Abstract
Seasonal forests are one of the most endangered ecosystems in the Atlantic Forest biome, with few protected areas and scarce knowledge on fauna. In order to contribute by means of data on mammal occurrence, distribution, and conservation, this study aimed to provide a list of medium and large-sized mammal species in Fritz Plaumann State Park and in surrounding areas and identify the main threats to mammal species in these locations. Having 741 ha, the park is the only protected area with this ecosystem in the state of Santa Catarina, Brazil. In 2007, 2010, and 2012, samplings were carried out through direct and indirect observation, camera traps, and interviews. Twenty three species were registered, representing 42% of the total number of medium and large-sized land mammals known for the state of Santa Catarina. Six species fell within some threat level in the state or national red list. Even with a small size, this park is one of the largest forest fragments in this region and a refuge for many species within a matrix under intense anthropogenic pressure (e.g. presence of exotic species, hunting). Areas adjacent to the park also show significance for mammal conservation and further strategies must involve, whenever possible, the region as a whole.
Highlights
Ecosystem in the state of Santa Catarina, Brazil
Twenty three species were registered, representing 42% of the total number of medium and large-sized land mammals known for the state of Santa Catarina
Six species fell within some threat level in the state or national red list
Summary
A Mata Atlântica do Alto Paraná distribui-se, principalmente, na porção superior da Bacia Hidrográica do Paraná, originalmente coberta por Floresta Decidual e Semidecidual (DI BITETTI et al, 2003), também citada como loresta de interior (RIBEIRO et al, 2009), Estacional Decidual (VELLOSO; GÓES-FILHO, 1982) e Floresta Atlântica do Alto Paraná (OLSON et al., 2001) (Figura 1-A). O Parque Estadual Fritz Plaumann (PAEFP) (27°17’36”S; 52°06’38”W, 400 a 500 m de altitude) localiza-se no município de Concórdia, região oeste do estado de Santa Catarina (Figura 1-A). A vegetação característica da região é a Floresta Estacional Decidual, um dos ecossistemas associados ao bioma Mata Atlântica, que ocorre em altitudes baixas (até 800 m) do rio Uruguai e seus aluentes (BRASIL, 2006). FIGURA 1: A – Distribuição original da Floresta Estacional Decidual e a localização do Parque Estadual Fritz Plaumann, estado de Santa Catarina, sul do Brasil. O plano de manejo do parque estabeleceu uma zona de amortecimento de 0,5 km no seu entorno, além de pequenas bacias hidrográicas com distâncias de até 3 km, totalizando cerca de 2.100 ha (FATMA, 2005) (Figura 1-B). Foram amostrados cinco fragmentos lorestais com tamanho variando de 25 a 28 ha (400 a 600 m de altitude). O clima da região classiica-se como mesotérmico úmido, com uma temperatura média anual de 19,6oC (IBGE, 2002)
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