Strong Migratory Connectivity in a Declining Arctic Passerine

Determining how animal populations are linked in space and time is important for identifying factors influencing population dynamics and for effective conservation and management. Arctic-breeding migratory passerines are declining and at risk due to forecasted climate change, but are a challenge to...

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Autores principales:	Macdonald C.A., Fraser K.C., Gilchrist H.G., Kyser T.K., Fox J.W., Love O.P.
Formato:	article
Lenguaje:	EN
Publicado:	De Gruyter 2012
Materias:	snow bunting (plectrophenax nivalis) geolocators stable isotopes band recoveries citizen science migratory divide migration ecology Biology (General) QH301-705.5
Acceso en línea:	https://doaj.org/article/c3c169aa536a407b9ba186c08a0ca69e
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spelling	oai:doaj.org-article:c3c169aa536a407b9ba186c08a0ca69e2021-12-02T19:11:32ZStrong Migratory Connectivity in a Declining Arctic Passerine2084-883810.2478/ami-2012-0003https://doaj.org/article/c3c169aa536a407b9ba186c08a0ca69e2012-01-01T00:00:00Zhttps://doi.org/10.2478/ami-2012-0003https://doaj.org/toc/2084-8838Determining how animal populations are linked in space and time is important for identifying factors influencing population dynamics and for effective conservation and management. Arctic-breeding migratory passerines are declining and at risk due to forecasted climate change, but are a challenge to monitor due to their inaccessible breeding locations, long-distance migration routes and small body size. For the first time, we combine sub-gram geolocator technology and stable-isotope analysis with mark-recapture (banding) and citizen science data to determine patterns of migratory connectivity for multiple populations of a declining North American Arctic-breeding passerine, snow bunting (Plectrophenax nivalis). We show strong evidence for an east-west parallel migratory system, with Hudson Bay acting as a migratory divide. While band recoveries suggest strong migratory connectivity among eastern wintering populations (more than 95% of band recoveries reveal connections between western Greenland and eastern North America), novel application of geolocators and stable-hydrogen isotope analysis to a Canadian breeding population revealed a high degree of migratory connectivity within western North American wintering populations. Our results also show distinct differences in migratory distance between eastern and western populations, and illustrate how applying multiple techniques can effectively be used to track migration patterns of remote populations. Differences in annual distribution and migratory distance suggest that separate consideration of eastern and western wintering populations may improve future conservation and management efforts for this species.Macdonald C.A.Fraser K.C.Gilchrist H.G.Kyser T.K.Fox J.W.Love O.P.De Gruyterarticlesnow bunting (plectrophenax nivalis)geolocatorsstable isotopesband recoveriescitizen sciencemigratory dividemigration ecologyBiology (General)QH301-705.5ENAnimal Migration, Vol 1, Iss 1, Pp 23-30 (2012)
institution	DOAJ
collection	DOAJ
language	EN
topic	snow bunting (plectrophenax nivalis) geolocators stable isotopes band recoveries citizen science migratory divide migration ecology Biology (General) QH301-705.5
spellingShingle	snow bunting (plectrophenax nivalis) geolocators stable isotopes band recoveries citizen science migratory divide migration ecology Biology (General) QH301-705.5 Macdonald C.A. Fraser K.C. Gilchrist H.G. Kyser T.K. Fox J.W. Love O.P. Strong Migratory Connectivity in a Declining Arctic Passerine
description	Determining how animal populations are linked in space and time is important for identifying factors influencing population dynamics and for effective conservation and management. Arctic-breeding migratory passerines are declining and at risk due to forecasted climate change, but are a challenge to monitor due to their inaccessible breeding locations, long-distance migration routes and small body size. For the first time, we combine sub-gram geolocator technology and stable-isotope analysis with mark-recapture (banding) and citizen science data to determine patterns of migratory connectivity for multiple populations of a declining North American Arctic-breeding passerine, snow bunting (Plectrophenax nivalis). We show strong evidence for an east-west parallel migratory system, with Hudson Bay acting as a migratory divide. While band recoveries suggest strong migratory connectivity among eastern wintering populations (more than 95% of band recoveries reveal connections between western Greenland and eastern North America), novel application of geolocators and stable-hydrogen isotope analysis to a Canadian breeding population revealed a high degree of migratory connectivity within western North American wintering populations. Our results also show distinct differences in migratory distance between eastern and western populations, and illustrate how applying multiple techniques can effectively be used to track migration patterns of remote populations. Differences in annual distribution and migratory distance suggest that separate consideration of eastern and western wintering populations may improve future conservation and management efforts for this species.
format	article
author	Macdonald C.A. Fraser K.C. Gilchrist H.G. Kyser T.K. Fox J.W. Love O.P.
author_facet	Macdonald C.A. Fraser K.C. Gilchrist H.G. Kyser T.K. Fox J.W. Love O.P.
author_sort	Macdonald C.A.
title	Strong Migratory Connectivity in a Declining Arctic Passerine
title_short	Strong Migratory Connectivity in a Declining Arctic Passerine
title_full	Strong Migratory Connectivity in a Declining Arctic Passerine
title_fullStr	Strong Migratory Connectivity in a Declining Arctic Passerine
title_full_unstemmed	Strong Migratory Connectivity in a Declining Arctic Passerine
title_sort	strong migratory connectivity in a declining arctic passerine
publisher	De Gruyter
publishDate	2012
url	https://doaj.org/article/c3c169aa536a407b9ba186c08a0ca69e
work_keys_str_mv	AT macdonaldca strongmigratoryconnectivityinadecliningarcticpasserine AT fraserkc strongmigratoryconnectivityinadecliningarcticpasserine AT gilchristhg strongmigratoryconnectivityinadecliningarcticpasserine AT kysertk strongmigratoryconnectivityinadecliningarcticpasserine AT foxjw strongmigratoryconnectivityinadecliningarcticpasserine AT loveop strongmigratoryconnectivityinadecliningarcticpasserine
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Strong Migratory Connectivity in a Declining Arctic Passerine

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