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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Caracteriza??o da vegeta??o ciliar em rios tempor?rios de uma regi?o do Semi?rido da Bahia, Brasil

Queiroz, Carlos Andre Cirqueira 21 March 2014 (has links)
Submitted by Natalie Mendes (nataliermendes@gmail.com) on 2015-07-24T00:28:34Z No. of bitstreams: 1 DISSERTA??O - CARLOS ANDRE CIRQUEIRA QUEIROZ.pdf: 1680530 bytes, checksum: 3c42dc1990e89302d319a83bea64b5a8 (MD5) / Made available in DSpace on 2015-07-24T00:28:34Z (GMT). No. of bitstreams: 1 DISSERTA??O - CARLOS ANDRE CIRQUEIRA QUEIROZ.pdf: 1680530 bytes, checksum: 3c42dc1990e89302d319a83bea64b5a8 (MD5) Previous issue date: 2014-03-21 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior - CAPES / (Characterization of Riparian Forest Vegetation of temporary rivers at Semiarid Region of Bahia, Brazil).Riparian forests are greatly important for its ecosystem. They provide protection against water siltation, water quality, feeding, wildlife protection and they are still recognized as ecological corridors. This paper aims to describe the community structure, physiognomy and the floristic composition of riparian forests of temporary rivers at Milagres and Itatim, Bahia, to provide basic information for riparian forest protection, enrichment and recuperation programs. The phytosociological survey was based on quadrant method throughout transectsat river margins. The sampling included individuals with diameter at the base equal to or larger than 3 cm.The river Sebasti?o presented secondary vegetation in initial stage while Rio Ribeir?o initial secondary stage medium, both areas had high concentrations of the species C. yco. / (Caracteriza??o da vegeta??o ciliar em rios tempor?rios de uma regi?o do semi?rido da Bahia, Brasil). As matas ciliares t?m grande import?ncia para o ecossistema onde se encontram, pois oferecem prote??o contra o assoreamento dos cursos da ?gua, funcionam como corredores ecol?gicos, auxiliam na manuten??o da qualidade h?drica, alimenta??o e prote??o para a fauna. O presente estudo objetivou descrever a estrutura comunit?ria, fision?mica e a composi??o flor?stica das matas ciliares no Racho do Sebasti?o e no Rio Ribeir?o nas regi?es de Milagres e Itatim, Bahia, fornecendo informa??es b?sicas para subsidiar a implanta??o de programas de recupera??o de matas ciliares. O levantamento foi realizado utilizando o m?todo de ponto quadrante ao longo de transectos distribu?dos nas margens dos rios. Para a inclus?o dos indiv?duos amostrados foi usado o di?metro ? altura do solo maior ou igual a 3 cm. O Riacho do Sebasti?o apresentou vegeta??o em estagio secund?rio inicial enquanto que o Rio Ribeir?o est?gio secund?rio inicial a m?dio, ambas as ?reas teve grande concentra??o da esp?cie C. yco.
2

