2020
DOI: 10.19177/rgsa.v9e42020695-715
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Qualidade Da Água E Índice De Estado Trófico No Rio Guamá, Município De Belém (Pará, Brasil)

Abstract: A água é um dos recursos naturais mais importantes do planeta, sendo o monitoramento ambiental uma ferramenta primordial para auxiliar na conservação qualitativa e quantitativa das propriedades físicas, químicas e biológicas da água. Dessa forma, o objetivo deste trabalho foi avaliar a qualidade da água e o estado trófico aquático do rio Guamá, no Município de Belém – PA, e relacionar os parâmetros abióticos e biótico com a sazonalidade da região. Foram realizadas doze coletas ao longo de um ano no rio Guamá. … Show more

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Cited by 6 publications
(2 citation statements)
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“…Regarding the TSI, results contrary to studies performed in the region are described since Santos et al (2014) andVarela et al (2020) show the variation in the trophic state of the Guamá River, ranging from mesotrophic to supereutrophic. This is probably due to the sampling stations of these studies, which are closer to the city's drainage channels and dumped adjacent to Guajará Bay.…”
Section: An Acad Brascontrasting
confidence: 86%
“…Regarding the TSI, results contrary to studies performed in the region are described since Santos et al (2014) andVarela et al (2020) show the variation in the trophic state of the Guamá River, ranging from mesotrophic to supereutrophic. This is probably due to the sampling stations of these studies, which are closer to the city's drainage channels and dumped adjacent to Guajará Bay.…”
Section: An Acad Brascontrasting
confidence: 86%
“…As expected for the pattern of Amazonian estuarine waters, the Guajará Bay has its salinity ranging from 0 to 4.5 [30], while the Guamá River, responsible for about 90% of the hydric capacity of these reservoirs [10], has turbid and slightly acidic waters, with salinity variation from 0 to 0.04. This river receives untreated domestic and industrial sewage, which makes its waters vary from mesotrophic at high tide to hypereutrophic at low tide [5,31]. The Água Preta and Bolonha reservoirs are located in environmental Conservation Unit (01º27'21"S; 48º30'15"W), being surrounded by a strip of primary and secondary forest with ombrophilous vegetation [32], however, the urban area added the deforested area is equivalent to 43% of the total area of the watershed.…”
Section: Study Areamentioning
confidence: 99%