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JOSCELIA MONTEIRO SANTOS DE BRITO
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Perception on environmental sanitation: a case study in the historic village of Caraíva, Porto Seguro-BA
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Leader : ALLISON GONÇALVES SILVA
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MEMBRES DE LA BANQUE :
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ALESSANDRA BUONAVOGLIA COSTA PINTO
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CATARINA DA ROCHA MARCOLIN
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JAILSON SANTOS DE NOVAIS
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Data: 5 févr. 2021
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Environmental sanitation represents an essential tool for maintaining environmental quality, well-being and human health. On the other hand, the study of environmental perception can provide instruments to overcome impasses related to the theme, since it provides an awareness of the problems related to the lived environment. Thus, recognizing the lack of information about the sanitation issues in the study area, the investigation presented aims to analyze the environmental perception of the historic village of Caraíva residents (in Porto Seguro municipality, in Bahia state) regarding sanitation, in the perspective of contributing with information that can support education and environmental management programs and strategies, aiming to collaborate with health, quality of life and sustainability of the local population. For this, interviews were conducted including open and closed questions with 77 residents of residential and mixed-use properties (residential and commercial) and observations between the months of November 2019 and March 2020. Quantitative variables of the profile of the interviewees and sanitary conditions were submitted to descriptive statistics, considering the frequency and percentages of the information. Qualitative data, in turn, were interpreted and analyzed using the Collective Subject Discourse (DSC) technique and the central ideas found were distributed in frequency tables. With the aid of the RStudio statistical software, the data were subjected to the chi-square test to verify whether the sociodemographic variables and sanitary conditions are uniformly distributed and whether there is a dependency relationship between the qualitative results and the sociodemographic variables. As a result, it was found that sanitation conditions in the village are inadequate, with the use of approximately 39,86% of rudimentary cesspools, a high adhesion to bottled mineral water (89.61%) and a strong dependence on water from shallow wells (80,52%), being greater than the use of piped water (70,03%). Regarding solid residues, although they are destined for organic animals, the residents practice composting and separating cans and cardboard, although it was found that the habit of burning and burial is still used by 33.76% of the interviewees, being associated with the least educated, older age and in residential properties. In addition, 45,45% of the interviewees rated the environmental quality as reasonable (acceptable) and associated their level of satisfaction with aspects that negatively influence the environment due to inadequate sanitation, among them the lack of awareness and the excess of people due to of tourism. The protagonism of the residents regarding autonomy in solving problems of public interest was evident, however, the interviewees attributed to the government the responsibility for undertaking improvements in terms of sewage, water supply and solids. However, regarding the latter, the results pointed to an expanded understanding of the topic, since 32,47% of the interviewees believe that the management of waste is so much the responsibility of the individual public power, considering it a shared responsibility.
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2
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ENÉIAS MURILO CERQUEIRA DA SILVA
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“Do you miss nature?”: connection to nature of 8–11 years aged children during the COVID-19 pandemic in the Discovery Coast, south of Bahia
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Leader : JAILSON SANTOS DE NOVAIS
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MEMBRES DE LA BANQUE :
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IRANI LAUER LELLIS
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JAILSON SANTOS DE NOVAIS
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JORGE ANTONIO SILVA COSTA
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THIAGO ALMEIDA VIEIRA
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Data: 28 juin 2021
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The connection to nature comprises the means by which the individual includes nature in his cognitive representation of the self, based on cognitive, emotional and experiential aspects. This work investigated the connection to nature of 8–11 years aged children, during the COVID-19 pandemic on the Costa do Descobrimento, in the Northeast of Brazil. We applied an online questionnaire (n = 55) and telephone interviews (n = 21) to collect the data, which were later analyzed using descriptive statistics and the Discourse of the Collective Subject (DCS) approach. When the children think of nature, they remember trees (n = 26; 15.75%) and like animals (n = 32; 19.39%). In the CSDs produced, the central idea “Having contact to nature” (n = 13; 61.90%) stood out and revealed what the children would have liked to have done, but could not do due to COVID-19. The children demonstrated positive affection descriptors that reflect their connection to nature. In addition to different dimensions of this connection, we perceive altruistic and biospheric environmental values in the analyzed speeches.