A fam?lia Rubiaceae na Serra Geral de Lic?nio de Almeida

Borges, Rodrigo Lopes 31 March 2016 (has links)
Submitted by Ricardo Cedraz Duque Moliterno (ricardo.moliterno@uefs.br) on 2016-10-10T21:22:05Z No. of bitstreams: 1 Disserta??o_vf.pdf: 7117187 bytes, checksum: eca7e53d02b2ae3071a9528a28253c88 (MD5) / Made available in DSpace on 2016-10-10T21:22:05Z (GMT). No. of bitstreams: 1 Disserta??o_vf.pdf: 7117187 bytes, checksum: eca7e53d02b2ae3071a9528a28253c88 (MD5) Previous issue date: 2016-03-31 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior - CAPES / In Brazil, Rubiaceae is the fourth family with greater diversity of species and is represented by 125 genera and 1392 species, mostly distributed in the Amazon and Atlantic forests. Due to the heterogeneity of habitat and vegetation types, Bahia stands out for the richness of species in the family (ca. 368 spp.) and by the record of many endemic species. Among the areas that are recognized by the lack of floristic inventories in the state, there is the southwest region, more precisely the areas that comprise the Espinha?o Septentrional. Thus, the aim of this study was to conduct a floristic and taxonomic survey of Rubiaceae to the Serra Geral of Lic?nio de Almeida (SGLA), Bahia. Ten field trips were conducted between July 2012 and May 2015, covering all existing vegetation types in the area. The collected materials were processed and deposited in the HUEFS and ALCB herbaria. Reference materials were also analyzed in visits to herbaria ALCB, CEPEC, HRB, HUEFS, RB and SPF. A number of 43 species distributed in 28 genera were recognized and collected, being Declieuxia (5 spp.), Borreria (3 spp.), Cordiera (3 spp.) and Psychotria (3 spp.) the most diverse genera. Following the previous floristic studies in Espinha?o Range, there are large number of genera (19) with only a single species. Psyllocarpus asparagoides, Psyllocarpus laricoides and Stachyarrhena reflexa are endemic to Minas Gerais and Bahia; Declieuxia passerina and Galianthe peruviana are new records for Bahia, and two species are considered new for science (Randia sp. and Staelia sp.). Keys to generic and specific identification, descriptions, taxonomic and biologic comments for all species are presented, as well as photos and illustrations. / Rubiaceae ? a quarta fam?lia com maior riqueza de esp?cies no Brasil e est? representada por 125 g?neros e 1392 esp?cies, distribu?das predominantemente nos dom?nios Amaz?nico e Atl?ntico. Devido ? heterogeneidade de habitats e fitofisionomias, a Bahia destaca-se pela riqueza de esp?cies para a fam?lia (ca. 368 spp.) e pelo registro de muitas esp?cies end?micas. Dentre as ?reas que s?o reconhecidas pela car?ncia de invent?rios flor?sticos no estado, destaca-se a regi?o sudoeste, mais precisamente as ?reas que compreendem o Espinha?o Setentrional. Desta forma, o objetivo deste estudo foi realizar o levantamento flor?stico e taxon?mico de Rubiaceae para a Serra Geral de Lic?nio de Almeida (SGLA), Bahia. Foram realizadas dez viagens de coleta entre julho de 2012 e maio de 2015, abrangendo todas as fitofisionomias existentes na ?rea. Os materiais coletados foram processados e depositados nos Herb?rios HUEFS e ALCB. Materiais de refer?ncia foram tamb?m analisados em visita aos herb?rios ALCB, CEPEC, HRB, HUEFS, RB, SPF. Foram reconhecidas e coletadas 43 esp?cies, distribu?das em 28 g?neros, sendo Declieuxia (5 spp.), Borreria (3 spp.), Cordiera (3 spp.) e Psychotria (3 spp.) os g?neros mais diversos e, seguindo os estudos flor?sticos pr?vios na Cadeia do Espinha?o, houve um grande n?mero de g?neros (19) com apenas uma ?nica esp?cie. Psyllocarpus asparagoides, Psyllocarpus laricoides, Stachyarrhena reflexa s?o end?micas de Minas Gerais e Bahia; Declieuxia passerina e Galianthe peruviana s?o novas ocorr?ncias para a Bahia, e duas esp?cies s?o consideradas in?ditas para a ci?ncia (Randia sp. e Staelia sp.). S?o apresentados chaves de identifica??o gen?rica e espec?fica, descri??es, coment?rios taxon?micos para as esp?cies, al?m de fotos e ilustra??es.
3

Taxonomia de Papilionoideae (leguminosae) da Mata Atl?ntica do Rio Grande do Norte, Brasil

