Relation between trophic state index and land use in permanent preservation areas of the Paraíba do Sul River Sul (2021)
- Authors:
- USP affiliated authors: SILVA, FLÁVIO TEIXEIRA DA - EEL ; PAIVA, TERESA CRISTINA BRAZIL DE - EEL ; MARASSI, RODRIGO JOSÉ - EEL ; QUEIROZ, LUCAS GONÇALVES - EEL ; PRADO, CAIO CÉSAR ACHILES DO - EEL
- Unidade: EEL
- DOI: 10.21168/rega.v18e19
- Subjects: EUTROFIZAÇÃO; QUALIDADE DA ÁGUA
- Keywords: Water Scarcity; Water Quality; Riparian Zones; Eutrophication; Zonas Ripárias; Escassez Hídrica; Qualidade da Água
- Agências de fomento:
- Language: Inglês
- Abstract: The present study aimed to correlate the variables that could influence the water quality of Paraíba do Sul River (PSR), such as vegetation cover in the permanent protection areas (PPA), rainfall, and the Trophic State Index (TSI). The riparian zones were classified according to the vegetation cover from satellite images, as follows: Tree plant cover (TPC), Permeable area (PER), and Impermeable area (IMP). The total phosphorus (TP) and chlorophyll-a (CL) concentrations in the collected water were used to determine the TSI. A multivariate correlation analysis (Principal Component Analysis (PCA)) was carried out using the TSI values, rainfall, and vegetation cover. We observed a higher occurrence of IMP and PER in the riparian zones of the PSR. The TP and CL concentrations increased during rainy periods, mainly in PER. The multivariate analysis demonstrated that the terrestrial areas influenced significantly the PSR parameters. PER contributed to the impairment of the water quality from the PSR, particularly in the rainy period. Our results reinforce the need to preserve and promote the restoration of the riparian areas in basins, mainly in the PSR.
- Imprenta:
- Publisher: ABRHidro
- Publisher place: Porto Alegre, RS
- Date published: 2021
- Source:
- Título: Rega - revista de gestão de água da américa latina
- ISSN: 2359-1919
- Volume/Número/Paginação/Ano: v.18, p.1-13, art. n.e19, 2021
- Este periódico é de acesso aberto
- Este artigo é de acesso aberto
- URL de acesso aberto
- Cor do Acesso Aberto: gold
- Licença: cc-by
-
ABNT
QUEIROZ, Lucas Gonçalves et al. Relation between trophic state index and land use in permanent preservation areas of the Paraíba do Sul River Sul. Rega - revista de gestão de água da américa latina, v. 18, n. art. e19, p. 1-13, 2021Tradução . . Disponível em: https://doi.org/10.21168/rega.v18e19. Acesso em: 28 dez. 2025. -
APA
Queiroz, L. G., Silva, D. C. V. R., Marassi, R. J., Prado, C. A. G., Silva, F. T. da, & Paiva, T. C. B. de. (2021). Relation between trophic state index and land use in permanent preservation areas of the Paraíba do Sul River Sul. Rega - revista de gestão de água da américa latina, 18( art. e19), 1-13. doi:10.21168/rega.v18e19 -
NLM
Queiroz LG, Silva DCVR, Marassi RJ, Prado CAG, Silva FT da, Paiva TCB de. Relation between trophic state index and land use in permanent preservation areas of the Paraíba do Sul River Sul [Internet]. Rega - revista de gestão de água da américa latina. 2021 ;18( art. e19): 1-13.[citado 2025 dez. 28 ] Available from: https://doi.org/10.21168/rega.v18e19 -
Vancouver
Queiroz LG, Silva DCVR, Marassi RJ, Prado CAG, Silva FT da, Paiva TCB de. Relation between trophic state index and land use in permanent preservation areas of the Paraíba do Sul River Sul [Internet]. Rega - revista de gestão de água da américa latina. 2021 ;18( art. e19): 1-13.[citado 2025 dez. 28 ] Available from: https://doi.org/10.21168/rega.v18e19 - Avaliação ecotoxicológica do sedimento do Rio Paraíba do Sul utilizando macroinvertebrados aquáticos.
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Informações sobre o DOI: 10.21168/rega.v18e19 (Fonte: oaDOI API)
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