Submitted by Celso Magalhaes (celsomagalhaes@ufrrj.br) on 2017-09-18T13:59:23Z No. of bitstreams: 1 2017 - Verona Borges Ferreira.pdf: 1252759 bytes, checksum: 291a4f24b8d135e118f8e80afed31cfd (MD5) / Made available in DSpace on 2017-09-18T13:59:23Z (GMT). No. of bitstreams: 1 2017 - Verona Borges Ferreira.pdf: 1252759 bytes, checksum: 291a4f24b8d135e118f8e80afed31cfd (MD5) Previous issue date: 2017-02-21 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior - CAPES / Brazil is among the world?s largest fish producers, and the state of Rio de Janeiro is one of the main responsible for this production. In addition, there is a substantial increase in fish consumption which is associated to its functional and nutritional properties, such as its lipid profile. Today the hydrographic bays of Rio de Janeiro suffer the impacts of excessive use of toxic substances, such as Organoclorine Pesticides (OCPs), which has a characteristic lipophilicity and tend to accumulate in adipose tissue of organisms. As a consequence, this may pose risk to consumers of fish from polluted environments. The human exposure to these pollutants is highly related to health problems, such as cancer, immunity diseases and endocrine disruptions. Thus, the present study aims at investigating the occurence of OCPs in sardine (Sardinella brasiliensis), whitemouth croaker (Micropogonias furnieri) and mullet (Mugil liza) from Guanabara Bay, located in the state of Rio de Janeiro, and also to estimate the OCPs intake through fish consumption. The analyses were carried out at the Laboratory of de Radioisotopes Eduardo Penna Franca at UFRJ. The analitical steps included sohxlet extration, purification and subsequent injection in a Gas Chromatography system coupled to a Mass Spectrometer on Negative Chemical Ionization mode (GC/MS/ENCI) to determine the OCPs concentrations. The estimative of the toxic compound intake was performed based on the obtained data for OCP in fish samples, the fish intake of the brazilian population, andavailable data of Acceptable Daily Intake (ADI) for each investigated pesticide. All samples had at least one OCP. Metoxichlor had the highest concentration for the three studied species. There was significant difference between the species concerning the concentration of o,p?-DDD and o,p?-DDT. These DDT metabolites were found at higher concentration in sardine samples in comparison to croaker and mullet ones. However, there was no significant difference between the species in relation to ?OCP. It was evidenced the greater proportion of DDE among the DDT metabolites which suggests the past use of this pesticide. Results for ?-HCH isomer indicate the contamination by the use of Lindane instead of the technical HCH mixture. There was no significant difference among the contamination of the three studied species in regard to sample's acquisition locations, showing that the locality does not influence the content of OCPs in fish, probably due the species behavior which travel big distances along the brazilian coast throughout their life cycle. No sample exceeded the maximum residue limit stipulated for OCPs at both national or international level. Based on the estimated intake data no species exceeded the toxicological safety parameter. Thus, the three studied fish species can be considered safe for human consumptiom in regard to OCPs exposure / O Brasil est? entre os maiores produtores mundiais de pescado, sendo o estado do Rio de Janeiro um dos principais respons?veis por essa produ??o. Al?m disso, existe um aumento substancial do consumo de peixes, que est? associado ? suas propriedades nutricionais e funcionais, como o seu excelente perfil lip?dico. As bacias hidrogr?ficas do Rio de Janeiro sofrem hoje os impactos do uso excessivo de subst?ncias t?xicas, como os Pesticidas Organoclorados (OCPs), que devido ? caracter?stica lipof?lica, tendem a se acumular no tecido adiposo de organismos aqu?ticos, o que pode representar um risco a sa?de de quem consome pescado oriundos de ambientes contaminados. Por sua vez, a exposi??o humana a estes poluentes est? altamente relacionada a problemas de sa?de, tais como o surgimento de c?ncer, problemas de imunidade e interfer?ncias end?crinas. Desta forma, o presente estudo tem por objetivo investigar a ocorr?ncia de OCPs em amostras de sardinha-verdadeira (Sardinella brasiliensis), corvina (Micropogonias furnieri) e tainha (Mugil liza) capturados na Ba?a de Guanabara, localizada no estado do Rio de Janeiro, assim como estimar a ingest?o de OCPs por meio do consumo de pescado. As an?lises foram realizadas no Laborat?rio de Radiois?topos Eduardo Penna Franca da UFRJ, atrav?s de sua extra??o, purifica??o e posterior inje??o em um sistema de Cromatografia Gasosa acoplada a um Espectr?metro de Massa por ioniza??o qu?mica negativa (CG/EM/NCI) para determinar as concentra??es de OCPs. Para estimar a ingest?o desses compostos t?xicos foram utilizados os dados de contamina??o das amostras, consumo do pescado pela popula??o brasileira, assim como os dados de Ingest?o Di?ria Aceit?vel (IDA) para cada contaminante. Todas as amostras investigadas estavam contaminadas com pelo menos um OCP, o Metoxicloro foi o pesticida encontrado em maior concentra??o nas tr?s esp?cies estudadas e houve diferen?a significativa entre as esp?cies em rela??o a concentra??o de o,p?-DDD e o,p?-DDT, estes metab?litos do DDT foram encontrados em maior concentra??o nas amostras de sardinha-verdadeira em rela??o as amostras de corvina e tainha, entretanto n?o houve diferen?a significativa entre as esp?cies em rela??o ao ?OCP. Ficou evidenciada a maior propor??o do DDE entre os metab?litos de DDT, n?o sugerindo o uso recente deste pesticida, e do is?mero ?-HCH entre os demais is?meros de HCH, evidenciando a contamina??o pelo uso de Lindano em rela??o ao HCH t?cnico. N?o houve diferen?a significativa entre a contamina??o das tr?s esp?cies com base nos diferentes pontos de coleta, demonstrando que a localidade de aquisi??o do pescado n?o influenciou no teor dessas subst?ncias, uma vez que estas esp?cies ao longo de seu ciclo de vida percorrem grandes dist?ncias pela costa brasileira. Nenhuma amostra excedeu os limites m?ximos de res?duo estipulados para esses contaminantes tanto a n?vel de regulamenta??o nacional quanto internacional. Com base nos dados de estimativa de ingest?o nenhuma esp?cie excedeu o par?metro toxicol?gico de seguran?a, sendo assim, as tr?s esp?cies estudadas s?o consideradas seguras para o consumo humano em rela??o a exposi??o a OCPs