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3
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LÍVIA SEYMOUR GALAMA
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Sustainable Societies and Environmental Education at the Pataxó Indigenous School of the Jaqueira Reserve
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Leader : ALESSANDRA BUONAVOGLIA COSTA PINTO
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MEMBRES DE LA BANQUE :
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ALLISON GONÇALVES SILVA
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JAILSON SANTOS DE NOVAIS
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ELFANY REIS DO NASCIMENTO LOPES
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Data: 9 juil. 2021
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This work intends to understand the social and environmental educational actions of the Pataxó Indigenous School of the Jaqueira Reserve (Porto Seguro, BA), trying to correlate them with the concept of critical environmental education (EE). Using participant observation and the field diary as methods for data collection, the researcher followed the classes and helped the teachers of the multigrade classes of Elementary School I in the morning and afternoon periods on two days a week, between April and December 2019, totaling about 136 hours of field research activities. Complementing the participant observation and the field diary, the content of the Pataxó indigenous literary production found in the school library and used by teachers and students for reading activities was performed. Thus, the data found in the indigenous literature and the observations made in the field, recorded in the diary, were correlated with representative theoretical referenc es of critical EE. It was possible to notice that the activities of the Pataxó Indigenous School of the Jaqueira Reserve have characteristics of critical EE in most of its actions inside and outside the classroom, characterized as emancipatory. However, it was also clear that these actions precede the concepts of critical EA. The socio-educational actions carried out at the school constantly bring up socio-environmental and cultural issues in the activities, fostering a critical discourse for the strengthening and permanence of indigenous culture, explaining and debating issues such as environmental management, plant recognition, Pataxó graphics, use of natural materials, strengthening the people through costumes and rituals, storytelling, music, teaching the Patxohã (Pataxó language), maintaining the culture and the group through teaching pass ed from generation to generation, among many other means that characterize the teaching of the school as a fostering the development of sustainable societies.
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WINNIE AGUIAR VIRGENS
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Floristics, Phytogeography and Conservation in the Atlantic Forest: an experience in the cabrucas of the Pau-Brasil Settlement, Extreme South of Bahia
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Leader : JORGE ANTONIO SILVA COSTA
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MEMBRES DE LA BANQUE :
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CAROLINA WEBER KFFURI
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JAILSON SANTOS DE NOVAIS
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JORGE ANTONIO SILVA COSTA
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TAINA SORAIA MULLER
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Data: 13 juil. 2021
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The Ombrophilous Forest strip belonging to the south of Bahia and the north of Espírito Santo is one of the main centers of endemism in the Atlantic Forest and has a vast richness of species. The cabruca system ensured a large part of the conservation of the region's biodiversity and wealth. The Pau-Brasil Settlement, Itamaraju-BA, has an area of 325 ha with cabruca cacao, established about 90 years ago. The objective of this research was to carry out the floristic characterization of the fragments with cocoa plantations in the area, to conduct a phytogeographic analysis, by comparing the place with the florists of other places in the Atlantic Forest and to elaborate a list of tradable native species, for generation of residents' income. The floristic survey was carried out from January 2019 to January 2020, through 32 collection expeditions. For identification, specialized literature, collection of herbariums and consultation with specialists were used. The classification of vegetation and phytophysiognomies followed the Technical Manual of Brazilian Vegetation and the analysis of the collected flora. The floristic comparison with other Atlantic Forest fragments was performed by similarity, using the Jaccard index (SJ) and the UPGMA mean association method for clustering, conducted in the PAST 3.09 software. The scientific names were checked and updated following Flora do Brasil 2020 online and IPNI. For the list of marketable native species, a literature search was carried out based on the potential use (eg medicinal, wood, food) of the species. Documents were collected on the Google Scholar platform. Then, a ranking of the species was generated, using the Index of Ranking (Ranking) to classify those with the greatest number of uses. The best ranked species were analyzed on the Web of Science, Portal Periódicos CAPES, Scopus and SciELO platforms in the period 2010-2020 and the Use Value (UV) was calculated. 1,800 samples were collected belonging to 96 families, 253 genera and 366 species, registered in four phytophysiognomies, inside cabruca sites: 1) cabrucas in forests; 2) cabrucas in riparian forests; 3) rock outcrop vegetation; and 4) cabrucas in disturbed areas. Four new species were found belonging to the families Araceae (2 spp.), Connaraceae (1 sp.) and Salicaceae (1 sp.), 67 spp. endemic to the Atlantic Forest biome and 15 spp. endangered. The vegetation is characterized as Submontane Dense Ombrophilous Forest and the settlement was grouped with a protected area of Sustainable Use: RPPN Serra do Teimoso Natural Reserve; but the floristic analysis showed low similarity between the fragments, confirming the heterogeneity of the biome. The search on Google Scholar gathered 4,476 materials and on the other platforms 4,106, with information on 159 (69%) of the 231 native species analyzed. 13 categories of uses were found and 29 species were selected with the highest Ordering Indexes (OI = 0.0013 to 0.0024). Among the species with the greatest multiplicity of uses are Eugenia uniflora (pitanga), Bixa orellana (annatto) and Eschweilera ovata (biriba) (VU = 0.0003- 0.0017).