S?o-Mateus, Wallace Messias Barbosa 25 March 2013 (has links)
Made available in DSpace on 2014-12-17T15:49:12Z (GMT). No. of bitstreams: 1 WallaceMBSM_DISSERT.pdf: 4013575 bytes, checksum: c1fbcb1d396d5e926198f2849acb86a7 (MD5) Previous issue date: 2013-03-25 / Leguminosae is the third largest family of angiosperms with about 19.325 species and 727 genera, and it is pantropically distributed. Papilionoideae is the most diverse of the three legume subfamilies, with around 13.800 species (71%), 478 genera, and 28 tribes. Papilionoid legumes include herbs, shrubs, lianas or trees with pinnate, trifoliolate, unifoliolate or simple leaves, flowers frequently papilionate with descending imbricate petal aestivation, the petals highly differentiated into standard, keel, and wings, androecium usually diplostemous, and seeds without pleurogram, with conspicuous hilum, and the embryo radicle usually curved. The current study aims to carry out a taxonomic account of the Papilionoideae from Atlantic Forest remnants in Rio Grande do Norte, Brazil, across the herbaria data surveys, collections of field samples and morphological analysis of the collected specimens and/or herbaria materials. Identification key, descriptions, diagnostic characters, illustrations, and geographic distribution of the 68 species and 32 genera within the following tribes Phaseoleae (11 genera/24 species), Dalbergieae (9/20), Swartzieae (3/3), Millettieae (2/4), Sophoreae (2/2), Abreae (1/1), Crotalarieae (1/3), Desmodieae (1/7), Indigofereae (1/3), and Sesbanieae (1/1). The most species-rich genera were Desmodium Desv. (7 species), Centrosema (DC.) Benth. (5), Stylosanthes Sw. (5), Aeschynomene L. (4) and Macroptilium (Benth.) Urb. (4). Concerning to the habit, the herbaceous and shrubby has predominated with 60% (41 spp.), following by the vine and lianas with 28% (19 spp.) and the woody with only 12% (8 spp.). Thirty two species and the following genera are newly recorded for the flora of Rio Grande do Norte: Chaetocalyx, Cochliasanthus, Crotalaria, Galactia, Geoffroea, Macroptilium, Rhynchosia, Swartzia, Trischidium, and Vigna / Leguminosae ? a terceira maior fam?lia de angiospermas, apresentando cerca de 19.325 esp?cies e 727 g?neros e distribui??o pantropical. Papilionoideae ? a mais diversa das tr?s subfam?lias de leguminosas, com cerca de 13.800 esp?cies (71%) subordinadas a 478 g?neros e 28 tribos. ? caracterizada pelo h?bito herb?ceo, arbustivo, lianescente ou arb?reo, folhas pinadas, trifolioladas, unifolioladas ou simples, flores frequentemente papilionadas, com as p?talas diferenciadas em estandarte, carena e alas em preflora??o imbricativa descendente ou vexilar, androceu geralmente diplost?mones e sementes sem pleurograma, com hilo bem desenvolvido e embri?o com rad?cula geralmente curvada. O presente estudo teve como objetivo realizar um estudo taxon?mico das Papilionoideae ocorrentes na Mata Atl?ntica do Rio Grande do Norte, Brasil atrav?s do levantamento de dados de herb?rios, coletas de materiais em campo e an?lise morfol?gica dos esp?cimes coletados e/ou depositados em herb?rios. S?o apresentadas chave de identifica??o, descri??es, caracteres diagn?sticos, ilustra??es e distribui??o geogr?fica das 68 esp?cies e 32 g?neros distribu?dos nas tribos Phaseoleae (11 g?neros/24 esp?cies), Dalbergieae (9/20), Swartzieae (3/3), Millettieae (2/4), Sophoreae (2/2), Abreae (1/1), Crotalarieae (1/3), Desmodieae (1/7), Indigofereae (1/3) e Sesbanieae (1/1). Os g?neros mais representativos foram Desmodium Desv. (7 esp?cies), Centrosema (DC.) Benth. (5), Stylosanthes Sw. (5), Aeschynomene L. (4) e Macroptilium (Benth.) Urb. (4). Quanto ao h?bito, predominou o herb?ceo e arbustivo com 60% (41 spp.), seguido do trepador e lianescente com 28% (19 spp.) e o arb?reo com apenas 12% (8 spp.). Neste trabalho, 32 esp?cies e os seguintes g?neros s?o registrados pela primeira vez para a flora do Rio Grande do Norte: Chaetocalyx, Cochliasanthus, Crotalaria, Galactia, Geoffroea, Macroptilium, Rhynchosia, Swartzia, Trischidium e Vigna
4

Caracteriza??o do solo com diferentes usos e composi??o flor?stica no Vale do Mucuri ? MG. / Characterization of soil with different uses and floristic composition in the Mucuri Valley ? MG.

