Impactos e vulnerabilidades socioambientais no trecho urbano do Rio Barra Nova, Caicó/RN
Urban rivers in Brazil are no longer associated with pleasant environments, habitat for the subsistence of countless species of local fauna and flora, in addition to a pleasant environment for the society that uses and occupies its banks, gradually becoming synonymous with degradation, pollution,...
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| Formato: | Dissertação |
| Idioma: | pt_BR |
| Publicado em: |
Universidade Federal do Rio Grande do Norte
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| Endereço do item: | https://repositorio.ufrn.br/handle/123456789/55076 |
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| Resumo: | Urban rivers in Brazil are no longer associated with pleasant environments, habitat for
the subsistence of countless species of local fauna and flora, in addition to a pleasant
environment for the society that uses and occupies its banks, gradually becoming
synonymous with degradation, pollution, impacts adverse socio-environmental. The rapid
and disorderly process of city growth has produced socio-environmental vulnerabilities
in river channels. These spaces become an alternative housing for low-income families,
however, the indiscriminate use and occupation corroborates and intensifies the process
of deforestation of riparian forest, pollution of channels, contamination of water,
degradation and silting of urban river environments. Thus, it was defined as the main
objective of this master's thesis, to analyze the environmental problem, from the
perspective of indicators of socio-environmental vulnerabilities present in the urban
section of the Barra Nova river, located in the city of Caicó/RN. The methodology
employed used aerial photography techniques, field activity and laboratory analysis,
using the DPSIR model - Driving Forces, Pressure, State, Impact, Response. The mapping
of forty-seven (47) analysis collection points was generated in the urban stretch of the
Barra Nova river, with the classification of nineteen (19) indicators distributed among the
five (05) DPSIR classes. It is concluded that the intense urban occupation of the urban
section of the river, enhances the process of degradation, pollution and silting of the river
channel, directly affecting the balance in the aquatic ecosystem and habitat of
biodiversity, in addition to reducing the quality of life of riverside families subsist amid
adverse impacts on the environment |
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