Abstract
Despite the riparian forest importance, it is evident that areas compose sub-basins undergo constant changes, culminating in these ecosystems’ degradation. Thus, the floristic composition of nine headwaters of the Piauitinga River Sub-Basin, located in Sergipe, Brazil, will be presented. A collection of botanical material was taken within a radius of 50 m from the water edge of each source. The taxonomic identification of the specimens was developed considering specialized literature, taxonomic keys, expert consultation, comparison with dissected perianth and queries to the Virtual Herbarium. There were 190 species of vascular plants distributed in 146 genera and 55 families. 188 species of the Angiosperms group with 144 genera and 51 botanical families and the pteridophytes are represented by two species, belonging to two genera and two families. It is recommended the use of ecological restoration models that contemplate such species in future projects to be relayed in this planning unit.
Highlights
The riparian forests correspond to the typologies of vegetation located on the banks of watercourses, headwaters and reservoirs
The preservation of the gallery forests has great importance, since they increase the flow of rivers by storing more water in the micro-basins, besides contributing to the maintenance of their quality
This paper presents a list of species occurring in headwaters areas in the Piauitinga River Sub-Basin in the municipality of Estância and aimed to provide subsidies for riparian forest recovery programs in degradation in the region, considering the vegetative characteristics, the knowledge of the species and their ecological functions
Summary
The riparian forests correspond to the typologies of vegetation located on the banks of watercourses, headwaters and reservoirs. They play important roles, such as: protecting the banks of watercourses against erosion and silting and providing an adequate environment for local fauna, among others. The preservation of the gallery forests has great importance, since they increase the flow of rivers by storing more water in the micro-basins, besides contributing to the maintenance of their quality. Especially rivers and streams, are ecosystems that are altered by anthropic activities (Souza & Bulhões, 2015) and these forests are essential for the management and conservation of river basins
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