Do beavers improve the habitat quality for Magellanic Woodpeckers?

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This article determines which attributes of abandoned beaver meadows have a strong impact on habitat selection by the Magellenic woodpecker.

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4 p.

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Soto, Gerald E.; Vergara, Pablo M.; Lizama, Marlene E.; Celis, Cristian; Rozzi, Ricardo; Duron, Quiterie et al. October 10, 2012.

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  • Main Title: Do beavers improve the habitat quality for Magellanic Woodpeckers?
  • Parallel Title: ¿Los castores mejoran la calidad del hábitat para el pájaro carpintero magallánico?

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Description

This article determines which attributes of abandoned beaver meadows have a strong impact on habitat selection by the Magellenic woodpecker.

Physical Description

4 p.

Notes

Abstract: The effect of the disturbances caused by the American beaver (Castor canadensis), introduced to the Cape Horn Biosphere Reserve, on species of birds that are forest habitat specialists is poorly understood. Using telemetry data, we determined which attributes of abandoned beaver meadows have a strong impact on habitat selection by the Magellanic woodpecker (Campephilus magellanicus). We detected a positive relationship between the woodpecker habitat use and the fraction of old-growth forest located near these meadows. These results suggest that favorable habitat conditions are generated around small meadows with old-growth forest, because they might increase availability of wood-boring larvae.

Resumen: El efecto que tienen las perturbaciones causadas por el castor norteamericano (Castor canadensis) -introducido en la Reserva de
Biosfera Cabo de Hornos- sobre especies de aves especialistas de hábitat forestales es poco conocido. Utilizando datos de telemetría
determinamos qué atributos de las castoreras abandonadas tienen una mayor influencia en la selección del hábitat por los carpinteros
negros (Campephilus magellanicus). Existe una asociación negativa entre el uso del hábitat por carpinteros y el tamaño de las
castoreras, mientras que los carpinteros muestran preferencias por el bosque antiguo ubicado cerca de estas castoreras. Estos resultados
sugieren condiciones de hábitat favorables cerca de las castoreras pequeñas y rodeadas de bosque antiguo, probablemente debido a un
aumento en la disponibilidad de larvas taladradoras de madera.

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  • BOSQUE, 2012. Valdivia, Chile: Universidad Austral de Chile

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  • Publication Title: BOSQUE
  • Volume: 33
  • Issue: 3
  • Pages: 271-274
  • Peer Reviewed: Yes

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  • October 10, 2012

Submitted Date

  • May 24, 2012

Added to The UNT Digital Library

  • June 26, 2018, 9:56 p.m.

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Soto, Gerald E.; Vergara, Pablo M.; Lizama, Marlene E.; Celis, Cristian; Rozzi, Ricardo; Duron, Quiterie et al. Do beavers improve the habitat quality for Magellanic Woodpeckers?, article, October 10, 2012; Valdivia, Chile. (digital.library.unt.edu/ark:/67531/metadc1181147/: accessed January 19, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT College of Arts and Sciences.