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5
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JEORGE LUIS MARTINS DE OLIVEIRA
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Transformations in the territory of the municipality of Eunápolis-BA after the installation of the pulp industry
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Leader : SEBASTIÃO PINHEIRO GONÇALVES DE CERQUEIRA NETO
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MEMBRES DE LA BANQUE :
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SEBASTIÃO PINHEIRO GONÇALVES DE CERQUEIRA NETO
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JOAO BATISTA LOPES DA SILVA
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ANDRÉ BURIGO LEITE
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LEONARDO THOMPSON DA SILVA
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Data: 14 juil. 2021
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The municipality of Eunápolis, located in the state of Bahia, became part of the state economy driven by the development generated by the pulp industry that was installed in the region since the 1990s. Thus, this research sought to demonstrate, in the form of articles, the environmental, economic and social changes that have occurred in the municipality in the past three decades. The first article, entitled: Eucalyptus, environment and the question of the field in the extreme south of Bahia, demonstrates how the insertion of eucalyptus in this part of the state became a vector of economic growth and, at the same time, promoted intense spatial transformations in the different municipalities. In addition, the study pointed out that the advancement of silviculture in the extreme south of Bahia has generated several impacts, ranging from irregularities in the environmental licensing process, disrespect for environmental laws and regulations, appropriation of indigenous areas to the disarticulation of family farming. In the second article: The urban expansion of Eunápolis and its relationship with the advance of eucalyptus monoculture in the extreme south of Bahia, the correlation between the demographic increase in the city and the advance of silviculture in the region was demonstrated. The article also demonstrates that even with the evolution of socioeconomic indicators, the demographic growth of the city, associated with the lack of planning, triggered social problems. In the third article: Spatio-temporal evolution of land use and occupation and analysis of the efficiency of the NDVI, NDBI and Built-Up indices, changes in land use in the municipality of Eunápolis were presented in the years 1996, 2007 and 2018, as well as an analysis, through equations, of the variations in the spectral indices of the NDVI (Normalized Density Vegetation Index), NDVI (Normalized Difference Built Index) and Built-Up Index for the years 2007 and 2015. The results found showed variation in all the classes of land cover during the studied period. The most significant changes were in the areas destined to the cultivation of eucalyptus, jumping from 3.67% in 1996 to 15.46% in 2018, and in pastures, reducing from 72.02% to 50.45% in the same period for the area of the municipality.
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MATHEUS BEZERRA DE OLIVEIRA
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Pedagogical Practices of Environmental Education at the Tupinambá Indigenous State School of Acuípe de Baixo, Ilhéus - BA
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Leader : ALESSANDRA BUONAVOGLIA COSTA PINTO
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MEMBRES DE LA BANQUE :
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ALESSANDRA BUONAVOGLIA COSTA PINTO
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JAILSON SANTOS DE NOVAIS
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PABLO ANTUNHA BARBOSA
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PEDRO FONSECA LEAL
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Data: 15 juil. 2021
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The main objective of Environmental Education is to promote the conservation of biodiversity, also considering individual, social and community self-realization, through practices that develop benefits to the environment and the quality of life, so the recognition of its importance is every greater in every society. The present research seeks to identify how the pedagogical practices of environmental education take place at the Tupinambá Indigenous State College of Acuípe de Baixo in Ilhéus - BA. From this, it is intended to understand whether there are reflections in the educational institution of the legal and social effects provided for in the legal provisions that guarantee the promotion of environmental education, in addition to raising awareness to preserve the environment and retake the ethnic identity itself. A qualitative methodology was applied, through bibliographic research and data collection, through the Matrix of Environmental Education Indicators for the Assessment of Socioenvironmental Sustainability at School. In addition, it included questionnaires and interviews with teachers, managers and leaders of the school and the community around them, in an attempt to produce a case study of Indigenous Environmental Education at the aforementioned school that is located in a Tupinambá indigenous community. Contrasting the data obtained with the laws and Public Politics in force. Thus, the work intends to give a return to the Public Power and to educational institutions, to society, especially to the local population, about the reality of EA in an indigenous school, its specificities, needs and potential, and how it can be improved. It should be noted that during the research it was noticed that the existing EA in the school has important knowledge and practices that can be replicated in other schools and thus contribute to the implementation of a critical, transversal and continuous EA.
