Title
Southern Amazon Red Squirrel (Sciurus spadiceus) density in the Tuichi valley (Madidi National Park and Natural Area of Integrated Management, La Paz, Bolivia) / Densidad de la ardilla roja amazónica (Familia Sciuridae, Sciurus spadiceus) en el valle del río Tuichi (Parque Nacional y Area Natural de Manejo Integrado Madidi, La Paz, Bolivia)
Author(s)
Humberto Gómez; Guido Ayala; Robert B. Wallace; Fortunato Espinoza
Published
2003
Publisher
Ecología en Bolivia
Abstract
During a biodiversity and abundance survey for medium and large size mammals in the lower basin of Tuichi river, in Madidi National Park and Natural Area of Integrated Management, we collected information in order to estimate the density of the Southern Amazon red squirrel (Sciurus spadiceus). The average density including both seasons was 12.2 individuals/km2 . Density estimates do not exist for other areas of the protected area, however encounter rates demonstrate that squirrels are particularly abundant in Tuichi region. We also found a variation in abundance between seasons, probably related to the seed fruit availability. / During an evaluation of diversity and abundance of large and medium-sized mammals in the lower Tuichi River area of the Madidi National Park and Integrated Management Natural Area, we collected sufficient information to estimate the density of the Amazonian red squirrel (Sciurus spadiceus). The average density between two assessment periods was 12.2 individuals/km2. Although there are no other density estimates in the protected area, the evaluated area presents a higher encounter rate in relation to the other three evaluated sites. We found a variation in abundance between seasons that could be related to the availability of food resources available between the two seasons evaluated.
Keywords
Southern Amazonian red squirrel; Sciurus spadiceus; Sciuridae; Rodentia; Palmae; line transects; Madidi; Bolivia; Ardilla roja amazonica; Sciurus spadiceus; transectos
lineales
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PUB35800