2015). As such, changes in weather parameters may occur at the wintering or breeding grounds, as well as at stopover sites (Halupka et al 2008;Zwarts et al 2009;García-Mozo et al 2011). Large-scale climatic changes may also cause weather anomalies along the migratory routes (Tøttrup et al 2012) that may affect the survival or population dynamics of various bird species (Sanderson et al 2006;Ockendon et al 2014;Inger et al 2015;Jansen et al 2015;Woodworth et al 2017).…”

Section: Introductionmentioning

confidence: 99%

Conditions at autumn stopover sites affect survival of a migratory passerine

Hałupka

Wierucka

Sztwiertnia³

et al. 2017

J Ornithol

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Weather is an important factor affecting many aspects of avian ecology, yet its importance for survival during various periods of the avian annual cycle has received relatively little attention and remains poorly understood. We have investigated the effect of weather conditions at the breeding and wintering grounds and during migration on the survival probability of Eurasian Reed Warblers Acrocephalus scirpaceus, a long-distance Palaearctic-African migrant species. We found that annual survival was significantly affected by precipitation at the autumn stopover sites in Spain and Morocco, where Reed Warblers accumulate energy reserves prior to crossing the Sahara desert: low rainfall was associated with decreased survival. We suggest that arid conditions at these crucial stopover sites may cause limitations in food availability, prevent proper refueling and hence result in lower survival.Survival estimates were not related to weather conditions in Africa during the bird wintering period or the preceding wet season. Likewise, meteorological conditions at the breeding area did not influence survival. Survival estimates for males and females did not differ, although recapture probability was significantly lower for females than for males. Our results indicate that weather significantly influences Reed Warbler survival, although its effect may vary for different stages of the annual cycle. Our findings suggest that marked climatic changes occurring along migratory routes, in particular at important stopover sites, may have far-reaching consequences on bird survival and population size.

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“…Rainfall patterns and temperature fluctuations determine, for example, reed growth (Garris et al 2015) and food availability (Gwitira et al 2015) and thereby affect distribution, density, spring arrival dates and breeding success of reed bird communities (e.g. Virkkala et al 2005;Halupka et al 2008;Eglington et al 2015).…”

Section: Song Variation and Climatementioning

confidence: 99%

Distinct song parts of the endemic marsh grassbird of China vary with latitude and climate among migratory and sedentary populations

et al. 2017

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Birdsong can act as a premating barrier to gene flow through its role in mate attraction and territorial defence. The link between geographic variation in song structure and ecological factors is key to the process of acoustically guided population divergence and isolation. Migratory behaviour is an example of such an ecological factor. In this study, we asked whether latitude and climate can explain song variation among migratory and sedentary populations of the marsh grassbird (Locustella pryeri sinensis), a rare songbird endemic of wetlands of eastern and northeastern China. We investigated two structurally different song parts: a repeating trill part followed by a more variable warble part. We found significant variation in acoustic structure and distinct divergence patterns between the two song parts across a latitudinal gradient and strong acoustic correlations with several bioclimatic variables. The trill part showed an increase in maximum frequency with latitude and the warble part became longer with fewer element types towards three higher latitude, migratory populations. These patterns are in line with a dual function of both song parts, increased sexual selection pressure at higher latitude and a complex impact of climate on song through vegetation and weather conditions.

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Climate change affects breeding of reed warblers Acrocephalus scirpaceus

Cited by 110 publications

References 29 publications

Effect of climatic change on the duration of the breeding season in three European thrushes

Effect of climatic change on the duration of the breeding season in three European thrushes

Conditions at autumn stopover sites affect survival of a migratory passerine

Distinct song parts of the endemic marsh grassbird of China vary with latitude and climate among migratory and sedentary populations

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