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7
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TEIDIANE SANTOS CARDOSO
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Study of characterization of humic and fulvic acids in sedimentary profile and their relationship with the aquatic system
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Leader : MARCUS LUCIANO SOUZA DE FERREIRA BANDEIRA
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MEMBRES DE LA BANQUE :
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ALLISON GONÇALVES SILVA
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MARIO MARQUES DA SILVA JUNIOR
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SERGIO ANUNCIAÇÃO ROCHA
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Data: 15 juil. 2021
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The largest district of organic matter (MO) in soils, waters and sediments occurs in the form of humic substances (SH), a heterogeneous mixture of organic compounds aggregated by weak interactions of a hydrophobic nature and by hydrogen bridges. SH can be classified, operationally, according to the solubility in aqueous medium, humic acids, fulvic acids and humines. Humic and fulvic acids stand out, since they play an important environmental role, due to their characteristics, it allows an interaction with metal ions present in toxic substances responsible for the deterioration of natural ecosystems. The study of the interaction of these substances with metal ions has aroused great interest in the scientific community, since humic acids (HA) and fulvic acids (AF) trap these ions, stabilize and assist in degradation. Therefore, the understanding of their interaction mechanisms is of paramount importance for the development of methods for the active control of pollutant mitigation in the natural environment, as well as for obtaining materials that contribute to a better understanding of the causal relationship. effect between production processes and their environmental impact on aquatic ecosystems. In this sense, the present work aims to present a synthesis of the current knowledge on the fundamentals, structure and properties of humic and fulvic acids, as well as, the extraction, fractionation and the existing relationships between these substances and environmental contaminants (heavy metals) in aquatic sedimentary profile. To carry out this study, a systematic review was carried out, in which only scientific articles were selected, considering the search for titles (title, abstract, keywords). The descriptive survey took place in the following databases: Web of science, Scopus and SciELO, in the years 2015 to 2020. The keywords used were “humic acids, fulvic acids and sediments”, written in the English language to cover a greater number of publications. The search resulted in 245 articles, 122 of which were found on the Web of Science, 2 on SciELO and 121 on Scopus. Of the results found, approximately 70% are in the area of environmental sciences.
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8
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MARCELO SIMÕES TESSMANN
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BIOPRODUCTS FROM ORGANIC WASTE: THE BIOECONOMY AS AN OPPORTUNITY FOR NEW ENTERPRISES IN THE EXTREME SOUTH REGION OF BAHIA, BRAZIL
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Leader : MARCUS LUCIANO SOUZA DE FERREIRA BANDEIRA
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MEMBRES DE LA BANQUE :
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SEBASTIÃO PINHEIRO GONÇALVES DE CERQUEIRA NETO
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ANDRÉ BURIGO LEITE
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ROGÉRIO OLIVEIRA DE MELO
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Data: 16 juil. 2021
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Each year, the need for food increases as a result of population growth and consumption patterns and makes the expansion of agricultural production accelerate, generating more and more waste. The inadequate disposal of these residues is a problem in several regions of Brazil and it is not different in the extreme south of Bahia, which has a high agricultural production, mainly of sugarcane. This, in turn, generates a large volume of improperly discarded agricultural waste, which causes various environmental damage. Thus, the objective of this work was to initially evaluate the alternatives used in the reuse of agro-industrial residues produced by agricultural crops with potential application in the Extreme South region of Bahia, Brazil. In addition, this work aimed to analyze the viability of the production of briquettes (ecological firewood), using bagasse as a secondary raw material, residue from sugarcane processing, bringing through the commercialization of these produced briquettes a new income opportunity for the agro-industries of the Extreme South of Bahia, Brazil. In the first step, a systematic review was carried out by searching for scientific articles in the SciELO, Scopus and Web of Science databases, using the keywords "bioproduct" and "waste", in the years 2015 to March 2021. In the second step, an exploratory research, which aimed to provide information about its object and guide the formulation of hypotheses. Data collection was carried out through bibliographic research and direct market research with suppliers. To carry out the financial analysis of the enterprise and verification of Payback, Internal Rate of Return (IRR) and Net Present Value (NPV), an electronic spreadsheet was used. The results showed 93 agroindustrial residues derived from 48 agricultural products that generated more than 200 bioproducts, which demonstrates the potential of the theme for the creation of several bioproducts in the region, mainly with sugarcane residues. In the financial analysis, the sale of briquettes made from sugarcane bagasse presented a net profit, after income tax, of R$ 1,750,597.27 in 10 years, IRR of 73%, NPV of R$ 532,207.39, Payback of just 18 months and Minimum Attractiveness Rate above 18%, for the production of 54 tons/month of produced briquettes, reusing around 156 tons of bagasse/month. The implementation of this project indicates the possibility of a new source of income, in addition to bringing economic, social and environmental benefits to the region.
