Diversidad de los mamíferos en el Izozog y el Area Natural de Manejo Integrado Kaa-Iya del Gran Chaco, Santa Cruz, Bolivia
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Ecología en Bolivia
Abstract
Entre los meses de julio y noviembre de 1996 se realizaron muestreos de la fauna en cuatro sitios dentro del Izozog y el Area de Manejo. Se utilizaron trampas Sherman para la captura de pequeños mamíferos, trampas Tomahawk para la captura de mamíferos medianos y redes de niebla para murciélagos. Las trampas cámara sirvieron especialmente para la observación de mamíferos medianos y grandes. Se observaron indicios de la presencia de mamíferos grandes en parcelas con suelo preparado por brechas barridas, censos por caminatas, colecta de cráneos y pieles, y recorridos por camioneta. Además las referencias locales fueron de mucha utilidad. Se registraron en total 69 especies de mamíferos: 58 especies de mamíferos no voladores y 11 especies de murciélagos. Se obtuvieron 11 nuevos registros para la zona chaqueña. El endemismo de especies en los órdenes Xenarthra y Artiodactyla contribuye a la diversidad e importancia de este bioma.
Between the months of July and November 1996, the authors conducted field surveys at four sites in the Izozog and in the Integrated Management Area. The survey team used a variety of trapping methods: Sherman traps for small mammals, Tomahawk traps for medium-sized mammals, and mist nets for bats. Camera traps served mainly to observe médium to large mammals. Large mammals were recorded from signs on track plots and swept trails, during day and night transect surveys, day and night surveys by vehicle, and from the collection of skulls and skins. Interviews with local residents and hunters provided additional information. The team recorded in total 69 species of mammals: 58 species of non-flying mammals and 11 species of bats. Eleven species were new records for the Bolivian Chaco región. Species endemism in the Orders Xenarthra and Artiodactyla contribute to the diversity and importance of this biome.
Between the months of July and November 1996, the authors conducted field surveys at four sites in the Izozog and in the Integrated Management Area. The survey team used a variety of trapping methods: Sherman traps for small mammals, Tomahawk traps for medium-sized mammals, and mist nets for bats. Camera traps served mainly to observe médium to large mammals. Large mammals were recorded from signs on track plots and swept trails, during day and night transect surveys, day and night surveys by vehicle, and from the collection of skulls and skins. Interviews with local residents and hunters provided additional information. The team recorded in total 69 species of mammals: 58 species of non-flying mammals and 11 species of bats. Eleven species were new records for the Bolivian Chaco región. Species endemism in the Orders Xenarthra and Artiodactyla contribute to the diversity and importance of this biome.
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No. 31