Spatial Variation of Bacteria in Surface Waters of Paranaguá and Antonina Bays, Paraná, Brazil

Kolm, Hedda Elisabeth; Schoenenberger, Maria Fernanda; Piemonte, Mariana da Rocha; Souza, Patrícia S. de A.; Scühli, Guilherme Schnell e; Mucciatto, Mariele B.; Mazzuco, Roseli

doi:10.1590/s1516-89132002000100005

Cited by 40 publications

(34 citation statements)

References 11 publications

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“…The high values of total coliforms and low values of thermotolerant coliforms in Penedo tidal creek confirmed previous observations of Kolm et al (2002) that the part of the total coliforms were autochthonous. The analyses of total coliforms, accomplished by Higuti et al (1998) in Penedo tidal creek, showed similar results during the winter and spring.…”

Section: Discussionsupporting

confidence: 89%

“…Besides, the existence of a film of superficial fat in the internal station, that could hinder the interaction water/air, should be considered. In none of the studied tidal creeks, the DO reached values equal or above 100% of saturation, frequently found in the waters of Paranaguá Bay (Machado et al, 1997 andKolm et al, 2002). The levels of DO under 100% of saturation together with values of super saturated total CO 2 suggested that the metabolism of the investigated tidal creeks was predominantly heterothrofic (Carmouze, 1994).…”

Section: Discussionmentioning

confidence: 76%

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Evaluation of the water quality of tidal creeks of Pontal do Paraná, Paraná, Brazil

Siqueira

Godinho

Kolm

et al. 2009

Braz. arch. biol. technol.

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Section: Discussionsupporting

confidence: 89%

Section: Discussionmentioning

confidence: 76%

Evaluation of the water quality of tidal creeks of Pontal do Paraná, Paraná, Brazil

Siqueira

Godinho

Kolm

et al. 2009

Braz. arch. biol. technol.

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“…Craig et al (2004) reported that coliform bacteria have little tolerance to high salinity, and concluded that the detection of coliforms in the environment is indicative of a steady discharge of fecal material. Kolm et al (2002) found no correlation between pH and coliform MPN in water, and Scott et al (2003) found no correlation of temperature and pH with water contamination levels. Galvão et al (2006), when studying the microbiological quality of water and mussel cultivation in Ubatuba, SP, Brazil, found evidence of microbiological contamination in the water and the mussels, but these values had no relationships with pH.…”

Section: Resultsmentioning

confidence: 91%

“…Estuarine environments are subject to constant environmental changes that depend on meteorological and hydrological conditions, and are also susceptible to human influence that can change environmental characteristics. Kolm et al (2002) assessed environmental variables with bacterial biomass in Paranaguá Bay and Antonina, PR, Brazil, and established the existence of a direct relationship between salinity and water transparency, and a negative relationship with organic matter, bacterial biomass and total coliforms; these authors concluded that human influence can directly or indirectly change the environmental characteristics of coastal regions.…”

Section: Resultsmentioning

confidence: 99%

Coliform density in oyster culture waters and its relationship with environmental factors

Mignani¹,

Barbieri

Marques

et al. 2013

Pesq. agropec. bras.

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-The objective of this work was to evaluate the total and thermotolerant coliform densities in the oyster culture water of Cananeia, SP, Brazil, correlating these densities with environmental variables and tidal variations. Superficial water samples were collected in two tide conditions (spring and neap) from three areas of Cananéia municipality (Mandira, Itapitangui and Cooperostra). The three studied areas showed good conditions for the culture regarding coliform densities. The two tidal conditions differed significantly as to total coliform concentration; however, the same procedure was not performed for thermotolerant coliforms. No correlation was observed between water temperature, pH, and concentrations of total and thermotolerant coliforms. Coliform density was positively correlated with rainfall and negatively correlated with salinity. Spring and neap tides differed significantly as to coliform number. Simple diagnosis of environmental conditions of the crop fields is insufficient to assess water quality of shellfish cultivation. A continuous monitoring program of planted areas is necessary both for the assessment of water quality potential for marine culture and for ensuring safe consumption of seafood, besides constituting an important tool to understand the relationships between contamination and the involved environmental variables.Index terms: Crassostrea, contamination, microbiology, principal component analysis, total and thermotolerant coliforms. Densidade de coliformes em águas de cultivo de ostras e sua relação com fatores ambientaisResumo -O objetivo deste trabalho foi avaliar as densidades de coliformes totais e termotolerantes, em água de cultivo de ostra de Cananeia, SP, e correlacionar estas densidades com variáveis ambientais e as variações das marés. Foram coletadas amostras de água superficial em duas condições de maré (sizígia e quadratura) de três áreas do Município de Cananéia (Mandira, Itapitangui e Cooperostra). As três áreas estudadas apresentaram boas condições para cultivo, quanto à densidade de coliformes. Diferenças significativas foram registradas entre as condições de marés quanto à concentração total de coliformes; no entanto, o mesmo procedimento não se aplicou para coliformes termotolerantes. Nenhuma correlação foi observada entre a temperatura da água, o pH e as concentrações de coliformes total e termotolerantes. As densidades de coliformes correlacionaram-se positivamente com a pluviosidade e negativamente com a salinidade. O número de coliformes foi significativamente diferente nas marés de sizígia e de quadratura. O simples diagnóstico das condições ambientais é insuficiente para avaliar a qualidade da água de cultivo de ostras. Um programa de monitoramento contínuo de áreas cultivadas é necessário tanto para avaliar o potencial dessas águas, como para garantir o consumo seguro de frutos do mar, além de constituir-se como instrumento importante para a compreensão das relações entre a contaminação por coliformes e as variáveis ambientais envolvidas.Termos par...

