Abstract

ABSTRACT This work presents a list of the Angiosperms that occurs in a fragment of the Atlantic Forest, Recôncavo da Bahia region. The present study was carried out in the Serra da Copioba in the municipality of São Felipe, Bahia State, Brazil. Botanical expeditions were carried out in the studied area between the years 2016 and 2017. The collections were performed in trails throughout the region of the Serra da Copioba. The specimens were housed in the Herbarium of the Recôncavo da Bahia (HURB). We found 306 species. The rates of endemism registered by this study are 20.46% for species occurring exclusively in the Atlantic Forest and 4.25% are endemic to Bahia State. The good indexes of endemism added to the exclusive occurrence of plants make the Copioba Mountain an important remnant of the Atlantic Forest of the region.

Highlights

  • The Atlantic Forest is a phytogeographical domain formed by a set different vegetations in the Brazilian coast that originally occupied about 1,315,460 km2, currently only 12.5% of this area is preserved and distributed in small and threatened fragments (SOS Mata Atlântica 2018)

  • The endemism indexes recorded in this study are 23.2% for endemic species of the Atlantic Forest (e.g. Aechmea depressa L.B.Sm. and Guatteria villosissima A.St.-Hil.) and 4.05% for endemic species of Bahia

  • The differences between the main families found in this study and other floristic surveys in the Atlantic Forest of Bahia may be associated to the different degree of conservation of the studied areas and the different interactions among physical, biological, geological and altitude factors

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Summary

Introduction

The Atlantic Forest is a phytogeographical domain formed by a set different vegetations in the Brazilian coast that originally occupied about 1,315,460 km, currently only 12.5% of this area is preserved and distributed in small and threatened fragments (SOS Mata Atlântica 2018). Universidade Federal do Recôncavo da Bahia, Centro de Ciências Agrárias, Ambientais e Biológicas, Rua Rui Barbosa, 710, Centro, The floristic knowledge is useful to record the species of plants occurring in a given location, what can be used to understand biogeographical patterns and help to restore degraded areas with local native species (Moro & Martins 2011). This knowledge could be useful to characterize and compare it with other areas, as well as to provide useful data for biodiversity conservation of remnants of the Atlantic Forest is fundamental. Studies at local scales, whether surveying or taxonomic treatment, are fundamental to compose the knowledge of the flora and biogeography of the species, since most of the studies on a global scale have been treated as a compilation of studies at smaller scales (Thomas et al 2012)

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