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Density of the Near Threatened jaguar Panthera onca in the caatinga of north-eastern Brazil

2009; Cambridge University Press; Volume: 44; Issue: 01 Linguagem: Inglês

10.1017/s0030605309990433

1365-3008

Leandro Silveira, Anah T. A. Jácomo, Samuel Astete, Rahel Sollmann, Natália Mundim Tôrres, Mariana Malzoni Furtado, Jader Marinho‐Filho,

Wildlife-Road Interactions and Conservation

We report the first estimate of jaguar density in the semi-arid caatinga biome of north-eastern Brazil. During August–October 2007, in the Serra da Capivara National Park, we used camera traps to identify and count jaguars. Jaguar abundance and density were calculated using mark-recapture models. In a sampling effort of 1,249 camera-trap-nights we identified 12 adult jaguars and estimated an abundance of 14 ± SE 3.6 jaguars in an area of 524 km2, i.e. a density of 2.67 ± SE 1.00 jaguars per 100 km2. This estimate is higher than in most other Brazilian biomes and indicates Serra da Capivara National Park as an important reserve for protecting jaguars in north-eastern Brazil.