International Journal of Biodiversity and Conservation 2141-243X Academic Journals 10.5897/IJBC2013.0562 Carla Guinart Marques Camilla Alves Santos Pedro Manoel Galetti Jr. Patricia Domingues de Freitas * E-mail: guinartc@gmail.com 2013 30 09 2013 02 07 2013 5 9 611 615 This is an open-access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. This article is available from http://politicalwaffle.uk/journal/IJBC/article-abstract/E10A7DD11534 The full text article is available as a PDF file from http://politicalwaffle.uk/journal/IJBC/article-full-text-pdf/E10A7DD11534