Almeida, Luciana Gomes Fonseca January 2009 (has links)
Submitted by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2015-02-27T13:30:33Z No. of bitstreams: 5 26.pdf: 1302337 bytes, checksum: c21d07fdc6025046be83ca352dd9eef4 (MD5) license_url: 49 bytes, checksum: fd26723f8d7edacdb29e3f03465c3b03 (MD5) license_text: 20626 bytes, checksum: 7851d446050a985bd0603b7c4cee472d (MD5) license_rdf: 19710 bytes, checksum: aa65da15f424ff71c620a992a187295c (MD5) license.txt: 2109 bytes, checksum: aa477231e840f304454a16eb85a9235f (MD5) / Approved for entry into archive by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2015-02-27T17:13:27Z (GMT) No. of bitstreams: 5 26.pdf: 1302337 bytes, checksum: c21d07fdc6025046be83ca352dd9eef4 (MD5) license_url: 49 bytes, checksum: fd26723f8d7edacdb29e3f03465c3b03 (MD5) license_text: 20626 bytes, checksum: 7851d446050a985bd0603b7c4cee472d (MD5) license_rdf: 19710 bytes, checksum: aa65da15f424ff71c620a992a187295c (MD5) license.txt: 2109 bytes, checksum: aa477231e840f304454a16eb85a9235f (MD5) / Made available in DSpace on 2015-02-27T17:13:27Z (GMT). No. of bitstreams: 5 26.pdf: 1302337 bytes, checksum: c21d07fdc6025046be83ca352dd9eef4 (MD5) license_url: 49 bytes, checksum: fd26723f8d7edacdb29e3f03465c3b03 (MD5) license_text: 20626 bytes, checksum: 7851d446050a985bd0603b7c4cee472d (MD5) license_rdf: 19710 bytes, checksum: aa65da15f424ff71c620a992a187295c (MD5) license.txt: 2109 bytes, checksum: aa477231e840f304454a16eb85a9235f (MD5) Previous issue date: 2009 / Funda??o de Amparo ? Pesquisa do estado de Minas Gerais (FAPEMIG) / O presente estudo foi realizado com os seguintes objetivos: a) caracterizar o est?gio de degrada??o do solo com diferentes usos em ?reas de agricultores familiares no Vale do Mucuri; b) descrever a composi??o flor?stica de remanescentes de matas ciliares para subsidiar a recomposi??o das ?reas degradadas. Este trabalho faz parte do projeto n? 2008-3.08/07 Fapemig, em parceria com a ARMICOPA (Associa??o Regional Mucuri de Coopera??o dos Pequenos Agricultores). As amostras de solo foram coletadas em quatro localidades nos munic?pios de Ladainha, Novo Oriente, Pot? e Cara?, sendo que em cada localidade foram amostradas ?reas de pastagem, ?rea de cultura e remanescente florestal. Foram realizadas determina??es de atributos f?sicos, qu?micos e ligados ? mat?ria org?nica do solo de todas as ?reas. A composi??o flor?stica foi realizada nos quatro remanescentes florestais do bioma Mata Atl?ntica com Floresta Estacional Semidecidual. Foram alocadas nove parcelas de 10 x 10m, totalizando 900m? em cada ambiente de mata ciliar. O material bot?nico foi coletado dentro de cada parcela, sempre procurando atingir a maior diversidade poss?vel de esp?cies por fragmento. Dentre os agroecossistemas analisados, a mata foi a que apresentou melhor qualidade dos atributos do solo, o que indica que o uso e manejo influenciam diretamente sobre esses atributos. Nas quatro ?reas de mata ciliares foram identificadas 149 esp?cies, distribu?das em 81 g?neros e 40 fam?lias. Os resultados obtidos subsidiar?o a recupera??o desses ambientes com forma??o de sistemas agroflorestais, uma vez que a microrregi?o do Vale do Mucuri carece de estudos quanto ?s possibilidades de uso sustent?vel. / Disserta??o (Mestrado) ? Programa de P?s-Gradua??o em Produ??o Vegetal, Universidade Federal dos Vales do Jequitinhonha e Mucuri, 2009. / ABSTRACT The present study was accomplished with the following objectives: a) to characterize the degradation stage of the soil with different uses in areas of family farmers in Mucuri Valley; b) to describe the floristic composition of remnant ciliary forests in the aim to subsidize the degraded areas recovery. This work takes part of the project n?00 Fapemig in partnership with ARMICOPA (Mucuri Regional Association for Cooperation to Small Farmers). The soil samples were collected in four areas of the municipal districts of Ladainha, Novo Oriente, Pot? and Cara?, considering that in each place there were collected samples of pasture, culture and remnant forest areas. Determination of physical, chemical and linked to the organic matter of the soil attributes was accomplished in all areas. The floristic composition was accomplished in four remnant forests of Atlantic forest with Seasonal Semidecidual Forest bioma. Were allocated nine 10 x 10m portions, totaling 900m? in each ciliary forest environment. The botanical material was collected in each portion always attempting to reach the largest species diversity possible per fragment. Among the analyzed agroechossistems, the forest was the one that presented better quality of the soil attributes, indicating that the use and handling can influence directly on those attributes. In the four ciliary forest areas 149 species were identified, distributed in 81 genders and 40 families. The results are aimed at subsidizing the recovery of those environments with agroforests systems developing, once the Mucuri Valley microrregion lacks of studies about the possibilities of maintainable use.
5

Compara??o do estrato regenerante entre bordas e interior de uma floresta estacional semidecidual em Capelinha ? MG

