Détail de l'auteur
Documents disponibles écrits par cet auteur (3)
Ajouter le résultat dans votre panier Affiner la recherche
Article
Karen M. Leavelle, Auteur ; Luke L. Powell, Auteur ; George V. N. Powell, Auteur ; Adrian Forsyth, AuteurABSTRACT The Yellow-billed Cotinga (Carpodectes antoniae) is one of Central America?s rarest and most endangered species. A regional endemic to Panama and Costa Rica, between 250 and 999 individuals appear to now survive mainly within Pacific co[...]
Article
Mathias W. Tobler, Auteur ; George V. N. Powell, AuteurCamera traps have become the main method for estimating jaguar (Panthera onca) densities. Over 74 studies have been carried out throughout the species range following standard design recommendations. We reviewed the study designs used by these s[...]
Article
Mathias W. Tobler, Auteur ; Samia E. Carrillo-Percastegui, Auteur ; Alfonso Zuniga Hartley, Auteur ; George V. N. Powell, AuteurOver 80% of the currently occupied range of the jaguar (Panthera onca) lies in the Amazon. However, few density estimates exist for this habitat. Between 2005 and 2010 we carried out six camera trap surveys at three different sites in the depart[...]