Submitted by Jorge Silva (jorgelmsilva@ufrrj.br) on 2018-05-03T18:11:04Z No. of bitstreams: 1 2017 - Ana Paula Capello Rezende.pdf: 3275323 bytes, checksum: 8f2fb2ab6c119f7f2989532bcf35a7bb (MD5) / Made available in DSpace on 2018-05-03T18:11:04Z (GMT). No. of bitstreams: 1 2017 - Ana Paula Capello Rezende.pdf: 3275323 bytes, checksum: 8f2fb2ab6c119f7f2989532bcf35a7bb (MD5) Previous issue date: 2017-07-11 / This works purposed to contribute for the planning of the Sustainable Development Project ?PDS Unidos Venceremos? located at the Porto Seguro city, Bahia. To that end the territorial and environmental characterization of the Santa Maria II Farm and the environmental perception analysis of families living in the area was aimed. Also, were realized awareness activities about the environmental conservation needs and use possibilities of natural resources from the settlement with attention to the Brazilian Forest Code. A methodological proposal for collective construction for the ?PDS Unidos Venceremos? environmental planning was developed. Field data survey, maps, workshops and field days meetings with the families were done. In addition, a proposal of topics to the participative environmental planning of the PDS was elaborated. Through the analyzed period, from 2013 to 2016, changes happened in the perception and practice of families concerning the use of fire, agrochemicals and chemical fertilizers. The use of participatory methodologies contributed to the families? incorporation of agroecological practices. The environmental planning is fundamental to the establishment of a rural settlement and the steps to the participatory construction must be organized according to each reality. The use of the watershed concept contributed to the construction of a holistic and integrated perspective of the territory to be planned. / O objetivo deste trabalho foi contribuir para o planejamento ambiental e efetiva??o territorial do Projeto de Desenvolvimento Sustent?vel Unidos Venceremos, localizado no munic?pio de Porto Seguro, Bahia. Para tanto, buscou-se a caracteriza??o territorial e ambiental da Fazenda Santa Maria II e a an?lise da percep??o ambiental das fam?lias que viviam na ?rea. Tamb?m foram realizadas a??es para a sensibiliza??o das fam?lias quanto ? necessidade de conserva??o e possibilidades de uso dos recursos naturais do assentamento com ?nfase em APP, RL e uso da ?gua. Bem como a estrutura??o de uma proposta metodol?gica para constru??o coletiva do planejamento ambiental do PDS Unidos Venceremos. Foram realizados levantamentos de dados de campo, elabora??o de mapas, oficinas e dias de campo com as fam?lias acampadas, al?m da estrutura??o de uma proposta de temas para o planejamento ambiental participativo do PDS. Ao longo do per?odo analisado, 2013 a 2016, verificaram-se avan?os na percep??o e na pr?tica das fam?lias quanto ao uso do fogo, agrot?xicos e fertilizantes qu?micos. As metodologias participativas utilizadas contribu?ram para a incorpora??o pelas fam?lias de pr?ticas agroecol?gicas. O planejamento ambiental ? fundamental para a efetiva??o de um assentamento rural. Os passos para uma constru??o participativa devem ser organizados de acordo com cada realidade. A utiliza??o do conceito de bacia hidrogr?fica contribuiu para a constru??o de uma vis?o hol?stica e integrada do territ?rio a ser planejado.

Submitted by Jorge Silva (jorgelmsilva@ufrrj.br) on 2018-05-08T20:07:42Z No. of bitstreams: 1 2015 - Gabriela Macedo Greg?rio.pdf: 62181251 bytes, checksum: f886efc634d97be9d091ce2dbb649f38 (MD5) / Made available in DSpace on 2018-05-08T20:07:42Z (GMT). No. of bitstreams: 1 2015 - Gabriela Macedo Greg?rio.pdf: 62181251 bytes, checksum: f886efc634d97be9d091ce2dbb649f38 (MD5) Previous issue date: 2015-06-30 / CAPES / In 2012 the Porto Digital (Digital Port or Digital Harbour), defined as Arranjo Produtivo Local de Tecnologia da Informa??o e Comunica??o (a Local Production Arrangement for Information Technology and Communication) located in Bairro do Recife/PE, received the first geographic indication in the service sector, a tag often conceded to food products. However, it is important to know if this process shall extend its positive effects beyond producers and providers, adding value to the material and immaterial cultural patrimony of the region. Considering that the Porto Digital is a relevant object to advance the discussions on the potentials, limitations and challenges to geographical indications as a tool to territorial development, this work will combine description and analysis of the particularities of the only geographical indication tag in the service sector in Brazil and the attempt to turn it into an instrument to understand geographic indications in a broader and more generalized manner, drawing criteria and hypotheses which could be helpful for future studies in the area. Therefore, this research will (a) analyze the regulatory framework protecting the GIs, the intervening institutions and their roles; (b) reconstruct the process of transformation of Bairro do Recife, from an old business harbor to a modern digital port; (c) understand the association between the process of urban transformation and the process of valuing the cultural patrimony of the territory, crowned by the acknowledgement of the geographic name ? the so-called Porto Digital; (d) characterize the constitutive and organizational aspects of the pre-acknowledgement of the Porto Digital?s GI: the actors involved and their justifications, the composition of the members of the GI, the delimitation of the area, the regulation of the use and the structure of control; (e) point out the similarities and singularities of the case with studies on Brazilian geographical indications. / Em 2012 o Porto Digital, definido como Arranjo Produtivo Local de Tecnologia da Informa??o e Comunica??o localizado no Bairro do Recife/PE, recebeu a concess?o in?dita de indica??o geogr?fica para o setor de servi?o, tradicionalmente concedida aos produtos agroalimentares. Contudo, importa saber se esse processo conduzir? ao transbordamento das positividades para al?m dos produtores e prestadores de servi?os e ? valoriza??o do patrim?nio cultural ? material e imaterial - da regi?o. Considerando que o caso do Porto Digital seja um objeto relevante para fazer avan?ar as discuss?es sobre as potencialidades, limita??es e desafios das indica??es geogr?ficas como instrumento de desenvolvimento territorial, esse trabalho buscar? combinar o esfor?o de descri??o e an?lise das particularidades do ?nico caso de indica??o geogr?fica de servi?os no Brasil e a tentativa de instrumentaliz?-lo para a compreens?o das indica??es geogr?ficas de modo mais amplo e generalizado a partir da elabora??o de crit?rios de an?lise e hip?teses para estudos futuros. Sendo assim, esta pesquisa dever? (a) analisar o quadro regulat?rio de prote??o ?s IGs, das institui??es intervenientes e seus pap?is; (b) reconstruir o processo de transforma??o do bairro do Recife, de antigo porto comercial ao moderno porto digital; (c) compreender a associa??o entre o processo de transforma??o urbana e o processo de valoriza??o do patrim?nio cultural do territ?rio, coroado pelo reconhecimento do nome geogr?fico ? o chamado Porto Digital (d) caracterizar os aspectos constitutivos e organizacionais da fase de pr?-reconhecimento da IG do Porto Digital: os atores envolvidos e suas justificativas, a composi??o dos membros da IG, a delimita??o da ?rea, o regulamento de uso e a estrutura de controle; (e) apontar as semelhan?as e singularidades do caso com estudos sobre as indica??es geogr?ficas brasileiras.