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ANNA RAQUEL NUNES SANCHEZ
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Agroecological cartography: theoretical-methodological conceptions and applied experience in the Discovery Coast, Bahia, Brazil
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Leader : THYANE VIANA DA CRUZ
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MEMBRES DE LA BANQUE :
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THYANE VIANA DA CRUZ
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FERNANDO RABELLO PAES DE ANDRADE
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FRANCELI DA SILVA
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LEONARDO THOMPSON DA SILVA
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Data: 23 juil. 2021
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There are some organic and agroecological agriculture initiatives in the Discovery Coast region, although data on their scope, social, environmental and economic aspects are scarce. This work developed an Agroecological Cartography, aiming to characterize and spatialize the agroecological production units certified in a participatory manner, on the Discovery Coast. First, an analysis was carried out on organic production in the State of Bahia, by Identity Territories, based on data from the National Register of Organic Producers, observing the spatio-temporal series from 2014 to 2020 and the types of certifying entities acting. It was found that organic production in Bahia grew a lot, having had strong adherence to the Social Control Mechanisms from 2015 and to the Participatory Guarantee Systems, from 2017. On the Discovery Coast, only three municipalities have certified organic producers: Belmonte, with two records associated with organic certification by business audit; and, Porto Seguro and Santa Cruz Cabrália, which concentrate agroecological production certified in a participatory manner. The second article consists of an integrative literature review on the term “Agroecological Cartography”, and a theoretical-methodological proposal for it, based on the literature on environmental planning. The integrative review indicated that there was still no theoretical-methodological proposition on terminology. The proposal interprets agroecological cartography as an instrument or tool for environmental planning, following methodological precepts associated with this process. Considering this, in the third article, the application of agroecological cartography on the Discovery Coast was carried out following the steps proposed: social articulation, definition of resources, delimitation of the unit of analysis, delimitation of the area of influence, data collection, preparation of maps and publication of maps. The results show that the areas visited add up to 21 hectares of certified agroecological area and that the properties analyzed are very close to important forest fragments of the Atlantic Forest, with numerous springs and water bodies in their surroundings; through the survey of social, ecological and economic indicators, several ecosystem services favored by agroecological production were verified, showing a high level of sustainability of these productive units. Cartographic production favored a better understanding of the relationship of the units of analysis with UC's, springs, water bodies, indigenous lands, rural settlements and other elements of the territory, which should collaborate with taking actions in regional environmental planning. It was concluded that regional socio-environmental development for the agroecological transition depends on long-term projects and even more accurate studies on local organic and agroecological production. Institutions that finance projects in the region should focus their efforts on Agroecological Rural Technical Assistance for family farming, as well as on scientific research aimed at monitoring the diversity of fauna, vegetation, as well as the climate and other elements associated with the sustainable agroecosystems of the Discovery Coast.
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ISABELA CORDEIRO GUEDES QUEIROGA
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Ethnobotanical and Floristic Survey of Oil Plants from the Atlantic Forest of Costa do Descobrimento.
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Leader : THYANE VIANA DA CRUZ
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MEMBRES DE LA BANQUE :
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THYANE VIANA DA CRUZ
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LUCIANO DA SILVA LIMA
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ANDRÉ BURIGO LEITE
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FABIANA ZANELATO BERTOLDE
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Data: 26 juil. 2021
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Ethnobotany is a science that seeks to rescue the relationship of affinity between human beings and the plants of a community. Another point in conjunction with ethnobotany is the collection of plants of interest, being carried out through floristic surveys. It proposes the use of floristic research through the collection of plant species present in the study site, in order to articulate plans for conservation, preservation and even sustainable extraction. Considering the environmental resources and social arrangements of Costa do Descobrimento, this proposal is made. Thus, the objective of the present work was to carry out an ethnobotanical survey of oil species from the Pataxó da Jaqueira Reserve located in the city of Porto Seguro - BA, as well as to carry out a floristic survey of these species in this same area. and also in the rural community of Fazenda Mutum / Sítio Esperança, located in the municipality of Eunápolis - BA, promoting the possibility of income generation and diversification for the populations involved, with rational use of the natural resources present in these areas. This work was divided into chapters. The first chapter presents a bibliometric study of ethnobotanical works in Brazil based on scientific articles published from 2010 to 2020, in order to provide a theoretical contribution to scientific production, which can assist in understanding new topics in this area, and research that corroborate with the conservation of ethno-knowledge. The methodology of this study consisted of surveying articles published in the Scopus and Web of Science databases. This work was divided into two sections, where Section I presents indicators and descriptive statistics, which summarize and provide an overview of the work. Section II aimed to categorize the articles extracted from the databases. Each article was analyzed, identified