Stream water quality under the influence of anthropic occupation: the case of urban and periurban waters in Santarém-PA
DOI:
https://doi.org/10.6008/CBPC2179-6858.2020.007.0044Keywords:
Organic matter, Physical-chemical parameters, Water pollution, Water qualityAbstract
The water resources close to the urban area of Santarém / PA have been suffering great impacts, being able to be altered by several factors, either by natural elements (geology, vegetation, soils and climate) and mainly by the set of human activities, significantly altering the processes biological, physical and chemical aspects of water resources. Due to the loss of quantity and quality of water with soil occupation, inadequate waste disposal and the destruction of its riparian vegetation. Some studies on water made in urban areas show anthropic interference in a qualitative and quantitative way in their chemical, physical and biological characteristics of water systems. One of the main types of aquatic pollution is that which is characterized by the presence of organic matter in the water, therefore, the greater the amount of organic material available, the greater the population of organisms that decomposes it, therefore, the greater the amount of oxygen consumed. The study aims to determine the physical-chemical and bacteriological parameters of water quality in the main channel of eleven hydrographic micro-basins in the urban and peri-urban areas of the Municipality of Santarém.
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