Submitted by Jorge Silva (jorgelmsilva@ufrrj.br) on 2018-08-30T18:34:12Z No. of bitstreams: 1 2016 - Vagner Rangel Moreira.pdf: 5210463 bytes, checksum: c7e8045686b4886d34c81a633e05048c (MD5) / Made available in DSpace on 2018-08-30T18:34:12Z (GMT). No. of bitstreams: 1 2016 - Vagner Rangel Moreira.pdf: 5210463 bytes, checksum: c7e8045686b4886d34c81a633e05048c (MD5) Previous issue date: 2016-12-07 / CNPq / The protective character against possible counterfeits or imitations, and the aggregation of value to a product are the main purposes of the geographical indication (GI). Moreover, the benefits attributed to its implementation may surpass the commercial level of the producer and enhance the development of the territory, and as well to increase receptive tourism and enhance the cultural heritage. This thesis aims to analyze the effectiveness of the geographical indication as a catalyst instrument for sustainable rural development of the territory, from the perspective of the social actors involved. The method used for the research development was the study of multiple cases, with an exploratory and descriptive purpose in two distinct areas of cheese production: the municipality of Serro, in Minas Gerais State, and in Celorico Beira, Portugal, where the Serra da Estrela cheese is produced. In the period from December 12th, 2015 to April 30th, 2016, in Portugal, and from 22th to 29th, 2016, in Serro - Minas Gerais, there were many research activities. Among them, non-participant observations, photographic records, informal conversations, application of semi-structured interviews with the actors involved in the proposed thematic, technical visits to cheese production units and cultural museums, festivals and fairs related to cheese, all within the geographical boundary of the surveyed geographical indications. The information of applied interviews was analyzed using a content analysis group of techniques, under the perspective of Bardin (2004). The results revealed that in both cases studied, the existence per si of a geographical indication is not capable of promoting sustainable development of the territory, since other factors such as the role of producers, social management in decision making, and a consistent social capital are key to the success of GIs in adding value to the certified product and improving the quality of life for the producers. The Protected Designation of Origin Serra da Estrela cheese, although well known by its quality and tradition, proved to be ineffective in promoting sustainable rural development in the Portuguese territory investigated. The analysis of the effectiveness of the geographical indication of the cheese from Minas studied was not feasible, since the correspondent seal has not yet been implemented. Then, it is responsibility of all social actors presented in this research to transform the current panorama and to make their respective geographical indications true catalyst tools in the sustainable development of their territories. / O car?ter protetivo contra poss?veis falsifica??es ou imita??es e a agrega??o de valor ao produto s?o as principais finalidades da indica??o geogr?fica (IG). Ademais, os benef?cios atribu?dos ? sua implementa??o podem tanto transpassar as porteiras do produtor e potencializar o desenvolvimento do territ?rio, quanto incrementar o turismo receptivo e a valoriza??o do patrim?nio cultural. Este trabalho de tese tem como objetivo analisar a efetividade da indica??o geogr?fica como um instrumento catalisador do desenvolvimento rural sustent?vel do territ?rio, sob a ?tica dos atores sociais envolvidos. O m?todo utilizado para o desenvolvimento da pesquisa foi o estudo de casos m?ltiplos, com o prop?sito explorat?rio e descritivo, em dois territ?rios distintos de produ??o queijeira: o munic?pio do Serro, produtor do Queijo do Serro, em Minas Gerais, e o concelho de Celorico da Beira, onde se produz o Queijo da Serra da Estrela, em Portugal. No per?odo de 12 de dezembro de 2015 a 30 de abril de 2016, em Portugal, e de 22 a 29 de maio de 2016, em Serro ? Minas Gerais, a pesquisa foi desenvolvida com v?rias atividades. Entre elas, observa??es n?o participantes, registros fotogr?ficos, conversas informais, aplicadas entrevistas semiestruturadas com os atores envolvidos na tem?tica proposta, e feitas visitas t?cnicas a unidades produtoras do queijo e culturais a museus, festas e feiras relacionadas ao queijo dentro do limite geogr?fico das indica??es geogr?ficas pesquisadas. As informa??es das entrevistas aplicadas foram analisadas por meio do conjunto de t?cnicas da an?lise de conte?do, sob a perspectiva de Bardin (2004). Os resultados revelaram que, em ambos os casos estudados, a exist?ncia por si s? de uma indica??o geogr?fica ? incapaz de promover o desenvolvimento sustent?vel do territ?rio, pois outros fatores, tais como, o protagonismo dos produtores, a gest?o social nas tomadas de decis?es e um capital social consistente s?o fundamentais para o sucesso da IG, ? agrega??o de valor ao produto certificado e ? melhoria da qualidade de vida dos produtores. A Denomina??o de Origem Protegida Queijo Serra da Estrela, apesar de sua reconhecida qualidade e da tradi??o que j? possu?a, mostrou-se pouco efetiva na promo??o do desenvolvimento rural sustent?vel no territ?rio portugu?s investigado. J? a an?lise da efetividade da indica??o geogr?fica do queijo mineiro estudado como um instrumento catalizador do desenvolvimento territorial sustent?vel n?o foi vi?vel pelo fato de o selo correspondente ainda n?o ter sido implementado. Cabe, ent?o, a todos os atores sociais apresentados no decorrer desta pesquisa transformar o panorama atual e tornar as suas respectivas indica??es geogr?ficas verdadeiras ferramentas catalisadoras do desenvolvimento sustent?vel em seus territ?rios.

