The Prelaying Interval of Emperor Geese on the Yukon-Kuskokwim Delta, Alaska
Abstract Abstract We marked 136 female Emperor Geese(Chencanagica) in western Alaskawith VHF or satellite (PTT) transmittersfrom 1999 to 2003 to monitor their spring arrivaland nest initiation dates on the Yukon Delta, andto estimate prelaying interval lengths once at thenesting area. Ninety-two fem...
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croxfordunivpr:10.1093/condor/108.4.912 2023-11-05T03:43:16+01:00 The Prelaying Interval of Emperor Geese on the Yukon-Kuskokwim Delta, Alaska Hupp, Jerry W. Schmutz, Joel A. Ely, Craig R. 2006 http://dx.doi.org/10.1093/condor/108.4.912 http://academic.oup.com/condor/article-pdf/108/4/912/29715243/condor0912.pdf en eng Oxford University Press (OUP) The Condor volume 108, issue 4, page 912-924 ISSN 0010-5422 1938-5129 Animal Science and Zoology Ecology, Evolution, Behavior and Systematics journal-article 2006 croxfordunivpr https://doi.org/10.1093/condor/108.4.912 2023-10-06T10:36:53Z Abstract Abstract We marked 136 female Emperor Geese(Chencanagica) in western Alaskawith VHF or satellite (PTT) transmittersfrom 1999 to 2003 to monitor their spring arrivaland nest initiation dates on the Yukon Delta, andto estimate prelaying interval lengths once at thenesting area. Ninety-two females with functionaltransmitters returned to the Yukon Delta in thespring after they were marked, and we located thenests of 35 of these individuals. Prelayingintervals were influenced by when snow melted inthe spring and individual arrival dates on theYukon Delta. The median prelaying interval was15 days (range = 12–19 days) in a year when snowmelted relatively late, and 11 days(range = 4–16 days) in two warmer yearswhen snow melted earlier. In years when snow meltedearlier, prelaying intervals of <12 daysfor 11 of 15 females suggested they initiated rapidfollicle development on spring staging areas. Theprelaying interval declined by approximately0.4 days and nest initiation date increasedapproximately 0.5 days for each day a femaledelayed her arrival. Thus, females that arrivedfirst on the Yukon Delta had prelaying intervals upto four days longer, yet they nested up to fivedays earlier, than females that arrived last. Theproximity of spring staging areas on the AlaskaPeninsula to nesting areas on the Yukon Delta mayenable Emperor Geese to alter timing of follicledevelopment depending on annual conditions, and toinvest nutrients acquired from both areas in eggsduring their formation. Plasticity in timing offollicle development is likely advantageous in avariable environment where melting of snow cover inthe spring can vary by 2–3 weeksannually. Article in Journal/Newspaper Kuskokwim Alaska Yukon Oxford University Press (via Crossref) The Condor 108 4 912 924 |
institution |
Open Polar |
collection |
Oxford University Press (via Crossref) |
op_collection_id |
croxfordunivpr |
language |
English |
topic |
Animal Science and Zoology Ecology, Evolution, Behavior and Systematics |
spellingShingle |
Animal Science and Zoology Ecology, Evolution, Behavior and Systematics Hupp, Jerry W. Schmutz, Joel A. Ely, Craig R. The Prelaying Interval of Emperor Geese on the Yukon-Kuskokwim Delta, Alaska |
topic_facet |
Animal Science and Zoology Ecology, Evolution, Behavior and Systematics |
description |
Abstract Abstract We marked 136 female Emperor Geese(Chencanagica) in western Alaskawith VHF or satellite (PTT) transmittersfrom 1999 to 2003 to monitor their spring arrivaland nest initiation dates on the Yukon Delta, andto estimate prelaying interval lengths once at thenesting area. Ninety-two females with functionaltransmitters returned to the Yukon Delta in thespring after they were marked, and we located thenests of 35 of these individuals. Prelayingintervals were influenced by when snow melted inthe spring and individual arrival dates on theYukon Delta. The median prelaying interval was15 days (range = 12–19 days) in a year when snowmelted relatively late, and 11 days(range = 4–16 days) in two warmer yearswhen snow melted earlier. In years when snow meltedearlier, prelaying intervals of <12 daysfor 11 of 15 females suggested they initiated rapidfollicle development on spring staging areas. Theprelaying interval declined by approximately0.4 days and nest initiation date increasedapproximately 0.5 days for each day a femaledelayed her arrival. Thus, females that arrivedfirst on the Yukon Delta had prelaying intervals upto four days longer, yet they nested up to fivedays earlier, than females that arrived last. Theproximity of spring staging areas on the AlaskaPeninsula to nesting areas on the Yukon Delta mayenable Emperor Geese to alter timing of follicledevelopment depending on annual conditions, and toinvest nutrients acquired from both areas in eggsduring their formation. Plasticity in timing offollicle development is likely advantageous in avariable environment where melting of snow cover inthe spring can vary by 2–3 weeksannually. |
format |
Article in Journal/Newspaper |
author |
Hupp, Jerry W. Schmutz, Joel A. Ely, Craig R. |
author_facet |
Hupp, Jerry W. Schmutz, Joel A. Ely, Craig R. |
author_sort |
Hupp, Jerry W. |
title |
The Prelaying Interval of Emperor Geese on the Yukon-Kuskokwim Delta, Alaska |
title_short |
The Prelaying Interval of Emperor Geese on the Yukon-Kuskokwim Delta, Alaska |
title_full |
The Prelaying Interval of Emperor Geese on the Yukon-Kuskokwim Delta, Alaska |
title_fullStr |
The Prelaying Interval of Emperor Geese on the Yukon-Kuskokwim Delta, Alaska |
title_full_unstemmed |
The Prelaying Interval of Emperor Geese on the Yukon-Kuskokwim Delta, Alaska |
title_sort |
prelaying interval of emperor geese on the yukon-kuskokwim delta, alaska |
publisher |
Oxford University Press (OUP) |
publishDate |
2006 |
url |
http://dx.doi.org/10.1093/condor/108.4.912 http://academic.oup.com/condor/article-pdf/108/4/912/29715243/condor0912.pdf |
genre |
Kuskokwim Alaska Yukon |
genre_facet |
Kuskokwim Alaska Yukon |
op_source |
The Condor volume 108, issue 4, page 912-924 ISSN 0010-5422 1938-5129 |
op_doi |
https://doi.org/10.1093/condor/108.4.912 |
container_title |
The Condor |
container_volume |
108 |
container_issue |
4 |
container_start_page |
912 |
op_container_end_page |
924 |
_version_ |
1781701252148625408 |