Currently, there is a set up procedure to sort out the solid waste in the beach sand, by unit, amount and type of waste found with which it is determined the percentage of distribution of this throughout the sand as well as how hazardous it could be for visitors. Regarding the measurement of floating solid wastes, authors such as Botero INVEMAR, have stated methods that suggest the use of multifilament devices by moving on a boat at a constant speed along the coast line in a parallel way in order to catch the floating solid waste in seawater. According to the statement above, it was necessary to come up with a model which could be able to assess the efficiency of the method applied considering the sampling both in parallel and perpendicular to the coastline. Additionally, sample collection is proposed to be performed by a field auxiliary technician around the most crowded beach area and so the impact of a boat moving around may be diminished. The main objective of the developed model attempted to find the effective combination among all the given variables in order to come with an easy process to monitor parameters in a reliable way. Through this method, it is possible to get information with regards the type and percentages of floating solid waste at every beach in contrast with sanitary quality and the density of visitors in order to determine the nature of waste found in the seawater.

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Skip to search form Skip to main content You are currently offline. Some features of the site may not work correctly. DOI: Domestic sewage involves several products, such as pesticides, pharmaceutics products, detergents, soybean oil, heavy metal of battery, and others.

It is discharged continually in landfill or at any place in city as Manaus. When non-treated the landfill leachate contaminates the superficial and groundwater water. View PDF. Save to Library. Create Alert. Launch Research Feed.

Share This Paper. Citations Publications citing this paper. Risk assessment of trace elements pollution of Manaus urban rivers. Valc Effects of environmental pollution on the rDNAomics of Amazonian fish. References Publications referenced by this paper.

Evaluation of distribution, mobility and binding behaviour of heavy metals in surficial sediments of Louro River Galicia, Spain using chemometric analysis: a case study. Chromium contamination in sediment, vegetation and fish caused by tanneries in the state of Minas Gerais, Brazil. Relationship among parameters of lake polluted sediments evaluated by multivariate statistical analysis.

Physical-chemical treatment of landfill leachate for metals removal Ronald S. Sletten , Mark M Benjamin , J. Horng , John F. Ferguson Chemistry Linking ecological and ecotoxicological techniques to support river rehabilitation. Stuijfzand Chemistry, Medicine Chemosphere Risk assessment approaches for ecosystem responses to transient pollution events in urban receiving waters.

Bicudo , D. Bicudo Amostragem em Limnologia Related Papers. Abstract 11 Citations 15 References Related Papers. By clicking accept or continuing to use the site, you agree to the terms outlined in our Privacy Policy , Terms of Service , and Dataset License.


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20. Algumas considerações sobre desenho amostral para Estudos de Longa Duração

Periphytic algal community structure on Eleocharis acutangula Roxb. The aim of this study was to evaluate the influence of seasonal variation of environmental conditions on the structural attributes of the periphyton community on Eleocharis acutangula Roxb. The spring and summer were characterized by higher values of macrophyte cover, phytoplankton chlorophyll a , light, and phosphorus availability in the water. Periphyton biomass and algal density were negatively correlated with macrophyte cover and phytoplankton chlorophyll a.

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