and categorized in: regions of the country; biomes where the study was conducted; Social groups involved in the studies; and Purpose of Ethnobotanical Research. In the analysis by categories, it was found that the Northeast region concentrates the largest number of works carried out. Together, they also demonstrated the lack of work in regions such as the Midwest and South of the country. The Atlantic Forest has been the most studied biome in recent years in Brazilian research. Medicinal plants have been shown to be at the center of ethnobotanical research in recent years. The second chapter deals with the ethnobotanical survey of oil species in the Pataxó da Jaqueira Reserve. To carry out this work, 12 interviews were conducted with members of the communities, using a form to collect data on the species of oilseed plants. These forms were previously prepared with open and closed questions, later transcribed and measured. The results showed a rich diversity of species and different uses. Among them is Amescla, widely used for resin extraction, in rituals and in the treatment of various diseases. The third chapter of this work aimed to carry out the Floristic Survey of the oleaginous species that occur in areas of Atlantic Forest of the Pataxó da Jaqueira Indigenous Reserve. Botanical collections were made in the area with the participation of Reserve residents. The collected vegetable material was dehydrated and pressed. The identification of specimens was carried out by means of specialized literature, by comparison with exsiccates from Herbariums of institutions such as UESC through consultations with specialists. Among the species collected and identified are: Árvore do Sangue Vermelho (Pterocarpus rohrii Vahl); Cupion (Guianense Vismia (Alblet) Choisy); Baba de Boi (Cordia); Piaçava (Attalea funifera Mart.); Licuri (Syagrus coronata Mart.); Canela de velho (Miconia albicans (Sw.) Triana); Amescla Mirim (Protium heptaphyllum (Aubl.) Marchand); Itapororoca -Mangue Branco (Clusia nemorosa G. W. Meyer). In this stage, a review of two important species in the region is also presented. A species relevant to the Pataxó da Jaqueira Reserve and a species to the Mutum Farm / Sítio Esperança, which has potential areas of Atlantic Forest, where botanical collections were carried out.
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DIEGO SANTOS DE ANDRADE
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Modeling the local wind effect on the hydrodynamics of the Buranhém River estuary and its coastal plume
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Leader : MARCOS EDUARDO CORDEIRO BERNARDES
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MEMBRES DE LA BANQUE :
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ANGELO TEIXEIRA LEMOS
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EDUARDO SIEGLE
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FABRICIO BERTON ZANCHI
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MARCOS EDUARDO CORDEIRO BERNARDES
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Data: 28 juil. 2021
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Understanding the interaction between physical forcings such as tides, river flow and winds is essential in studies of estuarine and coastal hydrodynamics. It is expected to contribute to possible measures of environmental management, since beaches are the main tourist and economic attractions of Porto Seguro and, at the same time, influenced by the multiple phenomena that occur in the hydrographic basin of the Buranhém river, its estuary and the marine area. The objective of this work was to model the effect of local wind and its interaction along with river discharge and tides on the hydrodynamics of the Buranhém river estuary (Porto Seguro, Bahia, northeastern Brazil) and its coastal plume. The numerical model Delft3D was chosen, which is justified by the fact that it was already calibrated and validated for the study area regarding the effect of tides and river discharges, in Rocha (2019). In the present study, the vertical discretization with 10 Z layers was adopted, in order to try to model the vertical salt stratification, identified in the field especially under neap tides. For the calibration and validation steps, real wind data were incorporated. A quantitative evaluation of the results was adopted, using the statistical parameters Skill and RMSE. To understand the possible effects of wind and plume reproduction, a freshwater flow of up to 75 m3/s was considered, along with the following conditions: no wind, NE, S and SE winds, and intensity of 10 m/s for these three scenarios. In addition to the locations used in the calibration and validation (P1 - Quinta do Porto; P2 - Navy and P3 - Marina Buranhem), other points were incorporated in the adjacent coastal region, such as Recife de Fora (P6) and beaches where bathing analyzes are performed, such as Mundai (P4), Taperapua (P5) and Mucuge (P7). The results were exclusively representative of surface conditions, since modeling in all vertical layers was not possible. For the calibration and validation periods, the local wind effect was of secondary importance in relation to tides and river discharge on the hydrodynamics of the Buranhém river estuary. On the plume simulations, under idealized conditions, results suggest that the wind can influence the estuarine hydrodynamics. The geormorphology and topobathymetry of the region were relevant factors in the exchange of water between the hydrographic basin, the estuary and the adjacent marine region. An example of this is the presence of beachrock/sandstone at the mouth of the studied system, which reinforces the importance of a reliable representation of the characteristics of the environment for an adequate modeling. In the adjacent coastal zone, the impact of the local wind is evident when comparing the results for the considered scenarios. Under NE wind conditions, the plume is expected to reach coastal regions south of the mouth of the Buranhém River, such as Mucuge Beach (P7). On the other hand, under S and SE wind conditions, the plume tends to move to northwards, without being able to directly reach Recife de Fora (P6) in the simulated conditions. The plume moved very close to the coastline, where beaches such as Mundai (P4) and Taperapua (P5) are located. Longitudinal and transverse velocity components in the study area reached up to 0.6m/s. In the adjacent coastal environment, the influence of tides on current modulation was evident. Under extreme events of flow and wind, the Buranhem river plume can affect the estuarine hydrodynamics, in addition to the coastal one, including stretches of the coastline where important tourist attractions in the municipality are located.
