Caracterización y selección de sitios de excavación del carpintero lomo blanco (Campephilus leucopogon) en dos regiones forestales del noroeste Argentino

Los pajaros carpinteros (Aves, Picidae) son considerados especies ingenieras de ecosistemas, y son sensibles a cambios en la composicion y estructura de los bosques. El noroeste Argentino contiene la mayor superficie de bosque nativo del pais. El objetivo de este trabajo fue caracterizar los sitios donde el carpintero lomo blanco (Campephilus leucopogon) excava huecos e identificar patrones de seleccion de sustratos de excavacion en la selva pedemontana de las Yungas Australes y en el bosque de dos quebrachos del Chaco Seco del noroeste Argentino. En las dos regiones forestales se recorrieron transectas en busca de huecos excavados por el carpintero lomo blanco. Se caracterizaron los arboles con huecos y se compararon con arboles sin huecos evaluados en parcelas ubicadas al azar. En la selva pedemontana y bosque chaqueno, la mayoria de los huecos excavados por el carpintero lomo blanco se encontraron en arboles vivos con grandes diametros a la altura del pecho (> 60 cm), significativamente mayores que los de los arboles disponibles. La altura de los huecos excavados fue mayor en la selva pedemontana que en el bosque chaqueno, en concordancia con la mayor altura promedio de la primera. El carpintero lomo blanco selecciono para excavar huecos ejemplares de Calycophyllum multiflorum y Amburana cearensis en la selva pedemontana y de Aspidosperma quebracho-blanco y Chorisia insignis en el bosque chaqueno. Estos resultados permiten proponer recomendaciones de manejo forestal para retener atributos estructurales clave para el carpintero lomo blanco.

• Publication year

  2016

• Venue

  Bosque (valdivia)

• Publication date

  Unknown publication date

• Fields of study

  Not labeled

• Identifiers
  DOI 10.4067/S0717-92002016000100004
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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