Murta, Marco Aur?lio Cardoso 23 March 2016 (has links)
?rea de concentra??o: Conserva??o e restaura??o de ecossistemas. / Submitted by Jos? Henrique Henrique (jose.neves@ufvjm.edu.br) on 2016-12-16T16:56:37Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) marco_aurelio_cardoso_murta.pdf: 1577952 bytes, checksum: bba2d96d1b722132b4b3335ae8d2a59e (MD5) / Approved for entry into archive by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2016-12-19T16:49:12Z (GMT) No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) marco_aurelio_cardoso_murta.pdf: 1577952 bytes, checksum: bba2d96d1b722132b4b3335ae8d2a59e (MD5) / Made available in DSpace on 2016-12-19T16:49:12Z (GMT). No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) marco_aurelio_cardoso_murta.pdf: 1577952 bytes, checksum: bba2d96d1b722132b4b3335ae8d2a59e (MD5) Previous issue date: 2016 / Companhia Energ?tica de Minas Gerais (CEMIG) / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior (CAPES) / A Mata Atl?ntica ? considerada um dos biomas mais importantes do mundo, um hotspot para conserva??o, sendo as a??es antr?picas as principais fontes de dist?rbios que alteram este ambiente. A regenera??o natural ? um processo muito importante que atua diretamente sobre a recupera??o e fun??es do ecossistema. Este estudo teve como objetivo descrever e comparar a composi??o flor?stica-estrutural da regenera??o natural em uma Floresta Estacional Semidecidual localizada na RPPN Fazenda Fartura em Capelinha-MG. Para tal, foram amostrados um trecho no interior do fragmento (INT) e dois trechos de bordas, sendo uma em contato com pastagem (BP) e outra com cafeicultura (BC). Para analisar a diversidade alfa (?) foi utilizado o ?ndice de Shannon (H?) e equabilidade de Pielou (J?) e beta (?) pela similaridade flor?stica entre os trechos foi averiguada por meio de diagramas de Venn e dos ?ndices de Jaccard e Czekanowski. Foi elaborada uma curva esp?cie-?rea para estimar a dimens?o da riqueza flor?stica de cada trecho e calculados seus estimadores ?jackknife?. Para verificar poss?veis prefer?ncias das esp?cies ao longo dos trechos foi realizada uma An?lise de Esp?cies Indicadoras (ISA). Para analisar a estrutura da vegeta??o foram calculados os par?metros fitossociol?gicos cl?ssicos, al?m das distribui??es de di?metro e altura. As vari?veis estruturais foram comparadas por meio do teste de Kruskal-Wallis e a posteriori um teste de Dunn. Na amostragem total foram registrados 1.561 indiv?duos (230 no INT, 588 na BP e 743 na BC), identificados em 42 fam?lias bot?nicas, 87 g?neros e 162 esp?cies (78 no INT, 87 na BP e 89 na BC). As fam?lias com maior riqueza foram Myrtaceae, Fabaceae, Lauraceae, Rubiaceae, Melastomataceae e Annonaceae. Os resultados demonstraram que os trechos tem alt?ssima diversidade, muito acima do padr?o normalmente encontrado na literatura, com uma baixa similaridade flor?stica. De maneira geral, a estrutura da vegeta??o foi caracterizada por um maior n?mero de indiv?duos finos e pequenos. Os trechos apresentam ambientes distintos, cada um com diferentes hist?ricos de uso, variabilidade ambiental e tipos de dist?rbios, estes fatores possivelmente, foram os principais condicionantes que influenciaram os padr?es flor?sticos-estruturais da regenera??o natural na comunidade amostrada. As informa??es deste estudo evidenciaram a grande import?ncia da RPPN Fazenda Fartura para a conserva??o da Mata Atl?ntica, assim como, da necessidade de que mais estudos sejam realizados em escala espa?o-temporal. / Disserta??o (Mestrado) ? Programa de P?s-Gradua??o em Ci?ncia Florestal, Universidade Federal dos Vales do Jequitinhonha e Mucuri, 2016. / The Atlantic Forest is considered one of the most important biomes of the world, a hotspot for conservation, and human actions are the main sources of disturbances that change this environment. Natural regeneration is a very important process that acts directly on the recovery and ecosystem functions. This study aimed to describe and compare the floristic-structural composition of natural regeneration in a Semideciduous Forest located in the RPPN Fazenda Fartura in Capelinha-MG. For this, we sampled a stretch inside the fragment (INT) and two sections of edges, one in contact with pasture (BP) and the other with coffee (BC). To analyze the diversity alpha (?), we used Shannon Index (H') and evenness of Pielou (J') and beta (?) through floristic similarity between sections was determined through Venn diagrams and indices of Jaccard and Czekanowski. We developed the species-area curve to estimate the size of the floristic richness of each sections and its estimators calculated ?jackknife?. To check for possible preferences of the species along the sections we performed Indicator Species Analysis (ISA). To analyze the structure of the vegetation, we calculated the classical phytosociological parameters, besides diameter and height distribution. We compared the structural variables through Kruskal-Wallis test and retrospectively a Dunn test. In the total sampling, we registered 1,561 individuals (230 in INT, 588 in BP and 743 in BC), identified in 42 botanical families, 87 genera and 162 species (78 in INT, 87 in BP and 89 in BC). Families with greater richness were Myrtaceae, Fabaceae, Lauraceae, Rubiaceae, Melastomataceae and Annonaceae. The results showed that the sections have high diversity, well above the standard normally found in the literature, with a low floristic similarity. In general, the vegetation structure was characterized by a higher number of thin and small individuals. The sections have different environments, each with different historical use, environmental variability and types of disturbances, these factors possibly were the main constraints that influenced the floristic-structural patterns of natural regeneration in the sampled community. The information from this study showed the importance of RPPN Fazenda Fartura for the conservation of the Atlantic Forest, as well as the need for more studies to be performed in a spatiotemporal scale.
6

