Macrophytes communities associated to soil bioengineering techniques for erosion control in riverbanks

Maria Hosana Santos, Francisco Sandro Rodrigues Holanda, Janisson Bispo Lino, Tássio Lucas Souza Santos, Cátia Santos Fontes, Marks Melo Moura, Renisson Neponuceno Araújo Filho

Resumo


The objective of this study was to evaluate the temporal and spatial richness of aquatic macrophyte settlement in a right bank of the São Francisco river, northeastern Brazil. The botanical material was collected and assembled exsiccate from April 2014 to September 2015, totaling four samplings at the points identified as: Vegetated Slope (A); Vegetated Riprap (B); Eroded Slope (C), Cribwall (D); Vetiver Grass Contour Line (E). It was identified 66 species distributed in 23 families. The Vegetated Slope in the rainfall period presented higher species richness and diversity. The soil bioengineering techniques at points B, D and E presented a stable river bank, thus creating a favorable environment for a larger settlement of macrophytes.

Palavras-chave


biodiversity, cribwall, Lower São Francisco, riprap.

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DOI: https://doi.org/10.21826/2446-82312020v75e2020011

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ISSN: 2446-8231

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