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Due to the speedy process of urban and population growth the Aracaju Region has grown quickly, which has generated serious impacts due to irregular occupations, but also mainly by domestic sewage dump, garbage and lack of environmental awareness about the importance of preserving ecosystems. So this study aims to assess the urban growth with the events the degradation of ecosystems of mangroves, being a delicate ecosystem that has suffered from the excessive urban expansion of Aracaju Region. Can be confirm with data collected that much of the sewage network is precarious, situation that comes to repeat even in the capital, leading to the conclusion the need to implement preventive actions and environmental awareness to improve the quality of life of the population and try to minimize environmental damage. [ABSTRACT FROM AUTHOR]

The regions of Caravelas and Mucuri are located in the extreme south of Bahia state, they are characterized by coastal regions with diverse ecosystems that have great importance in the life of many species cycle. They are regions that stand out as the two main cellulose producing municipalities in the country. In Caravelas region it is situated one of the leading marine parks in South America, the Abrolhos Marine National Park which has great importance in the conservation of many species and unfortunately has suffered environmental damage due to the large growth of tourism and fishing. In recent years these two regions has been the subject of great activities such as eucalyptus monoculture, cellulose and paper industries, among other activities that have generated employment for local residents and source of income. It was conducted a literature review of the two regions over the last few years in order to update the information that was previously granted such as population growth, basic sanitation data, among others, to analyze the changes in the two regions and to assess the intensity of environmental impacts in both regions. Through this study it could be observed that the two regions has shown growth in recent years and they are areas with high feasibility of implementing major industries and increased tourism, implementation of resorts and hotels, which has caused changes across the landscape and generating part environmental impacts that must be assessed and studied. [ABSTRACT FROM AUTHOR]