Din?mica da comunidade arb?rea em fitofisionomias de cerrado e floresta estacional semidecidual em Curvelo ? MG

Silva, Leovandes Soares da 19 August 2016 (has links)
?rea de concentra??o: Recursos florestais. / Submitted by Jos? Henrique Henrique (jose.neves@ufvjm.edu.br) on 2017-05-02T18:26:46Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) leovandes_soares_silva.pdf: 1592286 bytes, checksum: a9c99e41f48e73da3e46cf15e2ab8f11 (MD5) / Approved for entry into archive by Rodrigo Martins Cruz (rodrigo.cruz@ufvjm.edu.br) on 2017-05-16T19:49:18Z (GMT) No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) leovandes_soares_silva.pdf: 1592286 bytes, checksum: a9c99e41f48e73da3e46cf15e2ab8f11 (MD5) / Made available in DSpace on 2017-05-16T19:49:18Z (GMT). No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) leovandes_soares_silva.pdf: 1592286 bytes, checksum: a9c99e41f48e73da3e46cf15e2ab8f11 (MD5) Previous issue date: 2016 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior (CAPES) / Este trabalho teve como objetivo avaliar mudan?as flor?sticas e estruturais da comunidade e popula??es arb?reas em fitofisionomias de Cerrado e Floresta Estacional Semidec?dual. A ?rea de estudo se encontra situada na Fazenda Experimental do Moura, em Curvelo-MG (Cerrado stricto sensu ? CSS ? 18,84? S e 44,39? W; Cerrad?o ? CD ? 18?82?S e 44?25? W; e Floresta Estacional Semidecidual ? FES ? 18?45?S e 45? 25?W), o clima ? do tipo Aw de K?ppen e se encontra sobre substrato de Latossolos ?cidos e distr?ficos. Um primeiro invent?rio foi realizado no CSS e CD em 2010, quando foram identificados, medidos todos os indiv?duos vivos com di?metro altura do solo (DAS) ? 5,0 cm, a 0,30 m de altura do solo. J? para a FES, o primeiro invent?rio ocorreu em 2011 e foram medidos di?metros e identificados todos os indiv?duos vivos com di?metro altura do peito (DAP) ? 5,0 cm. O segundo invent?rio de todas as fitofisionomias foi realizado em 2015, foram adotados os mesmos crit?rios do invent?rio anterior, sendo remedidos os sobreviventes, registrados mortos e indiv?duos que atingiram o di?metro m?nimo de inclus?o no segundo invent?rio (recrutas) receberam placas com numera??o e foram identificados e mensurados. Em cada parcela de cada fitofisionomia foram coletados vari?veis ambientais para an?lises de correla??o de Pearson (vegeta??o e ambiente). Foram realizadas an?lises de din?mica flor?stica, estrutural e das popula??es mais abundantes, todas as esp?cies foram classificadas quanto ao status de conserva??o, densidade da madeira e dispers?o de sementes. No CSS, houve perda de uma ?nica esp?cie Zeyheria montana. As fam?lias com mais representantes Fabaceae com 13 esp?cies no primeiro invent?rio e 13 esp?cies no segundo invent?rio respectivamente, seguidos de: Bignoniaceae (6 e 5), Vochysiaceae (5 e 5) e Malpighiaceae (4 e 4), respectivamente. J? no CD, foram contabilizados (36 e 34) fam?lias, (74 e 69) g?neros (100 e 90) e esp?cies para o primeiro e segundo invent?rio nessa sequ?ncia, houve perda de 11 esp?cies e ganho de uma. As fam?lias mais representativas Fabaceae (15 e 14), Rubiaceae (8 e 8), Myrtaceae (7 e 5) e Bignoniaceae (7 e 7). Houve perda de duas fam?lias Siparunaceae e Opiliaceae. No entanto, na FES n?o houve mudan?as na riqueza de fam?lias (43), j? as esp?cies (132 e 129) perderam cinco e ganharam duas esp?cies. As fam?lias com mais esp?cies eram Fabaceae (21 e 20), Myrtaceae (14 e 12), Lauraceae e Meliaceae (9 e 9) e Rubiaceae (8 e 8), respectivamente. As taxas de mortalidade foram superiores as taxas de recrutamento nas tr?s fitofisionomias, no CSS (mortalidade de 2,13% ano-1 e recrutamento de 1,13% ano-1), seguindo essa