Submitted by Jorge Silva (jorgelmsilva@ufrrj.br) on 2018-09-13T21:27:19Z No. of bitstreams: 1 2016 - Tainara Batista Ramos.pdf: 1565913 bytes, checksum: 3ff08d3b536cea3cd3427c383c66e934 (MD5) / Made available in DSpace on 2018-09-13T21:27:19Z (GMT). No. of bitstreams: 1 2016 - Tainara Batista Ramos.pdf: 1565913 bytes, checksum: 3ff08d3b536cea3cd3427c383c66e934 (MD5) Previous issue date: 2016-12-13 / CAPES / Development workof Phonological Awareness is being neglected. Then gaps are left after all the systematic work of phoneme-grapheme relationship is becoming less effective.It is clear, now, that many students arrive at the final years of elementary school with many difficulties in writing, presenting several spelling deviations, including the exchange between graphemes representing phonemes that are distinguished by sonority. Which makes them unable to make competent use of writing, including in their social practices.Thus, the present study of educational intervention, interpretative, aimed to develop educational activities for five students of 8th grade of elementary school, to encourage reflection on the fonograf?micas relations. After conducting a diagnostic assessment, elaborated a set of activities that were divided into three blocks: Conceptualizing, exercising and evaluating. Through questions, the student is taken to watch six pairs of words and the to perceive that the distinction between them is in the vibration or not of the vocal folds.The research was applied to five students in a class of 8th grade of elementary school in a public school, located in the municipality in the state of Rio de Janeiro, in which the teacher-researcher is a professor ruler of Portuguese Language and Writing. The analysis of the responses found that students have significant gaps in the development of phonological awareness and therefore difficult to represent spelled certain words.It is proposed as a possible solution to the identified difficulties, the development work of phonological awareness start from kindergarten to both, it is known that education professionals need to know how to do this.In addition, research is needed to pursue strategic effective for the development of phonological awareness of students who no longer are in the literacy phase. / O trabalho de desenvolvimento da Consci?ncia Fonol?gica vem sendo negligenciado. Consequentemente, lacunas est?o sendo deixadas, e o trabalho sistem?tico da rela??o fonema-grafema est? cada vez menos eficaz.Percebe-se, atualmente, que muitos alunos chegam aos anos finais do Ensino Fundamental II com in?meras dificuldades em escrita, apresentando diversos desvios ortogr?ficos, entre os quais se destaca a troca entre grafemas que representam fonemas que se distinguem pela sonoridade. Esse fatodificulta o uso competente da escrita, inclusive em suas pr?ticas sociais.Sendo assim, a presente pesquisa de interven??o educacional, de cunho interpretativo, teve como objetivo elaborar atividades did?ticas para cinco alunos de 8? ano do Ensino Fundamental, que privilegiam a reflex?o sobre as rela??es fonograf?micas. Ap?s a realiza??o de uma avalia??o diagn?stica, elaborou-se um conjunto de atividades que foram divididas em tr?s blocos, a saber: (i) conceituando; (ii)exercitando; e (iii)avaliando. Por meio das quest?es, os alunos foram levados a observar seis pares de palavrase a perceber que a distin??o entre eles est? na vibra??o ou n?o das pregas vocais.A pesquisa foi aplicada para cinco alunos de uma turma de 8? ano do Ensino Fundamental de uma escola p?blica, localizada em munic?pio do interior do Estado do Rio de Janeiro, na qual a professora-pesquisadora ? professora regente de L?ngua Portuguesa e Reda??o. A an?lise das respostas dadas constatou que os alunos t?m hiatos relevantes no desenvolvimento da consci?ncia fonol?gica e, consequentemente, dificuldades para representar ortograficamente determinadas palavras. Prop?e-se, como poss?vel solu??o para a dificuldade identificada, que o trabalho de desenvolvimento da consci?ncia fonol?gica inicie desde a Educa??o Infantil.Para tanto, sabe-se que os profissionais da Educa??o precisam ter conhecimento de como fazer isso.Al?m disso, ? preciso pesquisar para buscar estrat?gias eficazes para o desenvolvimento da Consci?ncia Fonol?gica de alunos que n?o mais est?o na fase de alfabetiza??o.

Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2017-12-02T00:20:28Z No. of bitstreams: 1 BrunaLorenaValentimDaHora_DISSERT.pdf: 1790591 bytes, checksum: 76fa3ebe8069ede8c7c9682533bb1cf3 (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2017-12-05T23:51:48Z (GMT) No. of bitstreams: 1 BrunaLorenaValentimDaHora_DISSERT.pdf: 1790591 bytes, checksum: 76fa3ebe8069ede8c7c9682533bb1cf3 (MD5) / Made available in DSpace on 2017-12-05T23:51:48Z (GMT). No. of bitstreams: 1 BrunaLorenaValentimDaHora_DISSERT.pdf: 1790591 bytes, checksum: 76fa3ebe8069ede8c7c9682533bb1cf3 (MD5) Previous issue date: 2017-08-14 / A forma??o para cidadania e a tomada de decis?o respons?vel no meio social s?o objetivos importantes para o processo educacional. A abordagem CTS e o ensino investigativo mostram-se essenciais para o desenvolvimento de habilidades e valores necess?rios para o alcance de objetivos t?o nobres e, por isso, se destacam como um caminho para o letramento cient?fico. A partir das hip?teses: (i) Os docentes apresentam dificuldades em elaborar propostas de ensino dentro da abordagem CTS por n?o compreenderem os pressupostos te?ricos, dificultando a incorpora??o dessa abordagem na pr?tica pedag?gica; (ii) O modelo de curso de forma??o oferecido aos professores n?o promove, significativamente, a apropria??o e autonomia necess?ria para incorpora??o da pr?tica da abordagem CTS no planejamento curricular; e (iii) O uso associado de abordagem CTS e investigativa ? eficaz para promover o letramento cient?fico dos alunos. Objetivou-se avaliar como um grupo de professores de Biologia em Natal-RN compreende e aplica a abordagem CTS e investigativa no sentido de favorecer o letramento cient?fico dos estudantes do ensino m?dio. E propor como produto educacional, uma sequ?ncia investigativa com enfoque CTS para o ensino de ecologia com o intuito de averiguar a potencialidade do ensino CTS e investigativo para o letramento cient?fico e contribuir com a forma??o de professores para potencializar essa pr?tica. Os dados foram constru?dos a partir de instrumentos: question?rio explorat?rio e entrevista e sequ?ncia de ensino investigativa na perspectiva CTS sobre conte?dos de ecologia. Este ?ltimo foi elaborado e aplicado para alunos da primeira s?rie de ensino m?dio. Na an?lise dos dados h? ind?cios de que muitos professores apresentam uma vis?o limitada, pra n?o dizer, err?nea acerca do letramento cient?fico. Percebeu-se, que os docentes n?o compreendem, totalmente, o sentido desta terminologia, embora, apontem conhecer elementos intr?nsecos ? mesma. Complementando a resposta, foi evidenciado que o enfoque CTS ? entendido pela maior parte dos docentes, por uma vis?o estreitada na aplicabilidade do conhecimento cient?fico e, na intera??o entre C-T-S. Ademais, evidenciou-se que os cursos de forma??o continuada ofertados pouco t?m contribuindo para supera??o das ideias supracitadas, tornando-as obst?culos que dificultam a efetiva implementa??o da abordagem CTS e o desenvolvimento do letramento cient?fico dos discentes. Os dados obtidos a partir da aplica??o da sequ?ncia de ensino revelaram a importante contribui??o das abordagens CTS e investigativa no desenvolvimento de compet?ncias e habilidades essenciais para o letramento cient?fico. Observou-se nas respostas dos alunos, a aquisi??o de voc?bulos cient?ficos para uso social, atitudes que envolvem a tomada de decis?o respons?vel abrangente ?s problem?ticas ambientais, e desenvolvimento de pensamento cr?tico pelos alunos. / The formation for citizenship and a responsible decision-making in a social environment is not important goals for the educational process. The CTS approach and an investigative teaching are essential for the development of skills and values needed to achieve such noble goals to stand out in a scientific literacy. From the hypotheses: (i) teachers have shown difficulties in elaborating teaching proposals in this CTS approach for not understanding the theoretical assumptions, making difficult to incorporate the approach in pedagogical practice; (ii) The training model course offered to the teachers does not promote the appropriation and autonomy needed for the implementation of the CTS approach in a curricular planning; and (iii) The associated use of the CTS approach is efficient to promote the literacy in scientific text to students. The main goal was to evaluate how a group of Biology teachers in Natal-RN understands and applies the CTS approach in favor of the scientific literacy with high school students. In addition, propose as educational product, an investigative sequence with a CTS approach focused to ecology teaching in order to ascertain the potential of CTS teaching and research for the scientific literacy and to contribute with teachers training to potentialize this practice. The data were created from instruments such as: exploratory questionnaire, interview and sequence of research teaching in the CTS perspective on ecology contents. The last one was developed and applied to students in the first year of high school. There are indications, in the analysis of the data, that many teachers present a limited, if not, misleading, view of scientific literacy. It was noticed, that the teachers do not fully understand the meaning of this terminology, although, they point out to know elements intrinsic to it. Complementing the answer, it was evidenced that the CTS approach is understood by most teachers, in a narrow view of the scientific knowledge applicability and in the interaction between C-T-S. In addition, it was evidenced that the courses of continuous training offered have little to contribute to overcome the ideas listed before, which make them obstacles that difficult the effective implementation of the CTS approach and the development of students' scientific literacy. The data obtained from the application of the teaching sequence revealed an important contribution of the CTS approach in the development of skills and essential abilities for scientific literacy. It was noticed in the students' answers the acquisition of scientific terms for social use, attitudes that involve responsible decision-making related to environmental problems and the development of critical thinking by students.

Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2017-12-12T19:37:16Z No. of bitstreams: 1 LeticiaBarbosaQuesado_TESE.pdf: 2770136 bytes, checksum: 39d9025b9fc8dcd97a37920776922f35 (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2017-12-14T19:34:03Z (GMT) No. of bitstreams: 1 LeticiaBarbosaQuesado_TESE.pdf: 2770136 bytes, checksum: 39d9025b9fc8dcd97a37920776922f35 (MD5) / Made available in DSpace on 2017-12-14T19:34:03Z (GMT). No. of bitstreams: 1 LeticiaBarbosaQuesado_TESE.pdf: 2770136 bytes, checksum: 39d9025b9fc8dcd97a37920776922f35 (MD5) Previous issue date: 2017-06-26 / Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico (CNPq) / Os padr?es na biodiversidade s?o o resultado de m?ltiplos processos (locais e regionais) interativos em diferentes propor??es em diferentes extens?es das escalas espaciais. Quanto menor o organismo, maior ? seu potencial de dispers?o, portanto acredita-se que suas comunidades sejam predominantemente estruturadas pelo ambiente atrav?s da ordena??o das esp?cies. O uso da abordagem funcional tem se mostrado cada vez mais eficiente para o entendimento dos padr?es de biodiversidade, pela intr?nseca rela??o dos tra?os com o ambiente que os seleciona. Desta forma, espera-se que com o aumento das extens?es espaciais devido ao aumento da heterogeneidade ambiental maior ser? o n?mero de tra?os funcionais selecionados pelos diferentes filtros ambientais, levando a uma rela??o positiva da diversidade funcional-taxon?mica. No entanto, a varia??o dos tra?os pode ser devido a ordena??o de esp?cies ou varia??o de intraespec?fica dependendo do gradiente ambiental analisado. O objetivo geral foi avaliar a influ?ncia da escala espacial na diversidade taxon?mica e funcional do fitopl?ncton de lagos e reservat?rios distribu?dos da regi?o costeira (?mida) para o interior (semi?rido) do Rio Grande do Norte. Desta forma, os objetivos espec?ficos foram: (1) verificar quais fatores (locais ou regionais) determinam a ?-diversidade taxon?mica e funcional em duas extens?es espaciais (bacia hidrogr?fica e paisagem); (2) como as rela??es entre as m?tricas funcionais e taxon?micas (riqueza, equitabilidade, diversidade e redund?ncia funcional) variam de acordo com o gr?o da escala espacial; e (3) como os gradientes ambientais explicam a varia??o do tamanho dos organismos fitoplanct?nicos na comunidade e seus grupos funcionais. As amostras foram coletadas em 98 lagos distribu?dos em 14 bacias hidrogr?ficas, entre os meses de setembro e outubro de 2012. As m?tricas funcionais foram baseadas em tra?os mistos, como superf?cie, tamanho, presen?a de mucilagem e composi??o de pigmentos (verde, azul, marrom e misto), e tipo de formas de vida (colonial, filamentosa ou unicelular). Nossos resultados mostram que a comunidade fitoplanct?nica foi explicada principalmente pela ordena??o de esp?cies em ambas as extens?es espaciais, com import?ncia decrescente com a escala. No entanto, a ?-diversidade funcional foi melhor predita pela ordena??o de esp?cies do que a taxon?mica. Al?m disso, as abordagens foram dependentes da escala espacial, enquanto a funcional foi significativa para as bacias hidrogr?ficas, a taxon?mica foi fracamente relacionada a paisagem. Ao observarmos as rela??es entre as m?tricas funcionais e taxon?micas, encontramos uma rela??o linear positiva com quase todas as m?tricas medidas. Apenas a riqueza foi dependente da escala espacial, mudando de uma rela??o visual assint?tica para uma linear. Consequentemente, a redund?ncia funcional ponderada pela abund?ncia diminuiu em ambas as escalas espaciais com mudan?as nas m?tricas respons?veis por tal. Ao n?vel do lago, a redund?ncia funcional foi correlacionada com o aumento da diversidade funcional, ao n?vel da bacia hidrogr?fica com riqueza, taxon?mica e funcional. De forma geral, a comunidade fitoplanct?nica aumentou seu tamanho m?dio ao longo do gradiente de biomassa de Cyclopoida. A mudan?a de esp?cies foi o padr?o dominante na varia??o do tamanho e repetiu-se nos grupos funcionais, com exce??o das algas unicelulares n?o t?xicas de parede celular r?gida e as filamentosas t?xicas, nas quais a varia??o intraespec?fica foi mais importante ao longo do gradiente de biomassa de Calanoida e de eutrofiza??o, respectivamente. Este estudo contribui para o modelo de ordena??o de esp?cies do mecanismo de metacomunidade para as comunidades fitoplanct?nicas, refor?ado pela abordagem funcional baseada em tra?os. A mudan?a de esp?cies apresentou uma forte influ?ncia na resposta de tamanho do fitopl?ncton a gradientes amplos. Finalmente, este estudo destaca o papel substancial da complementariedade funcional na estrutura??o da comunidade fitoplanct?nica e a import?ncia de incluir escalas espaciais distintas em estudos de metacomunidade. / Patterns in biodiversity are the result of multiple interacting processes at both local and regional spatial scales. Microorganisms, considered highly dispersed, have their communities expected to be predominantly structured by the local environment through species sorting. The functional approach has increasingly been used to understand patterns of biodiversity and its consequences to the ecosystem. Increasing scientific effort has been devoted to testing patterns and mechanisms regulating functional-taxonomic diversity relationship. The spatial scale has the potential to mediate this relationship because both the number of species and environmental heterogeneity are expected to increase with spatial scale. Consequently, a great number of functional traits may be selected by environmental filtering at larger spatial scales leading to a positive functional-taxonomic diversity relationship. Nevertheless, trait variation over an environmental gradient can be due to either species turnover or intraspecific trait variation. We aimed to evaluate how the spatial scale influences the taxonomic and functional phytoplankton diversity of freshwater environments distributed along an arid gradient from the (humid region) coast to the countryside (semiarid region) of Rio Grande do Norte. Likewise, we also intended to verify (1) which factors (local or regional) determines taxonomic and functional ?-diversity at two spatial extensions (watershed and landscape) (Chapter 1); (2) how the relationships between functional and taxonomic metrics (richness, evenness, diversity, and functional redundancy) vary according to spatial scale grain (lake or watershed) (Chapter 2); and (3) how environmental gradients explain the size variation of phytoplankton community and its functional groups (Chapter 3). We collected samples in the subsurface of the limnetic region of 98 lakes distributed along 14 watersheds, between September and October 2012. The functional metrics were based on mixed traits, as surface, size, presence of mucilage and pigment composition (green, blue, brown and mixed) and type of life forms (colonial, filamentous or unicellular). Our results show that phytoplankton community was mainly explained by species sorting at both spatial extensions, with decreasing importance with the scale. However, functional ?