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NILSON MARQUES SILVA JUNIOR
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Evaluation of the antioxidant and photoprotective potential of three plant species collected in the Atlantic Forest of Southern Bahia
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Leader : LUCIANO DA SILVA LIMA
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MEMBRES DE LA BANQUE :
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ALLISON GONÇALVES SILVA
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BRUNA REHEM
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SERGIO ANUNCIAÇÃO ROCHA
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Data: 28 juil. 2021
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Ultraviolet radiation has different wavelengths and can have different actions on organisms. Among the actions caused by this exposure are skin cancer, melasma and premature aging. To mitigate the harm caused by the incidence of solar radiation, there are substances with a photoprotective action, capable of reducing these impacts. Thus, several studies have evaluated the use of plants, with possible photoprotective activity. This incidence of sunlight, causes the production of oxidative compounds harmful to tissues, triggering problems of inflammatory disorder, which can lead to and / or aggravate various diseases. The plants, present diverse bioactive photoprotective compounds, with capacity to reduce the harmful impacts caused by the radiation, among them the phenolic ones. To evaluate this activity, phenolic compounds were extracted from three plant species from the Atlantic Forest in southern Bahia: Copaifera lucens Dwyer, Schnella angulosa (Vogel) Wunderlin,, Miconia albicans (S.W) Triana. Using centroid simplex planning, it aimed to identify the best solvent mixture (methanol, ethyl acetate and chloroform) in the extraction of phenolic compounds and to evaluate the photoprotective activity in vitro by ultraviolet spectrophotometry. The tests were performed in triplicate. Through the extraction carried out from the planning, it can be seen that in the Copaífera lucens Duyer, the ternary mixture of methanol, ethyl acetate and chloroform showed greater extraction of phenolics and in Miconia albicans (SW) Triana the binary mixture of methanol and acetate ethyl, was the one that best extracted phenolic compounds.
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13
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THAISE ALVES DOS SANTOS
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Influence of dumps and landfills on the contamination of abiotic natural compartments by potentially toxic metals
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Leader : NADSON RESSYE SIMOES DA SILVA
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MEMBRES DE LA BANQUE :
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ALLISON GONÇALVES SILVA
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DANILO JUNQUEIRA LEÃO
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MARCOS DE ALMEIDA BEZERRA
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NADSON RESSYE SIMOES DA SILVA
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Data: 30 juil. 2021
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The generation of solid urban waste (MSW) and the contamination of natural resources by toxic metals from these wastes have increased and have become a major concern over the years. The problem of MSW management is worldwide, as few countries have effective waste treatment and because waste can cause various environmental damage, including globally, when directed to unprepared units such as controlled landfills and dumps. Decomposing garbage releases various contaminants, including toxic metals, which usually reach the soil at first, but can migrate to other natural compartments and start to interfere with biochemical and metabolic processes in ecosystems. The resolution of the problems caused by garbage depends on the joint action of several factors, among which the production of quality scientific knowledge stands out to support decision making and the implementation of management plans, such as those established in the National Waste Policy Brazilian Solids (PNRS). Despite the PNRS having defined that Brazilian dumps should be extinguished in the short term, many municipalities still use this type of street as the final destination for their waste, as is the case in the city of Porto Seguro, Bahia. The Porto Seguro dump is located in a Permanent Preservation Area (APP) located in the Buranhém River basin, close to residences and on top of a land that houses important underground water sources, thus representing a potential source of contamination for natural resources and community in the region. Thus, this study was divided into two parts: in the first, a scientometric analysis was carried out to evaluate the production of scientific works that investigated the contamination of water, soil and / or sediment by toxic metals resulting from the decomposition of municipal solid waste in landfills and landfills, aiming to identify whether the studies had a diagnostic or mitigating character and justify the importance of both; in addition, the evolution of Brazilian scientific production on the topic was also observed after the implementation of the PNRS. In the second section, a diagnostic study will be carried out in the area near the Porto Seguro (BA) landfill to verify the hypothesis that the presence of the irregular garbage deposit contributes to the increase in the concentrations of toxic metals in the water and sediments of the Buranhém river and in the soil of the areas adjacent to the dump, the concentrations of toxic metals chromium, nickel, copper, zinc, cadmium and lead in water, soil and sediment will be evaluated, and water quality parameters, regulated by CONAMA Resolution 357/2005.
