Birds of a wildlife reserve in the South American Pampa (Córdoba, Argentina)

Pablo G. Brandolin, Ramiro Ramírez, Miguel Ángel Á., Javier Márquez, Pedro G. Blendinger, Juan J. Cantero


In the Pampa ecoregion of South America, the intensification of agriculture has led to the almost total replacement of pristine vegetation by agroecosystems. This has caused a great loss of biodiversity and a decline of bird assemblages. We monitored birds in Dos Hermanas Wildlife Reserve, an integrated ecosystem-based management area in preserved natural saline wetland relicts (grasslands and shrublands) with a cultivated sector (sustainable grazing and organic crops). We recorded a total of 170 species, including altitudinal migrants, Nearctic migrants, migrants of the temperate-tropical and cold-temperate systems, and residents. Seven are globally threatened species and three are exotic species. The high diversity of birds recorded at Dos Hermanas Wildlife Reserve highlights the importance of this reserve for the conservation of the regional biota. The application of ecosystem-based management allows the presence of contrasting vegetation structures with positive effects on the diversity of bird assemblages in the Pampa region.


grassland birds; agroecosystems; biodiversity; Pampa ecoregion; South America

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