Advanced Breeding Time in Line with Climate Did Not Affect Productivity of Great Reed Warblers<i>Acrocephalus arundinaceus</i>Despite the Shortening of the Nestling Period

Dyrcz, Andrzej; Czyż, Beata

doi:10.3161/00016454ao2018.53.1.002

Cited by 6 publications

(6 citation statements)

References 42 publications

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“…In response to much higher temperatures during the breeding season, Eurasian Coots significantly advanced their laying dates. This is a result frequently observed in other bird species (Halupka et al 2008;Vatka et al 2011;Dyrcz and Czyż 2018;Smith et al 2020) but not all (Nielsen and Møller 2006;Wright et al 2009).…”

Section: Discussionsupporting

confidence: 66%

“…For each study year, we also calculated the production of young per nest (the mean number of young that successfully left an average nest, calculated by dividing the total number of young leaving all nests by the number of nests with known outcome) and the production of young per successful nest (the mean number of young that left a successful nest in a year), following other authors (e.g. Schaefer et al 2006 ; Dyrcz and Czyż 2018 ).…”

Section: Methodsmentioning

confidence: 99%

“…Although birds remain one of the best studied groups with regard to climate change, the proportion of species investigated in this context is still very low. Most avian studies related to climate-driven changes in breeding performance have concentrated on passerines (Husby et al 2009 ; Vatka et al 2011 ; Tarwater and Arcese 2018 ; Dyrcz and Czyż 2018 ), birds of prey and owls (Lehikoinen et al 2011 ; Terraube et al 2014 ), waterbirds (Moe et al 2009 ; Wanless et al 2009 ; Nolet et al 2020 ) and waders (Smart and Gill 2003 ; Torti and Dunn 2005 ), while other groups of birds have been studied extremely rarely. Furthermore, the vast majority of studies have investigated the effect of rising temperatures on arrival and migratory dates, while the impact of climate change on population productivity and other fitness-related measures remains largely unknown.…”

Section: Introductionmentioning

confidence: 99%

“…The most clear pattern emerging from previous avian studies is that many birds advance laying dates in response to climate change (Dyrcz and Czyż 2018 ; Dunn 2019 ; Radchuk et al 2019 ). The second frequently studied trait has been clutch size.…”

Section: Introductionmentioning

confidence: 99%

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The effect of climate change on laying dates, clutch size and productivity of Eurasian Coots Fulica atra

2020

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Climate change is affecting many living organisms; however, the responses of many of them remain unknown. In this paper, we present the results regarding the response of a bird species from the rallid family to the increased temperatures during the breeding season. We analysed the breeding data of Eurasian Coots nesting during 30 seasons between 1972 and 2019. During the study period, mean temperatures in April, the month when Coots start nesting, increased by 3.5 °C, and in months corresponding with the species breeding season by 2.6 °C. Breeding Coots advanced their earliest and median laying dates across the study period; however, the duration of their breeding season remained unchanged. We did not detect any significant temporal changes in clutch size, but clutches have become much more variable in size throughout the study period. Nest failures and production of offspring per nest did not change over the study period; however, the production of young per successful nest significantly declined. It is likely that this decline is the effect of mismatch between the period of food abundance (dipterans collected from water), and hatchling emergence, which is advanced due to change in climate. Future studies investigating the occurrence of dipteran resources at water bodies are needed to test this hypothesis.

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Section: Discussionsupporting

confidence: 66%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The effect of climate change on laying dates, clutch size and productivity of Eurasian Coots Fulica atra

2020

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“…The lack of hydric systems in semiarid Mediterranean sectors may be expected to be forced mainly to human mediated pratiques 4 and to affect bird's assemblages related to water bodies that may derivate in reductions of parameters of community towards a complete dropping of bird populations. [5][6][7][8] In some passerines remarkably vulnerable on reed-beds the effect of lessening water levels by human-mediated processes may drive in the shortage of reed surface and the gradual recession of bird populations in some countries. 9 On the other hand, the effect of some management activities (grazing, harvesting) can have a positive or negative effect of songbirds depending of space and time from the management operations.…”

Section: Introductionmentioning

confidence: 99%

No effects of water management resources on the abundance of two reed passerine birds in a semiarid Iberian Mediterranean reservoir

Peiró¹

2018

IJAWB

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Human-made wetlands immerse in semiarid lands may be subject matter of hydrological managements, which can be susceptible of climatic conditions in territories far of them, as is demonstrated in reservoirs dependent of the agricultural and human demands. Some reservoirs have a sufficient surface of mixed halophytic plants, which provide a critical and endangered small bird's community. In this research, I explore if some management actions involve to the small dominant avifauna in a reservoir established in a semiarid zone of Iberian Peninsula (SE Spain). Results demonstrate that flood inputs, water levels and reed height after management do not influence precisely the abundances of summer warblers visitants as the Reed Warblers Acrocephalus scirpaceus or winter visitants as Chiffchaffs Phylloscopus collybita. Probably water channels input, with agriculture pollutants residuals, can alter the primary trophic chain and could be a primer factor influencing survival of adults and hence affecting the oscillations in the quantity of small passerines. Further investigations are required to check out which are the particular natural or artificial causes that significantly generate changes in the annual abundances of these or other representatives of the bird's assemblage.

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Year‐round weather alters nest‐provisioning rates in a migratory owl

Stein

Midway

Linkhart

2023

Ecology and Evolution

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As global temperatures and precipitation become more extreme, habitat specialists are at particular risk of being pushed past their environmental tolerance limits. Flammulated Owls (Psiloscops flammeolus) are small migratory owls that breed in temperate conifer forests of western North America. Their highly specialized nesting and foraging requirements make them indicators of ecosystem health. Using 17 years of nest observations, we investigated how annual weather patterns affected Flammulated Owl nesting and foraging behaviors during the breeding season. We used generalized linear models with a changepoint parameter to evaluate nest provisioning and nestling growth rates in years of extreme temperature and precipitation. We also evaluated how adult mass, division of labor, and productivity varied based on precipitation and temperature. Compared to wet and warm years, adults made more frequent prey deliveries to nestlings in dry and cold years, particularly early in the night and early in the season, and they experienced earlier changepoints in these years. We found a significant effect of temperature on the number of fledglings in broods, but weather did not affect other variables including productivity, nestling growth rates, adult masses, and division of labor. Our findings suggest that extreme annual weather patterns influence insect prey availability during the Flammulated Owl breeding season, forcing adults to work harder to provision for nests during dry and cold years. While productivity and nestling growth did not vary between years, these may incur a long‐term tradeoff in adult survival.

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Advanced Breeding Time in Line with Climate Did Not Affect Productivity of Great Reed WarblersAcrocephalus arundinaceusDespite the Shortening of the Nestling Period

Cited by 6 publications

References 42 publications

The effect of climate change on laying dates, clutch size and productivity of Eurasian Coots Fulica atra

The effect of climate change on laying dates, clutch size and productivity of Eurasian Coots Fulica atra

No effects of water management resources on the abundance of two reed passerine birds in a semiarid Iberian Mediterranean reservoir

Year‐round weather alters nest‐provisioning rates in a migratory owl

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