A influência do uso e ocupação do solo na qualidade da água de nascentes - Análise de macroinvertebrados Bentônicos como bioindicadores

Maciel, Marilene Oliveira dos Santos; Melo, Sandra Maria de

doi:10.24221/jeap.2.1.2017.1029.36-43

Cited by 8 publications

(5 citation statements)

References 6 publications

(2 reference statements)

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“…There was high similarity between the most distant sampling sites from the urban perimeter (A and G), based on biological indexes and physicochemical parameters (Figure 3), mainly due to the high values of BMWP, dissolved oxygen, cooper and iron, and lower cadmium (Figure 2). Despite having some evidences of degradation resulting from anthropic actions, such as waste deposition on the river banks, the both sites showed riparian vegetation, which contributed to the diversification of habits for macroinvertebrate communities (CORBI; MELO, 2017).…”

Section: Resultsmentioning

confidence: 99%

Impact of urbanization on the water quality of the Uberaba River and tributaries

Domingues

Biscalquini

Senhuk

et al. 2021

CeN

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This paper evaluated the quality of the water in Uberaba River and tributaries. Seven sites were sampled, in a 12-km under the influence of the urban area. The sampling site started upstream the raw-water catchment station, passing through the urban perimeter, upstream and downstream the discharge of the effluent treated by the Sewage Treatment Plant. Benthic macroinvertebrates were collected using a Surber net and, after identification, the indices of BMWP, diversity, equitability and dominance were calculated, besides functional group analysis. In each sampling site, it was analyzed microbiological and physicochemical parameters in order to identify possible domestic and/or industrial pollution sources. A rapid assessment protocol (RAP) was also applied, and land use and occupation aspects were mapped. The water collected in the furthest sampling site from the urban area and with vegetation in the surroundings, presented satisfactory quality, based in BMWP index. However, this quality dropped to very poor as the river water crossed the urban perimeter. The land use and occupation map showed a predominance of agriculture/pasture and urbanization. In addition, the presence of E. coli and the high levels recorded for some metals (principally cooper and cadmium), suggested contamination of the water with domestic and industrial effluents.

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Section: Resultsmentioning

confidence: 99%

Impact of urbanization on the water quality of the Uberaba River and tributaries

Domingues

Biscalquini

Senhuk

et al. 2021

CeN

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“…Replacement of native forests with agricultural and forestry plantations is a continuous and growing trend, which is intensified in catchment areas, extending to the margins of water bodies, where water quality is negatively impacted (Hunke et al, 2015). Because of land degradation and inadequate management, water resources face serious impacts, which results in damage to water quality and availability (Santos and Melo, 2017).…”

Section: Introductionmentioning

confidence: 99%

Characterization of water quality and the effects of land use and seasonality on springs in eastern Amazonia

Nascimento,

Araújo,

Sodré

et al. 2023

Rev. ambiente água

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Land-use changes followed by inadequate management may cause serious impacts to springs, generating losses in quality and availability. An alternative to minimize or mitigate potential future impacts is to monitor the water quality parameters of micro-watersheds in the medium- and long-term. This monitoring is essential for planning purposes and governmental environmental regulation, especially in highly altered regions in the Amazon, such as Paragominas, in the state of Pará. This study investigated the influence of land use change and seasonality on the quality of springs. For this purpose, physicochemical parameters characteristic of water quality in five collection points of springs with a surrounding area of distinct land use history were analyzed between 2015 and 2017. Following the current legislation, the only parameter in imbalance was dissolved oxygen (DO). However, these are common values, considering springs. The results showed that most of the parameters presented variation to different land uses. This interpretation was intensified mainly by the variations in Sodium, TN, DO and temperature. However, few of these variables were related to local seasonality (only turbidity, sulfate and potassium). These results prove that it is possible to integrate the change in the use and occupation of the basin, determined by the variations observed in the sampled points. Thus, studies and diagnostics that can subsidize management in basin areas are an important tool to direct public policies to improve environmental and social quality for the population living around these basins. Keywords: Amazon, land use change, springs, water quality.

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“…In response to current water protection laws in Brazil, spring water sources must be monitored if they comprise part of a PPA, located in watersheds considered environmental management units (Torres et al, 2016;Santos & Melo, 2017). Providing information for land-use modification on springs and surface water outlets, field-monitoring programs at the small watershed scale inform decision support for resolving multiple water use scenarios, as water pollution source/fate/transport and conflict management among watershed stakeholders.…”

Section: Introductionmentioning

confidence: 99%

Protected springs water resilience in watershed of south of Brazil

Todeschini

Swarowsky

Panziera

et al. 2022

RBRH

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Springs of the Vacacaí-Mirim river basin, in the Atlantic Forest biome, are protected by law because they provide an environmental service through water supply. No study provided identification, estimates and information about the seasonality of water resilience and environmental conditions of these springs, which supply the central region of the state of Rio Grande do Sul, Brazil. This study monitored headwater flow volume and interpreted the results through seasonality and use of the flow duration curve, characterizing the springs and showing the water production capacity. As a result, the springs presented higher flow duration curve contrasts. Considering consistent monitoring time, differences in flow characteristics occurred in the analyzed springs allowed to qualify based on their persistence, temporary or ephemeral flow, showing which springs are more resilient. The shape of the flow permanence curve was different for each spring in the basin. The study was able to determine the flow duration curve and confirm the resilience and reality of a headwater of the Vacacaí-Mirim river basin, being more accurate and necessary than estimates of flow from springs.

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A influência do uso e ocupação do solo na qualidade da água de nascentes - Análise de macroinvertebrados Bentônicos como bioindicadores

Cited by 8 publications

References 6 publications

Impact of urbanization on the water quality of the Uberaba River and tributaries

Impact of urbanization on the water quality of the Uberaba River and tributaries

Characterization of water quality and the effects of land use and seasonality on springs in eastern Amazonia

Protected springs water resilience in watershed of south of Brazil

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