-diversity was better predicted by species sorting than taxonomic one. In addition, the approaches were spatial scale dependent, while functional approach was significant at the watershed level, taxonomic weakly significant at the landscape level. When observing the functional-taxonomic metrics relationship, we found a positive linear relationship with almost all metrics measured. Only richness was spatial scale dependent, changing from a visually asymptotic relationship to a linear one with increasing spatial scale grain. Consequently, functional redundancy decreased at both spatial scale grain with changes in the metrics responsible for it. At the lake level, functional redundancy was correlated with an increase in functional diversity, while at the watershed level with richness, taxonomic and functional ones. Overall, the phytoplankton community increased in its average size along with Cyclopoida biomass. Species turnover was predominant as the pattern of size variation, and repeated itself within each of the functional groups, except for the non-toxic unicellular algae with hard cell walls and the toxic filamentous algae for which intraspecific variation was more important along Calanoida biomass and eutrophication gradient, respectively. This study contributes to the species-sorting model of metacommunity mechanism for phytoplankton communities reinforced by the functional trait-based approach. Species turnover had a strong influence on determining phytoplankton size responses to broad gradients. Finally, this study highlights a substantial role of functional complementary for structuring phytoplankton communities and the importance of including distinct spatial scales in metacommunities studies.

Linha de pesquisa: Gest?o de institui??es educacionais. / Submitted by Jos? Henrique Henrique (jose.neves@ufvjm.edu.br) on 2017-06-26T21:09:33Z No. of bitstreams: 2 amanda_thomaz_monteiro.pdf: 4097182 bytes, checksum: 1e9f81a359056163326e416f835c37e3 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) / Approved for entry into archive by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2017-06-28T12:03:06Z (GMT) No. of bitstreams: 2 amanda_thomaz_monteiro.pdf: 4097182 bytes, checksum: 1e9f81a359056163326e416f835c37e3 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) / Made available in DSpace on 2017-06-28T12:03:06Z (GMT). No. of bitstreams: 2 amanda_thomaz_monteiro.pdf: 4097182 bytes, checksum: 1e9f81a359056163326e416f835c37e3 (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Previous issue date: 2017 / Em todo o mundo, de maneira geral, as fun??es das universidades est?o diretamente ligadas ? produ??o de conhecimento cient?fico. Essas institui??es s?o respons?veis por grande parte da gera??o desse conhecimento e sua comunica??o torna-se um processo fundamental para o ensino, a pesquisa e a extens?o, pilares que devem atuar de forma articulada e indissoci?vel. O ambiente acad?mico constitui-se, assim, num campo f?rtil para o estudo da Gest?o do Conhecimento Cient?fico e da Comunica??o Cient?fica, uma vez que a produ??o do conhecimento cient?fico aponta para a necessidade de dissemina??o, compartilhamento e uso do conhecimento gerado. Esta pesquisa tem como objetivo descrever os processos de gest?o interna do conhecimento cient?fico existentes na Universidade Federal dos Vales do Jequitinhonha e Mucuri a partir da concep??o de um modelo integrativo de Gest?o do Conhecimento. O modelo, que alicer?a o desenvolvimento deste trabalho, ? proposto por Alvarenga Neto, Barbosa e Pereira (2007) e considera tr?s concep??es b?sicas: 1) uma concep??o estrat?gica da informa??o e do conhecimento; 2) a introdu??o de tal estrat?gia nos n?veis t?cito e operacional atrav?s das v?rias ferramentas e abordagens gerenciais; 3) a cria??o de um espa?o organizacional para o conhecimento, que constitui o conjunto de condi??es favor?veis para o uso das melhores informa??es e dos melhores conhecimentos dispon?veis. Para a consecu??o dos objetivos espec?ficos, descreveu-se e analisou-se o objeto de pesquisa, composto por documenta??o, sistemas, ferramenta, sites e outras formas de registro, al?m de dois ?rg?os institucionais. O foco, os objetivos e o referencial te?rico deste estudo apontam para uma pesquisa de natureza te?rica, com abordagem metodol?gica essencialmente qualitativa, explicativa do ponto de vista dos objetivos e que se prop?e a realizar an?lises bibliogr?fica e documental como procedimentos t?cnicos. Os resultados assinalam que nenhuma das tr?s concep??es b?sicas do modelo integrativo de Gest?o do Conhecimento foi constatada na pesquisa. Com isso, pode-se considerar que a UFVJM n?o possui processos de gest?o interna do conhecimento cient?fico propriamente ditos. As conclus?es desta pesquisa levam a convir que o que existe na institui??o atualmente n?o s?o processos, mas a??es relacionadas a alguma parte deles e n?o aos processos como um todo. Portanto, no contexto da UFVJM, a comunica??o poderia ser empregada como uma condi??o capacitadora da Gest?o do Conhecimento Cient?fico, criando um significado e garantindo a efetividade desse processo. Com isso, a universidade estaria, inclusive, mais pr?xima de realizar sua miss?o institucional, que ? impulsionar o desenvolvimento regional e nacional, por meio da produ??o e dissemina??o do conhecimento e da inova??o, a partir da integra??o do ensino, da pesquisa e da extens?o. / Disserta??o (Mestrado Profissional) ? Programa de P?s-Gradua??o em Educa??o, Universidade Federal dos Vales do Jequitinhonha e Mucuri, 2017. / Across the world, in general, the functions of universities are directly linked to the production of scientific knowledge. These institutions are responsible for a great part of the generation of this knowledge and its communication becomes a fundamental process for teaching, research and extension, pillars that must act in an articulated and inseparable way. The academic environment is, thus, a fertile field for the study of the Management of Scientific Knowledge and Scientific Communication, since the production of scientific knowledge points to the need of dissemination, sharing and use of the generated knowledge. This research aims to describe the processes of internal management of scientific knowledge existing at the Federal University of Jequitinhonha and Mucuri Valleys, from the conception of an integrative model of Knowledge Management. The model that supports the development of this work is proposed by Alvarenga Neto, Barbosa and Pereira (2007) and considers three basic concepts: 1) a strategic conception of information and knowledge; 2) the introduction of such strategy at the tacit and operational levels through the various management tools and approaches; 3) the creation of an organizational space for knowledge, which constitutes the set of favorable conditions for the use of the best information and the best available knowledge. For the accomplishment of the specific objectives, the research object composed of documentation, systems, tool, sites and other forms of registration, besides two institutional organs, was described and analyzed. The focus, objectives and theoretical reference of this study point to a research of a