Predicting Source Populations of Vagrants Using Breeding Population Data: A Case Study of the Lesser Black-Backed Gull (Larus fuscus)

Vagrancy is critical in facilitating range expansion and colonization through exploration and occupation of potentially suitable habitat. Uncovering origins of vagrants will help us better understand not only species-specific vagrant movements, but how the dynamics of a naturally growing population...

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Autores principales:	Lucinda C. Zawadzki, Gunnar T. Hallgrimsson, Richard R. Veit, Lars M. Rasmussen, David Boertmann, Natasha Gillies, Tim Guilford
Formato:	article
Lenguaje:	EN
Publicado:	Frontiers Media S.A. 2021
Materias:	vagrancy range expansion colonization long-distance dispersal (LDD) source population Lesser black-backed gull Evolution QH359-425 Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/8ce1a9ccd026465ca026c22ff4e408f2
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spelling	oai:doaj.org-article:8ce1a9ccd026465ca026c22ff4e408f22021-12-03T16:26:18ZPredicting Source Populations of Vagrants Using Breeding Population Data: A Case Study of the Lesser Black-Backed Gull (Larus fuscus)2296-701X10.3389/fevo.2021.637452https://doaj.org/article/8ce1a9ccd026465ca026c22ff4e408f22021-12-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fevo.2021.637452/fullhttps://doaj.org/toc/2296-701XVagrancy is critical in facilitating range expansion and colonization through exploration and occupation of potentially suitable habitat. Uncovering origins of vagrants will help us better understand not only species-specific vagrant movements, but how the dynamics of a naturally growing population influence vagrancy, and potentially lead to range expansion. Under the premise that occurrence of vagrants is linked to increasing population growth in the core of the breeding range, we assessed the utility of breeding population survey data to predict source populations of vagrants. Lesser Black-backed Gulls (LBBG) (Larus fuscus) served as our focal species due to their dramatic and well-documented history of vagrancy to North America in the last 30 years. We related annual occurrence of vagrants to indices of breeding population size and growth rate of breeding populations. We propose that the fastest growing population is the most likely source of recent vagrants to North America. Our study shows that it is possible to predict potential source populations of vagrants with breeding population data, but breeding surveys require increased standardization across years to improve models. For the Lesser Black-backed Gull, Iceland’s breeding population likely influenced vagrancy during the early years of colonization, but the major increase in vagrants occurred during a period of growth of Greenland’s population, suggesting that Greenland is the source population of the most recent pulse of vagrant LBBG to North America.Lucinda C. ZawadzkiGunnar T. HallgrimssonRichard R. VeitRichard R. VeitLars M. RasmussenDavid BoertmannNatasha GilliesTim GuilfordFrontiers Media S.A.articlevagrancyrange expansioncolonizationlong-distance dispersal (LDD)source populationLesser black-backed gullEvolutionQH359-425EcologyQH540-549.5ENFrontiers in Ecology and Evolution, Vol 9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	vagrancy range expansion colonization long-distance dispersal (LDD) source population Lesser black-backed gull Evolution QH359-425 Ecology QH540-549.5
spellingShingle	vagrancy range expansion colonization long-distance dispersal (LDD) source population Lesser black-backed gull Evolution QH359-425 Ecology QH540-549.5 Lucinda C. Zawadzki Gunnar T. Hallgrimsson Richard R. Veit Richard R. Veit Lars M. Rasmussen David Boertmann Natasha Gillies Tim Guilford Predicting Source Populations of Vagrants Using Breeding Population Data: A Case Study of the Lesser Black-Backed Gull (Larus fuscus)
description	Vagrancy is critical in facilitating range expansion and colonization through exploration and occupation of potentially suitable habitat. Uncovering origins of vagrants will help us better understand not only species-specific vagrant movements, but how the dynamics of a naturally growing population influence vagrancy, and potentially lead to range expansion. Under the premise that occurrence of vagrants is linked to increasing population growth in the core of the breeding range, we assessed the utility of breeding population survey data to predict source populations of vagrants. Lesser Black-backed Gulls (LBBG) (Larus fuscus) served as our focal species due to their dramatic and well-documented history of vagrancy to North America in the last 30 years. We related annual occurrence of vagrants to indices of breeding population size and growth rate of breeding populations. We propose that the fastest growing population is the most likely source of recent vagrants to North America. Our study shows that it is possible to predict potential source populations of vagrants with breeding population data, but breeding surveys require increased standardization across years to improve models. For the Lesser Black-backed Gull, Iceland’s breeding population likely influenced vagrancy during the early years of colonization, but the major increase in vagrants occurred during a period of growth of Greenland’s population, suggesting that Greenland is the source population of the most recent pulse of vagrant LBBG to North America.
format	article
author	Lucinda C. Zawadzki Gunnar T. Hallgrimsson Richard R. Veit Richard R. Veit Lars M. Rasmussen David Boertmann Natasha Gillies Tim Guilford
author_facet	Lucinda C. Zawadzki Gunnar T. Hallgrimsson Richard R. Veit Richard R. Veit Lars M. Rasmussen David Boertmann Natasha Gillies Tim Guilford
author_sort	Lucinda C. Zawadzki
title	Predicting Source Populations of Vagrants Using Breeding Population Data: A Case Study of the Lesser Black-Backed Gull (Larus fuscus)
title_short	Predicting Source Populations of Vagrants Using Breeding Population Data: A Case Study of the Lesser Black-Backed Gull (Larus fuscus)
title_full	Predicting Source Populations of Vagrants Using Breeding Population Data: A Case Study of the Lesser Black-Backed Gull (Larus fuscus)
title_fullStr	Predicting Source Populations of Vagrants Using Breeding Population Data: A Case Study of the Lesser Black-Backed Gull (Larus fuscus)
title_full_unstemmed	Predicting Source Populations of Vagrants Using Breeding Population Data: A Case Study of the Lesser Black-Backed Gull (Larus fuscus)
title_sort	predicting source populations of vagrants using breeding population data: a case study of the lesser black-backed gull (larus fuscus)
publisher	Frontiers Media S.A.
publishDate	2021
url	https://doaj.org/article/8ce1a9ccd026465ca026c22ff4e408f2
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Predicting Source Populations of Vagrants Using Breeding Population Data: A Case Study of the Lesser Black-Backed Gull (Larus fuscus)

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