Assessment of the conservation status of two restinga areas on the coast of São Paulo, Brazil Rita de Cássia Araújo, Sílvia Lima Oliveira dos Santos, Mara Angelina Galvão Magenta, Milena Ramires

Abstract

This study compared the preservation status of two restinga areas, one in the Bertioga Restinga State Park (PERB), in the municipality of Bertioga, and the other in the Barra do Una Sustainable Development Reserve (RDSBU), in the municipality of Peruíbe, both in the state of São Paulo. The study was carried out through field visits to observe the conservation status of the vegetation and factors such as the presence of exotic species and anthropogenic changes. The results revealed that both areas suffer from human actions and invasion of exotic species, but in the PERB the monitoring situation was precarious: invasive species (Casuarina equisetifolia L. (beach pine) and Terminalia Catappa L. (sun hat), with negative allelopathic effects), fallen or cut trees, species affected by diseases (foliar lesions caused by fungi), compacted soil on the trail, edge effect (invasion of the forest by gravata), presence of garbage and lack of monitoring, which led to the inference that degradation is accelerating. Many factors may be involved, which leads to the need for more in-depth studies in these locations to better understand the situation and propose ways to preserve the biodiversity contained in these CUs.