theoretical nature, with a methodological approach that is essentially qualitative, explanatory from the point of view of the objectives and with bibliographic and document analysis as technical procedures. The results indicate that none of the three basic conceptions of the integrative model of Knowledge Management was verified in the research. With this, it can be considered that UFVJM does not have processes of internal management of the scientific knowledge, properly speaking. The conclusions of this research suggest that what exists in the institution today are not processes, but actions related to some part of them and not to the processes as a whole. Therefore, in the context of UFVJM, communication could be used as an enabling condition of the Management of Scientific Knowledge, creating a meaning and guaranteeing the effectiveness of this process. With this, the university would even be closer to achieve its institutional mission, which is to promote regional and national development, through the production and dissemination of knowledge and innovation, from the integration of teaching, research and extension.

Incluir como ag?ncias financiadoras: Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior (CAPES), Financiadora de Estudos e Projetos (FINEP) e Funda??o de Amparo ? Pesquisa do Estado de Minas Gerais (FAPEMIG). / Submitted by Jos? Henrique Henrique (jose.neves@ufvjm.edu.br) on 2018-02-07T21:39:03Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) marcelo_henrique_fernandes_ottoni.pdf: 3524322 bytes, checksum: c7675d522b34cfb2455e18dbca1699da (MD5) / Approved for entry into archive by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2018-03-09T19:17:22Z (GMT) No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) marcelo_henrique_fernandes_ottoni.pdf: 3524322 bytes, checksum: c7675d522b34cfb2455e18dbca1699da (MD5) / Made available in DSpace on 2018-03-09T19:17:22Z (GMT). No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) marcelo_henrique_fernandes_ottoni.pdf: 3524322 bytes, checksum: c7675d522b34cfb2455e18dbca1699da (MD5) Previous issue date: 2017 / Conselho Nacional de Pesquisas (CNPq) / A presen?a de fluoresc?ncia interferente em uma dada amostra ? considerada como um importante problema em m?todos fluorim?tricos, devido ? poss?vel sobreposi??o espectral entre ela e a emiss?o fluorescente de sondas. Por isso, ? importante conhecer se h? fluoresc?ncia interferente em uma dada amostra e subst?ncias de interesse nas condi??es de trabalho pretendidas. No presente estudo, foi avaliada a presen?a de fluoresc?ncia interferente em linf?citos humanos ap?s o tratamento com extratos de tr?s diferentes plantas medicinais, sendo estas, objeto de estudo do nosso grupo de pesquisas. Os extratos s?o: o extrato etan?lico das partes a?reas de Ageratum fastigiatum, extrato etan?lico das partes a?reas de Eriosema campestre e o extrato etan?lico do caule de Pseudobrickellia brasiliensis. Foi coletado o sangue de tr?s volunt?rios para a separa??o das c?lulas mononucleares de sangue perif?rico, para a confec??o de culturas in vitro em meio RPMI devidamente suplementado. Foram feitas uma cultura controle n?o-tratada (CON), culturas tratadas com cada extrato em tr?s concentra??es diferentes, al?m de uma cultura de c?lulas tratadas com dimetilsulf?xido (DMSO), solvente usado na solubiliza??o dos extratos vegetais. As culturas celulares foram incubadas por 24 horas a 37 ?C e 5% de CO2. Ap?s esse per?odo, as c?lulas foram lavadas e avaliadas por citometria de fluxo ou por microscopia confocal. A presen?a de fluoresc?ncia interferente foi determinada com base em histogramas de intensidade de fluoresc?ncia feitos para oito intervalos de comprimento de onda distintos, tendo sido feitas an?lises quali e quantitativas dos dados. A fluoresc?ncia dos extratos vegetais e DMSO foram avaliadas isoladamente por fluorimetria, usando-se as mesmas concentra??es utilizadas para as culturas celulares. Atrav?s da citometria de fluxo, foi identificado que o tratamento de linf?citos com qualquer um dos tr?s extratos de plantas levou ao aparecimento de fluoresc?ncia interferente detect?vel em v?rias faixas de comprimento de onda. Culturas tratadas com DMSO n?o apresentaram fluoresc?ncia interferente. Pela fluorimetria foi visto que os extratos n?o emitem fluoresc?ncia, o que sugere que a fluoresc?ncia interferente foi induzida nas c?lulas ap?s intera??es entre elas e os extratos. Este estudo levanta precau??es que visam avaliar a poss?vel presen?a de fluoresc?ncia interferente em condi??es de trabalho, possibilitando evitar esse vi?s e aumentar a confiabilidade dos resultados. / Disserta??o (Mestrado) ? Programa de P?s-gradua??o em Ci?ncias Farmac?uticas, Universidade Federal dos Vales do Jequitinhonha e Mucuri, 2017. / The presence of interfering fluorescence in a given sample is considered as an important problem on fluorometric methods due to the possible spectral overlap between it and the fluorescent emission of probes. Therefore, it is important to know if there is interfering fluorescence in a given sample, as well as, in substances of interest, in the desired working conditions. In the present study, it was evaluated the presence of interfering fluorescence in human lymphocytes after the treatment with extracts from three different medicinal plants, being such plants the object of study of our research group. The extracts are: the ethanolic extract from the aerial parts of Ageratum fastigiatum, ethanolic extract from the aerial parts of Eriosema campestre and the ethanolic extract from the stem of Pseudobrickellia brasiliensis. Blood was collected from three volunteers to get the peripheral blood mononuclear cells, for in vitro culture preparation in properly supplemented RPMI medium. It was made an untreated control culture (CON), cultures treated with each extract at three different concentrations, and a culture of cells treated with dimethylsulfoxide (DMSO), the solvent used in the plant extracts solubilization. Cell cultures were incubated for 24 hours at 37?C and 5% CO2. After that, cells were washed and evaluated by flow cytometry or by confocal microscopy. The presence of interfering fluorescence was determined based on making fluorescence intensity histograms at eight wavelength ranges for each cell culture. Qualitative and quantitative data analyzes were performed with those graphs. Plant extracts and DMSO fluorescences were evaluated by fluorometry, using the same concentrations used for the cell cultures. In flow cytometry results, it was identified that the treatment of lymphocytes with any of the three plant extracts led to the appearance of interfering fluorescence detectable in several wavelength ranges. Cultures treated with DMSO showed no interfering fluorescence. By fluorometry it was seen that the extracts are not fluorescent, which suggests that the interfering fluorescence was induced in the cells by interactions between them and the extracts. This study raises precautions to evaluate the possible presence of interfering fluorescence in working conditions, making possible to avoid this bias and increase the results reliability.