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14
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JILTON DE SANT'ANA
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Environmental taxation and the public budget in the visitation "fee" of Recife de Fora Municipal Park in Porto Seguro/BA
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Leader : ROBERTO MUHAJIR RAHNEMAY RABBANI
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MEMBRES DE LA BANQUE :
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ROBERTO MUHAJIR RAHNEMAY RABBANI
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CATARINA DA ROCHA MARCOLIN
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PATRICIA AURELIA DEL NERO
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JOSÉ MANUEL IGLESIAS CASAIS
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Data: 25 oct. 2021
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The picture of environmental degradation resulting from anthropic activities, especially since the Industrial Revolution, has been motivating scientific studies that point to the need to adopt urgent measures in order to mitigate such impacts, in order to keep them within the limits of resilience of ecosystems. One of these measures, adopted by some National States, responsible for the protection of the environment, has been the institution of environmental taxation, based on the polluter-pays principle, which is a basic principle for the institution of policies aimed at preventing and preventing damage. in order to dissuade the producer from undertaking, or motivating him to reduce, an activity that causes socio-environmental damage, and also aimed at redistributing the costs of damage to its causes, thus avoiding the unfair imposition of these costs on society and nature. In this context, the present research analyzes the fundamentals of environmental taxation, focusing on taxation in its extrafiscal essence, having as its main function the incentive to change behaviors by polluting agents. It analyzes more strictly the fundamentals and application of environmental taxation in Brazil and its relationship with the public budget, with emphasis on the finality of the environmental tax and the application of the collected revenue. The research proposes to make a case study, verifying: a) the nature, legality, legitimacy and purpose of the “fee” for visiting the Recife de Fora Municipal Natural Park (PNMRF), located in the municipality of Porto Seguro/BA, detailing its structural elements and identifying the application of the collected revenue, based on the analysis of the municipal public planning and budgeting instruments; b) through the results achieved, observe whether the tax species established in the PNMRF fits within the parameters of environmental taxation and suggest tools for improving the fiscal, budgetary and financial management of the Park.
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15
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MARCONI VIEIRA DA SILVA
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Proposal of intertown arrangements for the integrated management of urban solid waste in the towns of Costa do Descobrimento, Southern Bahia, Brazil
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Leader : ELFANY REIS DO NASCIMENTO LOPES
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MEMBRES DE LA BANQUE :
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ELFANY REIS DO NASCIMENTO LOPES
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ALLISON GONÇALVES SILVA
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JAILSON SANTOS DE NOVAIS
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Data: 5 nov. 2021
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Despite the enactment of the National Waste Policy, many towns face difficulties in complying with it, in order to perpetuate the negative impacts caused by the inadequate management of urban solid waste. These difficulties are enhanced by technical, financial, managerial and political issues, but which can be minimized or circumvented through the formation of an intertown consortium. In this context, this research aimed to develop an intertown arrangement system for integrated waste management, aiming to support the implementation of an intertown consortium between the eight towns of Costa do Descobrimento, Southern Bahia, Brazil. Quali-quantitative assessment of waste generated in urban areas was carried out; on-site assessment of final disposal sites using the Waste Landfill Quality Index technique; definition of per capita waste generation; population projection estimate over a twenty-year horizon through the use of different mathematical models, and the spatial analysis of the territory to prioritize the criteria for defining the arrangements. The results showed that 75% of the towns in the studied region do not have initiatives based on the hierarchy of prevention, reduction, reuse, recycling, treatment, or environmentally adequate disposal of urban solid waste, only collection and removal from urbanized areas, and 25 % of them started in 2021 the disposal of waste collected in landfills. The territorial analysis resulted in the proposal of two optimized arrangements, both with a single waste final disposal unit and another 26 waste management units, enabling relevant gains in scale and technical sustainability, economic and operational. Thus, the results of the characterization of the waste generated in the towns and the identification of problems to be overcome, added to the analysis of regional characteristics, led to the proposition of the best feasible arrangement for consortium of the towns involved.
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