%0 Journal Article %T Use of camera-traps in natural trails and shelters for the mammalian survey in the Atlantic Forest %A Melo %A Geruza L. %A Sponchiado %A Jonas %A C¨¢ceres %A Nilton C. %J Iheringia. S¨¦rie Zoologia %D 2012 %I Funda??o Zoobot?nica do Rio Grande do Sul %R 10.1590/S0073-47212012000100012 %X in order to evaluate the efficiency of different mammalian survey methods, we compared traditional sampling techniques (use of camera-traps on roads and artificial trails, track censuses, and direct field visualization) with an alternative sampling design (camera-traps positioned in natural areas such as natural trails and shelters). we conducted the study in a deciduous atlantic-forest park in southern brazil, and additionally compared our results with a previous intensive study carried out in the same area. our considerably smaller sampling effort (example: 336 trap.day for our camera-traps versus 2,154 trap.day for the earlier study) registered the presence of 85% of the local known species, with camera-traps being 68% efficient. moreover, shelter camera-traps revealed a different species composition regarding most of other sampling methods. this sampling strategy involving natural forest sites was therefore able to effectively optimize the chances of evaluating species composition in a shorter period, especially with respect to lower-density and cryptic species, as well as to detect species that avoid open, disturbed sites such as roads and man-made forest trails. %K combined sampling %K diversity evaluation %K forest interior %K trapping effort. %U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S0073-47212012000100012&lng=en&nrm=iso&tlng=en