Predation danger can explain changes in timing of migration: the case of the barnacle goose.

Understanding stopover decisions of long-distance migratory birds is crucial for conservation and management of these species along their migratory flyway. Recently, an increasing number of Barnacle geese breeding in the Russian Arctic have delayed their departure from their wintering site in The Ne...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Rudy M Jonker, Götz Eichhorn, Frank van Langevelde, Silke Bauer
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2010
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/73a20f73be584f8dabbd965e16997ecf
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:73a20f73be584f8dabbd965e16997ecf
record_format	dspace
spelling	oai:doaj.org-article:73a20f73be584f8dabbd965e16997ecf2021-12-02T20:20:22ZPredation danger can explain changes in timing of migration: the case of the barnacle goose.1932-620310.1371/journal.pone.0011369https://doaj.org/article/73a20f73be584f8dabbd965e16997ecf2010-06-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/20614027/?tool=EBIhttps://doaj.org/toc/1932-6203Understanding stopover decisions of long-distance migratory birds is crucial for conservation and management of these species along their migratory flyway. Recently, an increasing number of Barnacle geese breeding in the Russian Arctic have delayed their departure from their wintering site in The Netherlands by approximately one month and have reduced their staging duration at stopover sites in the Baltic accordingly. Consequently, this extended stay increases agricultural damage in The Netherlands. Using a dynamic state variable approach we explored three hypotheses about the underlying causes of these changes in migratory behavior, possibly related to changes in (i) onset of spring, (ii) potential intake rates and (iii) predation danger at wintering and stopover sites. Our simulations showed that the observed advance in onset of spring contradicts the observed delay of departure, whereas both increased predation danger and decreased intake rates in the Baltic can explain the delay. Decreased intake rates are expected as a result of increased competition for food in the growing Barnacle goose population. However, the effect of predation danger in the model was particularly strong, and we hypothesize that Barnacle geese avoid Baltic stopover sites as a response to the rapidly increasing number of avian predators in the area. Therefore, danger should be considered as an important factor influencing Barnacle goose migratory behavior, and receive more attention in empirical studies.Rudy M JonkerGötz EichhornFrank van LangeveldeSilke BauerPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 5, Iss 6, p e11369 (2010)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Rudy M Jonker Götz Eichhorn Frank van Langevelde Silke Bauer Predation danger can explain changes in timing of migration: the case of the barnacle goose.
description	Understanding stopover decisions of long-distance migratory birds is crucial for conservation and management of these species along their migratory flyway. Recently, an increasing number of Barnacle geese breeding in the Russian Arctic have delayed their departure from their wintering site in The Netherlands by approximately one month and have reduced their staging duration at stopover sites in the Baltic accordingly. Consequently, this extended stay increases agricultural damage in The Netherlands. Using a dynamic state variable approach we explored three hypotheses about the underlying causes of these changes in migratory behavior, possibly related to changes in (i) onset of spring, (ii) potential intake rates and (iii) predation danger at wintering and stopover sites. Our simulations showed that the observed advance in onset of spring contradicts the observed delay of departure, whereas both increased predation danger and decreased intake rates in the Baltic can explain the delay. Decreased intake rates are expected as a result of increased competition for food in the growing Barnacle goose population. However, the effect of predation danger in the model was particularly strong, and we hypothesize that Barnacle geese avoid Baltic stopover sites as a response to the rapidly increasing number of avian predators in the area. Therefore, danger should be considered as an important factor influencing Barnacle goose migratory behavior, and receive more attention in empirical studies.
format	article
author	Rudy M Jonker Götz Eichhorn Frank van Langevelde Silke Bauer
author_facet	Rudy M Jonker Götz Eichhorn Frank van Langevelde Silke Bauer
author_sort	Rudy M Jonker
title	Predation danger can explain changes in timing of migration: the case of the barnacle goose.
title_short	Predation danger can explain changes in timing of migration: the case of the barnacle goose.
title_full	Predation danger can explain changes in timing of migration: the case of the barnacle goose.
title_fullStr	Predation danger can explain changes in timing of migration: the case of the barnacle goose.
title_full_unstemmed	Predation danger can explain changes in timing of migration: the case of the barnacle goose.
title_sort	predation danger can explain changes in timing of migration: the case of the barnacle goose.
publisher	Public Library of Science (PLoS)
publishDate	2010
url	https://doaj.org/article/73a20f73be584f8dabbd965e16997ecf
work_keys_str_mv	AT rudymjonker predationdangercanexplainchangesintimingofmigrationthecaseofthebarnaclegoose AT gotzeichhorn predationdangercanexplainchangesintimingofmigrationthecaseofthebarnaclegoose AT frankvanlangevelde predationdangercanexplainchangesintimingofmigrationthecaseofthebarnaclegoose AT silkebauer predationdangercanexplainchangesintimingofmigrationthecaseofthebarnaclegoose
_version_	1718374170492928000

Predation danger can explain changes in timing of migration: the case of the barnacle goose.

Ejemplares similares