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Title: Domestic dogs in protected areas : a threat to Brazilian mammals?
Authors: Lessa, Isadora
Guimarães, Tainah Corrêa Seabra
Bergallo, Helena de Godoy
Cunha, André
Vieira, Emerson Monteiro
Assunto:: Cão
Áreas protegidas
Animais selvagens
Issue Date: 2016
Publisher: Elsevier
Citation: LESSA, Isadora et al. Domestic dogs in protected areas: a threat to Brazilian mammals?. Natureza & Conservação, v. 14, n. 2, p. 46-56, 2016. Disponível em: <>. Acesso em: 11 jul. 2017. doi:
Abstract: The presence of domestic dogs (Canis lupus familiaris) in Brazilian protected areas is fairly frequent. The interaction of such dogs with native animals leads to population declines for many species, particularly carnivores. In this paper the main threats dogs bring about Brazilian biodiversity are assessed with a focus on protected areas. We collected information from papers on the interaction of dogs and wildlife species as well as from interviews with National Park managers. Studies in protected areas in Brazil listed 37 native species affected by the presence of dogs due to competition, predation, or pathogen transmission. Among the 69 threatened species of the Brazilian fauna, 55% have been cited in studies on dogs. Dog occurrence was assessed for 31 National Parks in Brazil. The presence of human residents and hunters in protected areas were the factors most often quoted as facilitating dog occurrence. These may be feral, street or domestically owned dogs found in protected areas in urban, rural or natural areas. Effective actions to control this invasive alien species in natural areas must consider dog dependence upon humans, pathways of entry, and the surrounding landscape and context.
Licença:: © 2016 Associação Brasileira de Ciência Ecológica e Conservação. Published by Elsevier Editora Ltda. This is an open access article under the CC BY-NC-ND license (
Appears in Collections:ECO - Artigos publicados em periódicos

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