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Abstract
Mammals play an important ecological role and are related to several ecological processes. The objective of the study was to list medium and large-sized mammals species which occur in the municipality of Pirajuí, SP. The study was carried out in an urban area, roads that run through rural areas and in small fragments of Atlantic Forest. The data were obtained during a period of three years by different methods: direct observation, footprints records and by camera traps. We recorded 18 medium and large-sized mammals species belonging to 13 families and eight orders, representing 40% of medium and large-sized mammals species that occur in the State of São Paulo. Carnivora was the order with the highest number of representatives, with seven species. Thereby, the study provides important data about the occurrence of certain species of mammals in these often-neglected environments, where the lack of knowledge may lead to a future local extinctions.
Highlights
Brazil has the greatest mammal richness in the Neotropical region, with 732 mammal species distributed in 12 Orders and 50 families (Paglia et al, 2012; MMA, 2016)
In the Atlantic Forest area, one of the world’s biodiversity hotspots (Myers et al, 2000), mammals are the group with the highest proportion of endangered species, with approximately 25% of the species included in the Red List of Endangered Brazilian Fauna (ICMBio, 2018)
Aiming to contribute with data on the occurrence and distribution of mammals in the region, the objective of this study was to inventory medium and large-sized mammals in an area under anthropogenic influence such as rural areas and small forest fragments associated with them in the municipality of Pirajuí, state of São Paulo, Brazil
Summary
Brazil has the greatest mammal richness in the Neotropical region, with 732 mammal species distributed in 12 Orders and 50 families (Paglia et al, 2012; MMA, 2016). Due to a historical agricultural and urban expansion, current mammals have taken refuge in small forest remnants, which are common in the State of São Paulo, but their composition is poorly studied (Briani et al, 2001). They play an important role in the environment and are associated with several ecological processes such as: forest regeneration, prey control, seed dispersal, pollination, herbivory, among others (Abreu-Jr & Köhler, 2009). The greatest threats to terrestrial mammals in Brazil come from the loss and fragmentation of their habitat resulting from human activities and strong hunting pressure (Costa et al, 2005). Seasonal Semideciduous Forest are one of the most fragmented ecosystems in the Atlantic Forest with few protected areas and less than 10% of the remaining vegetation (Ribeiro et al, 2009)
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