mesma sequ?ncia para as outras fitofisionomias, no CD (8,84 e 1,18% ano-1) e FES (2,54 e 1,03% ano-1), respectivamente. Entre o primeiro e segundo invent?rio, houve acr?scimo de ?rea basal no somente no CSS. De maneira geral, os padr?es de din?mica foram mais acelerados nas popula??es do CD, onde visualmente os dist?rbios foram maiores, indicando que dependendo dos intervalos entre os dist?rbios, isso pode colocar em risco o estabelecimento de novos indiv?duos e o futuro das esp?cies. / Disserta??o (Mestrado) ? Programa de P?s-Gradua??o em Ci?ncia Florestal, Universidade Federal dos Vales do Jequitinhonha e Mucuri, 2016. / This work aimed to evaluate the floristic and structural changes at the level of community and tree populations in physiognomies of cerrado and semideciduous seasonal forest. The study area is situated on the Experimental Farm of the Moorish in Curvelo - MG (Cerrado sensu stricto ? CSS ? 18.84? S and 44.39? W; Cerrad?o ? CD ? 18? 82?S and 44? 25?? W; and semideciduous seasonal Forest ? FES - 18? 45' S and 45? 25' W, average elevation of 715 m), the climate and the type K?ppen Aw and about presence of Microaggregates substrate acidic and dystrophic. A first inventory was conducted in the CSS and CD in 2010 where they were identified, measured and estimated time, for all individuals living with (diameter 0.30 m height from the ground) (DAS) ? 5.0cm. To the FES, the first inventory occurred in 2011 and were measured diameters and identified all individuals living with diameter breast height (dbh) ? 5.0 cm. The second inventory of all physiognomies was held in 2015, and the same criteria were adopted in the previous inventory, being remeasured survivors, recorded dead and individuals who have attained the minimum diameter for inclusion in the second inventory (recruits) received plates with numbering and were identified and measured. On each plot of each phytophysiognomy, environmental variables were collected for analysis of correlation (vegetation and environment). Dynamic analyses were performed, structural and floristic most abundant populations, all species were classified as conservation status, wood density and seed dispersal. In CSS, loss of a single species Zeyheria montana. Families with more representatives Fabaceae (13 and 13), Bignoniaceae (6 and 5), Vochysiaceae (5 and 5) and Malpighiaceae (4 and 4).In the cd, accounting for families (36 and 34), genres (74 and 69) and species (100 and 90), there were 11 species loss and gain a. The most representative families fabaceae (14 and 15), rubiaceae (8 and 8), myrtaceae (7 and 5) and bignoniaceae (7 and 7). Loss of two families Siparunaceae and Opiliaceae. While in FES, don't listen to changes in family wealth (43), species (132 and 129) lost five and won two species. Families Fabaceae species (20 and 21), Myrtaceae (14 and 12), Lauraceae and Meliaceae (9 and 9) and Rubiaceae (8 and 8) respectively. Mortality rates were higher than the rates of recruitment in the three physiognomies, in CSS (2.13 and 1.13%. year-1), CD (8.84 and 1.18%. year-1) and FES (2.54 and 1.03% year-1) respectively. Mortality rates were higher than the rates of recruitment in the three physiognomies, in CSS (2.13 and 1.13%. year-1), CD (8.84 and 1.18%. year-1) and FES (2.54 and 1.03% year-1) respectively. Between the first and second inventory, there was an increase of basal area in CSS only. In General, dynamic patterns were more rapid in populations of the CD, where visually the disturbances were greater, indicating that depending on the intervals between the disturbances, it can jeopardize the establishment of new individuals and the future of the species.
7