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“…The tidal regime is semidiurnal, presenting a 2.2 m mean tidal range and a 5.4 m average depth (Lana et al, 2001). There are several villages and hamlets in its surroundings as well as the largest city on the Paraná coast, Paranaguá, which has 116,000 inhabitants (Kolm et al, 2002).…”

Section: Shallow Infralittoral Environment Of Macielparanaguá Baymentioning

confidence: 99%

Comparison of the temporal and taxonomic patterns of ichthyofauna captured with a fyke net in two sheltered environments in southern Brazil

Soeth¹,

Ribeiro²,

Spach³

et al. 2015

lajar

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ABSTRACT. We use two taxonomic indexes to assess the variability of the taxonomic structure and diversity of the ichthyofauna of two low-energy environments in southern Brazil and to compare the temporal patterns of these two ichthyofaunas. Sampling was conducted in the infralittoral zones of Maciel (Paranaguá Bay, PR) and Indio Beach (Norte Bay of Florianópolis, SC). A fyke net was set up at a depth of 0.5 to 2.0 m and left in place for 48 h for each of the samplings. A total of two diurnal and two nocturnal samplings were conducted monthly per one year. The ichthyofaunas at the two sites exhibited similar temporal dynamics, with their abundance and biomass presenting a tendency to increase with increasing temperature during the spring and summer months. A total of 113 species were captured, of which 47 were present at both sites. Harengula clupeola, Sphoeroides testudineus and S. greeleyi were especially abundant at both sites. The co-occurring species displayed similar day and night occupancy trends. In all seasons, the obtained values for the average taxonomic distinctness and variation in taxonomic distinctness were within the confidence intervals. The seasonal reproduction and recruitment patterns led to slight changes in taxonomic distinctness during the year, which were within the expected intervals. Keywords: ichthyofauna, taxonomic distinctness, nycthemeral dynamics, sheltered beach, southern Brazil.Comparación de los patrones taxonómicos y temporales de la ictiofauna capturada con red fyke en dos ambientes protegidos en el sur de Brasil RESUMEN. Se utilizaron dos índices taxonómicos para evaluar la variabilidad de la estructura taxonómica y diversidad de la ictiofauna en dos ambientes de baja energía en el sur de Brasil, así como para comparar sus patrones temporales. Los muestreos se realizaron en las zonas infralitoral de Maciel (Bahía de Paranaguá, PR) e Indio Beach (Bahía Norte, SC). Se instaló una "fyke net" a una profundidad de 0,5 a 2 m, durante 48 h, para cada uno de los muestreos. Durante un año se realizó un total de dos muestreos diurnos y dos nocturnos. La ictiofauna en los dos sitios mostró dinámicas temporales similares, con su abundancia y biomasa presentando una tendencia a aumentar con el incremento de la temperatura durante los meses de primavera y verano. Un total de 113 especies fueron capturadas, de los cuales 47 estuvieron presentes en ambos sitios. Harengula clupeola, Sphoeroides testudineus y S. greeleyi fueron especialmente abundantes en ambos sitios. Las especies coexistentes mostraron tendencias similares de ocupación tanto de día como de noche. En todas las estaciones, los valores obtenidos para la distinción taxonómica media y para la variación en la distinción taxonómica estuvieron dentro de los intervalos de confianza. Los patrones de reproducción y reclutamiento estacionales llevaron a ligeros cambios en la distinción taxonómica durante el año, que estuvieron dentro de los intervalos esperados. Palabras clave: ictiofauna, distinción taxonómica, dinámica nictimeral, play...

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Spatial Variation of Bacteria in Surface Waters of Paranaguá and Antonina Bays, Paraná, Brazil

Abstract: Spatial variability in the concentration of total bacteria, saprophytes and coliforms abundance was investigated in

Cited by 40 publications

References 11 publications

Evaluation of the water quality of tidal creeks of Pontal do Paraná, Paraná, Brazil

Evaluation of the water quality of tidal creeks of Pontal do Paraná, Paraná, Brazil

Coliform density in oyster culture waters and its relationship with environmental factors

Comparison of the temporal and taxonomic patterns of ichthyofauna captured with a fyke net in two sheltered environments in southern Brazil

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