?rea de concentra??o: Conserva??o e Restaura??o de Ecossistemas Florestais. / Submitted by Jos? Henrique Henrique (jose.neves@ufvjm.edu.br) on 2018-03-07T19:22:48Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) lelis_vaz_leite_oliveira.pdf: 2388952 bytes, checksum: 4d43bd58c8b2ec58bf2ad86b22291639 (MD5) / Approved for entry into archive by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2018-03-09T19:57:08Z (GMT) No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) lelis_vaz_leite_oliveira.pdf: 2388952 bytes, checksum: 4d43bd58c8b2ec58bf2ad86b22291639 (MD5) / Made available in DSpace on 2018-03-09T19:57:08Z (GMT). No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) lelis_vaz_leite_oliveira.pdf: 2388952 bytes, checksum: 4d43bd58c8b2ec58bf2ad86b22291639 (MD5) Previous issue date: 2013 / Impactos ambientais comprometem direta ou indiretamente a riqueza e estrutura tr?fica da avifauna local e regional e informa??es sobre esta tem?tica s?o escassas para as forma??es do Cerrado, em especial para a o Espinha?o Meridional. Assim, este estudo busca fornecer informa??es sobre a conserva??o, endemismo e estrutura tr?fica da avifauna em forma??es sav?nicas (cerrado t?pico e cerrado rupestre), de tr?s ?reas que se encontram em diferentes est?dios de conserva??o na Serra do Espinha?o Meridional. Em cada ?rea foi pr?-estabelecido um transecto de 5 km, os quais foram visitados mensalmente. Cada uma dessas visitas teve dura??o de oito horas, totalizando 120 horas/ ?rea. Ao percorrer tais transectos, foram registradas todas as aves vistas e/ou ouvidas. Foi avaliado o status de degrada??o de cada ?rea estudada, por meio de uma matriz de impactos e a quantifica??o estrutural da paisagem foi feita por meio de ?ndices de composi??o e configura??o espacial. No Parque Estadual do Biribiri e antigo dep?sito de lixos de Diamantina (BL) foram registradas 123 esp?cies de aves distribu?das em 34 fam?lias. Para o RP foram registradas 88 esp?cies e 28 fam?lias e para a ?rea de Prote??o Ambiental Pau-de-Fruta (PF) foram registradas 76 esp?cies e 23 fam?lias. Considerando que o pior cen?rio de impactos poss?vel, no qual todos os crit?rios est?o com a maior pontua??o alcan??vel some 132, o RP atingiu 25% (33 pontos), o PF 26,5% (35 pontos) e o BL 60,6% (80 pontos). Em rela??o ? estrutura tr?fica n?o houve diferen?as significativas entre as ?reas estudadas tanto para todo o per?odo analisado (H = 5,670; p = 0,127), como para as duas esta??es seca (H = 5,436; p= 0,145) e chuvosa (H = 4,744; p = 0,191) e demonstrou um predom?nio de esp?cies inset?voras, seguidas por frug?voras e on?voras. A insetivoria foi a guilda mais predominante durante as duas esta??es em todos os ambientes estudados. Houve uma consider?vel similaridade da avifauna entre as ?reas. Os padr?es encontrados por este estudo refor?am a necessidade melhor compreens?o de ambientes antropizados, principalmente aqueles em ?reas de forma??es sav?nicas, onde a avifauna indica uma tend?ncia a apresentar maior plasticidade e amplitude ambiental. / Disserta??o (Mestrado) ? Programa de P?s-Gradua??o em Ci?ncia Florestal, Universidade Federal dos Vales do Jequitinhonha e Mucuri, 2013. / Environmental impacts directly or indirectly compromise the richness and trophic structure of local and regional avifauna and information on this subject are scarce for the formations of the Cerrado, especially to the southern Espinha?o. Thus, this study aims to provide information about conservation, endemism and trophic structure of the avifauna in savanna formations (typical cerrado and grasslands) of three areas that are at different stages of conservation in the southern Espinha?o. In each area was pre-established a transect of 5 km, which were visited monthly. Each of these visits lasted eight hours, totaling 120 hours/area. In such transects were recorded all birds seen and / or heard. The deterioration status of each studied by means of an array of structural impacts and quantification of the landscape area was made by compounding rates and spatial configuration was evaluated. In the Biribiri State Park and ancient deposit of waste from Diamantina (BL) 123 species of birds distributed in 34 families were recorded. RP for 88 species and 28 families were recorded and the Environmental Protection Area Pau-de-fruit (PF) 76 species and 23 families were recorded. . In the Biribiri State Park and ancient deposit of waste from Diamantina (BL) 123 species of birds distributed in 34 families were recorded. In the Rio Preto State Park (RP) 88 species and 28 families were recorded and at the Environmental Protection Area Pau-de-Fruta (PF) 76 species and 23 families were recorded. Whereas the worst possible impacts, where all criteria are reached with the highest score some 132, RP reached 25% (33 points), PF 26.5% (35 points) and 60.6% BL (80 points). Regarding the trophic structure there were no significant differences among the studied areas for the entire period analyzed both (H = 5.670, p = 0.127) and for the two dry seasons (H = 5.436, p = 0.145) and wet (H = 4,744 p = 0.191) and demonstrated a predominance of insectivores, followed by frugivorous and omnivorous species. The insectivorous guild was most prevalent during the two seasons in all environments studied. There was considerable similarity between the avifauna in the study areas. The patterns found in this study reinforce the need for better understanding of anthropogenic environments, especially those in areas of savanna formations where birdlife indicates a tendency to have higher plasticity and environmental amplitude.