Diversidad, endemismo y conservación de la ornitofauna del Parque Nacional Tunari (Cochabamba, Bolivia)
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Ecología en Bolivia
Abstract
El objetivo del presente trabajo fue evaluar la diversidad y endemismo de la ornitofauna del PNT, proporcionando pautas sobre su valor biológico y conservación. Se estudiaron 14 localidades (2.800-4.100 m) desde 1998 a la fecha y se revisó una lista publicada de las aves del Parque Nacional Tunari (PNT). Se registró un total de 187 especies distribuidas en 38 familias. Tres son endémicas de Bolivia, 31 endémicas a los Andes Centrales, 11 a los Andes altos de Bolivia y Argentina (EBA 056) y dos a los Yungas altos de Bolivia y Perú (EBA 055). Se registró una especie en peligro de extinción, una especie vulnerable y siete especies casi amenazadas. Cuatro especies de aves registradas en el PNT no han sido registradas en ninguna otra área protegida en Bolivia. Se presentan 57 registros de especies nuevas para el PNT y 29 nuevos registros altitudinales para Bolivia. El PNT es una de las áreas protegidas más importantes relacionadas a diversidad y endemismo de aves de Valles y Puna en Bolivia, resguarda la mayor población de Poospiza garleppi y protege poblaciones de otras aves endémicas y amenazadas, por lo que cumple un papel fundamental en la conservación de esta avifauna.
The aim of this study was to evaluate the diversity and endemism of the avifauna of Tunari National Park (PNT) indicating its biological value and conservation importance. I studied 14 localities (2,800-4,100 m) from 1998 to 2006 and reviewed a published list of the birds of PNT. A total of 187 species distributed in 38 families were recorded. Three are Bolivian endemics, 31 endemic to the Central Andes (CAN) zoogeographic region, 11 to the endemic Bird Area High Andes of Bolivia and Argentina (EBA 056) and two to the upper Yungas of Bolivia and Perú EBA (055). One endangered, one vulnerable and seven near threatened species were recorded. Four bird species present in PNT have not been recorded in anyother protected area in Bolivia. Fiftyseven species recorded during field work are new species for PNT, and new elevational records for Bolivia are presented for 29 species. PNT is one of the most important protected areas in Bolivia with respect to the diversity and endemism of inter-Andean dry valley and puna birds, and it protects a large proportion of the global population of Poospiza garleppi and other endemic and threatened birds, playing an important role in the conservation of these avifaunas.
The aim of this study was to evaluate the diversity and endemism of the avifauna of Tunari National Park (PNT) indicating its biological value and conservation importance. I studied 14 localities (2,800-4,100 m) from 1998 to 2006 and reviewed a published list of the birds of PNT. A total of 187 species distributed in 38 families were recorded. Three are Bolivian endemics, 31 endemic to the Central Andes (CAN) zoogeographic region, 11 to the endemic Bird Area High Andes of Bolivia and Argentina (EBA 056) and two to the upper Yungas of Bolivia and Perú EBA (055). One endangered, one vulnerable and seven near threatened species were recorded. Four bird species present in PNT have not been recorded in anyother protected area in Bolivia. Fiftyseven species recorded during field work are new species for PNT, and new elevational records for Bolivia are presented for 29 species. PNT is one of the most important protected areas in Bolivia with respect to the diversity and endemism of inter-Andean dry valley and puna birds, and it protects a large proportion of the global population of Poospiza garleppi and other endemic and threatened birds, playing an important role in the conservation of these avifaunas.
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Vol. 41, No. 2