2008
DOI: 10.4067/s0717-92002008000200009
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Impacto del castor (Castor canadensis, Rodentia) en bosques de lenga (Nothofagus pumilio) de Tierra del Fuego, Chile

Abstract: Impacto del castor en bosques de lenga BOSQUE 29(2): 162-169, 2008 Impacto del castor (Castor canadensis, Rodentia) en bosques de lenga (Nothofagus pumilio) de Tierra del Fuego, Chile SUMMARYCastor canadensis is a North American rodent introduced in the Argentinean part of Tierra del Fuego in 1946, invading Chilean territories located in the same area. In this zone, not only do beavers build dikes, but they also feed on arboreal material, mainly from Nothofagus pumilio. This study tried to prove that damag… Show more

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Cited by 17 publications
(9 citation statements)
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“…Recovery is evident from substantial increases in population size, distribution range expansion in North America (C. canadensis) and Eurasia (mainly C. fiber, but also C. canadensis), and introduction to new areas (e.g. southern Patagonia) , Baldini U et al 2008, Halley et al 2012. Today, beavers are included in reintroduction programs aimed at rewilding and/or restoring degraded landscapes all over the Holarctic (Foreman 2004, Pereira andNavarro 2015).…”
Section: Introductionmentioning
confidence: 99%
“…Recovery is evident from substantial increases in population size, distribution range expansion in North America (C. canadensis) and Eurasia (mainly C. fiber, but also C. canadensis), and introduction to new areas (e.g. southern Patagonia) , Baldini U et al 2008, Halley et al 2012. Today, beavers are included in reintroduction programs aimed at rewilding and/or restoring degraded landscapes all over the Holarctic (Foreman 2004, Pereira andNavarro 2015).…”
Section: Introductionmentioning
confidence: 99%
“…El castor (Castor canadienses Kuhl 1820) es una especie exótica invasora presente en cono sur de américa desde el año 1946. Esta especie está declarada como perjudicar o dañina en Chile por el Reglamento de la Ley de caza 19.473 debido entre otros a los impactos generados en la estructura del bosque ribereños de Nothofagus, alteración de la función y estructura de los ecosistemas dulceacuícolas, facilitación para la interacción entre especies invasoras, daños económicos por destrucción de caminos y puentes, e inundaciones que afectan la actividad ganadera y forestal (Arismendi et al 2008;Anderson et al 2006Anderson et al , 2012Anderson et al , 2014Baldini et al 2008;Crego et al 2016;Skewes et al 1999, Soto, 2006, lo que ha generado la mayor alteración en los bosques de Tierra del Fuego (Anderson et al 2014). Desde la liberación de 20 individuos de castor en la porción Argentina de la Isla Tierra del Fuego en el año 1946 (Lizarralde, 1993;Pietrek & Fasola, 2014;Graells et al 2015b), la especie ha tenido una sostenida expansión, con tasas entre 2,6 -6,3 km/año, distribuyéndose en casi tres cuartas partes de la isla Tierra del Fuego, la totalidad de isla Navarino y el archipiélago aledaño, estimándose un tamaño poblacional de 61 mil castores solo en el territorio chileno de Tierra del Fuego e Isla Navarino.…”
Section: Introductionunclassified
“…The beavers are capable of completely modifying their habitat by building a lodge and a dam (Muller-Schwarze and Sun 2003), cutting down Nothofagus trees more than 20 m away from their pond (Anderson et al 2009) to build dams that can measure up to 1.5 m tall and 100 m long (Baldini et al 2008). While they do this, they generate changes to the riparian environment that are only reversible at rates much slower than its natural rate, because they change the plant community structure and succession patterns and prevent the natural regeneration of forests and aquatic ecosystems (Anderson et al 2006;Martínez Pastur et al 2006).…”
Section: Introductionmentioning
confidence: 99%