Life-history attributes of Arctic-breeding birds drive uneven responses to environmental variability across different phases of the reproductive cycle
1. Animals exhibit varied life-history traits that reflect adaptive responses to their environments. For Arctic-breeding birds, traits like foraging guild, egg nutrient allocation, clutch size, and chick growth are predicted to be under increasing selection pressure due to rapid climate change and i...
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Online Access: | http://dx.doi.org/10.22541/au.162676593.39291065/v1 |
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crwinnower:10.22541/au.162676593.39291065/v1 2024-06-02T08:01:34+00:00 Life-history attributes of Arctic-breeding birds drive uneven responses to environmental variability across different phases of the reproductive cycle Ruthrauff, Daniel Patil, Vijay Hupp, Jerry W. Ward, David 2021 http://dx.doi.org/10.22541/au.162676593.39291065/v1 unknown Authorea, Inc. posted-content 2021 crwinnower https://doi.org/10.22541/au.162676593.39291065/v1 2024-05-07T14:19:20Z 1. Animals exhibit varied life-history traits that reflect adaptive responses to their environments. For Arctic-breeding birds, traits like foraging guild, egg nutrient allocation, clutch size, and chick growth are predicted to be under increasing selection pressure due to rapid climate change and increasing environmental variability across high-latitude regions. 2. We compared four migratory birds (black brant [Branta bernicla nigricans], lesser snow geese [Chen caerulescens caerulescens], semipalmated sandpipers [Calidris pusilla], and Lapland longspurs [Calcarius lapponicus]) with varied life histories at an Arctic site in Alaska, USA, to understand how life-history traits help moderate environmental variability across different phases of the reproductive cycle. 3. We monitored aspects of reproductive performance related to the timing of breeding, reproductive investment, and chick growth from 2011–2018. 4. In response to early snow melt and warm temperatures, semipalmated sandpipers advanced their site arrival and bred in higher numbers, while brant and snow geese increased clutch sizes; all four species advanced their nest initiation dates. During chick rearing, longspur chicks were relatively resilient to environmental variation whereas warmer temperatures increased the growth rates of sandpiper chicks but reduced growth rates of snow goose goslings. These responses generally aligned with traits along the capital-income spectrum of nutrient acquisition and altricial-precocial modes of chick growth. Under a warming climate, the ability to mobilize endogenous reserves likely provides geese with relative flexibility to adjust the timing of breeding and the size of clutches. Warmer temperatures, however, may negatively affect the quality of herbaceous foods and slow gosling growth. 5. Species may possess traits that are beneficial during one phase of the reproductive cycle and others that may be detrimental at another phase, uneven responses that may be amplified with future climate warming. These results ... Other/Unknown Material Arctic Branta bernicla Climate change Alaska Lapland The Winnower Arctic Brant ENVELOPE(7.105,7.105,62.917,62.917) |
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crwinnower |
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description |
1. Animals exhibit varied life-history traits that reflect adaptive responses to their environments. For Arctic-breeding birds, traits like foraging guild, egg nutrient allocation, clutch size, and chick growth are predicted to be under increasing selection pressure due to rapid climate change and increasing environmental variability across high-latitude regions. 2. We compared four migratory birds (black brant [Branta bernicla nigricans], lesser snow geese [Chen caerulescens caerulescens], semipalmated sandpipers [Calidris pusilla], and Lapland longspurs [Calcarius lapponicus]) with varied life histories at an Arctic site in Alaska, USA, to understand how life-history traits help moderate environmental variability across different phases of the reproductive cycle. 3. We monitored aspects of reproductive performance related to the timing of breeding, reproductive investment, and chick growth from 2011–2018. 4. In response to early snow melt and warm temperatures, semipalmated sandpipers advanced their site arrival and bred in higher numbers, while brant and snow geese increased clutch sizes; all four species advanced their nest initiation dates. During chick rearing, longspur chicks were relatively resilient to environmental variation whereas warmer temperatures increased the growth rates of sandpiper chicks but reduced growth rates of snow goose goslings. These responses generally aligned with traits along the capital-income spectrum of nutrient acquisition and altricial-precocial modes of chick growth. Under a warming climate, the ability to mobilize endogenous reserves likely provides geese with relative flexibility to adjust the timing of breeding and the size of clutches. Warmer temperatures, however, may negatively affect the quality of herbaceous foods and slow gosling growth. 5. Species may possess traits that are beneficial during one phase of the reproductive cycle and others that may be detrimental at another phase, uneven responses that may be amplified with future climate warming. These results ... |
format |
Other/Unknown Material |
author |
Ruthrauff, Daniel Patil, Vijay Hupp, Jerry W. Ward, David |
spellingShingle |
Ruthrauff, Daniel Patil, Vijay Hupp, Jerry W. Ward, David Life-history attributes of Arctic-breeding birds drive uneven responses to environmental variability across different phases of the reproductive cycle |
author_facet |
Ruthrauff, Daniel Patil, Vijay Hupp, Jerry W. Ward, David |
author_sort |
Ruthrauff, Daniel |
title |
Life-history attributes of Arctic-breeding birds drive uneven responses to environmental variability across different phases of the reproductive cycle |
title_short |
Life-history attributes of Arctic-breeding birds drive uneven responses to environmental variability across different phases of the reproductive cycle |
title_full |
Life-history attributes of Arctic-breeding birds drive uneven responses to environmental variability across different phases of the reproductive cycle |
title_fullStr |
Life-history attributes of Arctic-breeding birds drive uneven responses to environmental variability across different phases of the reproductive cycle |
title_full_unstemmed |
Life-history attributes of Arctic-breeding birds drive uneven responses to environmental variability across different phases of the reproductive cycle |
title_sort |
life-history attributes of arctic-breeding birds drive uneven responses to environmental variability across different phases of the reproductive cycle |
publisher |
Authorea, Inc. |
publishDate |
2021 |
url |
http://dx.doi.org/10.22541/au.162676593.39291065/v1 |
long_lat |
ENVELOPE(7.105,7.105,62.917,62.917) |
geographic |
Arctic Brant |
geographic_facet |
Arctic Brant |
genre |
Arctic Branta bernicla Climate change Alaska Lapland |
genre_facet |
Arctic Branta bernicla Climate change Alaska Lapland |
op_doi |
https://doi.org/10.22541/au.162676593.39291065/v1 |
_version_ |
1800745957950750720 |