Apocynaceae Juss. na Mata Atl?ntica do Rio Grande do Norte, Brasil

Sousa J?nior, Jaerton Carvalho de 31 August 2016 (has links)
Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2017-02-22T19:07:45Z No. of bitstreams: 1 JaertonCarvalhoDeSousaJunior_DISSERT.pdf: 6721325 bytes, checksum: 70b215dbb7cad5997d7834c35f11759b (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2017-03-06T22:50:28Z (GMT) No. of bitstreams: 1 JaertonCarvalhoDeSousaJunior_DISSERT.pdf: 6721325 bytes, checksum: 70b215dbb7cad5997d7834c35f11759b (MD5) / Made available in DSpace on 2017-03-06T22:50:28Z (GMT). No. of bitstreams: 1 JaertonCarvalhoDeSousaJunior_DISSERT.pdf: 6721325 bytes, checksum: 70b215dbb7cad5997d7834c35f11759b (MD5) Previous issue date: 2016-08-31 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior (CAPES) / O objetivo principal desse estudo foi realizar um invent?rio flor?stico taxon?mico das Apocin?ceas ocorrentes nos remanescentes de Mata Atl?ntica do Rio Grande do Norte, atrav?s de consulta aos esp?cimes depositados nos herb?rios, expedi??es de campo e descri??o em laborat?rio dos esp?cimes coletados. Foram registradas 25 esp?cies em 18 g?neros e tr?s subfam?lias. Os g?neros com maior n?mero de esp?cies foram: Ditassa R.Br (4 spp.), Aspidosperma Mart. & Zucc. e Mandevilla Lindl. (3 spp.). Os demais g?neros est?o representados por uma esp?cie cada. S?o apresentadas oito novas ocorr?ncias para a Flora do estado e seus respectivos status de conserva??o. Das novas ocorr?ncias, cinco esp?cies s?o de g?neros aqui registrados pela primeira vez no estado (Cynanchum L., Macoubea Aubl., Odontadenia Benth., Tabernaemontana L. e Temnadenia Miers). S?o apresentadas chave de identifica??o, coment?rios taxon?micos e de distribui??o geogr?fica dos g?neros e esp?cies, descri??es, ilustra??es, fotos e mapas das esp?cies encontradas na ?rea de estudo.
8

Spermacoceae (Rubiaceae) no Rio Grande do Norte, Brasil

Boeira, Tianisa Prates 31 August 2016 (has links)
Submitted by Automa??o e Estat?stica (sst@bczm.ufrn.br) on 2017-07-04T14:06:52Z No. of bitstreams: 1 TianisaPratesBoeira_DISSERT.pdf: 9182882 bytes, checksum: 8fcb0e813beef7ee99fa80896802209b (MD5) / Approved for entry into archive by Arlan Eloi Leite Silva (eloihistoriador@yahoo.com.br) on 2017-07-13T11:37:43Z (GMT) No. of bitstreams: 1 TianisaPratesBoeira_DISSERT.pdf: 9182882 bytes, checksum: 8fcb0e813beef7ee99fa80896802209b (MD5) / Made available in DSpace on 2017-07-13T11:37:43Z (GMT). No. of bitstreams: 1 TianisaPratesBoeira_DISSERT.pdf: 9182882 bytes, checksum: 8fcb0e813beef7ee99fa80896802209b (MD5) Previous issue date: 2016-08-31 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior (CAPES) / Rubiaceae ? a quarta fam?lia mais representativa em n?mero de esp?cies dentre as Angiospermas, com 13.526 esp?cies em 620 g?neros. No Brasil, a fam?lia ? representada por 1.375 esp?cies, sendo 389 ocorrentes no Nordeste. A tribo Spermacoceae apresenta distribui??o pantropical e ? caracterizada por plantas predominantemente herb?ceas com est?pulas fimbriadas e flores geralmente tetr?meras, representadas no Brasil por 217 esp?cies em 17 g?neros. O presente estudo teve como objetivo o estudo taxon?mico das Spermacoceae no Rio Grande do Norte (RN), a fim de contribuir para o conhecimento sobre a flora do estado, bem como auxiliar na identifica??o correta das esp?cies do grupo, as quais s?o facilmente confundidas morfologicamente, mesmo ao n?vel de g?nero. Para este estudo, foram realizadas expedi??es cient?ficas a campo, para coleta e observa??o das Spermacoceae, em ?reas de Mata Atl?ntica e Caatinga do estado, seguidas de identifica??o e descri??o das esp?cies coletadas e depositadas em herb?rios. Foram encontradas 24 esp?cies e oito g?neros. Os g?neros mais representativos foram Borreria (8 spp.), Mitracarpus (6 spp.) e Hexasepalum (4 spp.); os demais: Oldenlandia (2 spp.) e Leptoscela, Richardia, Spermacoce e Staelia com apenas uma esp?cie cada. Seis esp?cies s?o registradas pela primeira vez para a flora do Rio Grande do Norte: Borreria ocymifolia, Mitracarpus baturitensis, M. hirtus, M. longicalyx, Oldenlandia corymbosa e Staelia virgata. S?o apresentadas descri??es, ilustra??es, chave de identifica??o e dados acerca do h?bitat, fenologia e distribui??o geogr?fica das esp?cies. / Rubiaceae is the fourth largest family of Angiosperms, with 13.526 species and 620 genera. In Brazil, the family is represented by 1.375 species, of which 389 occurs in the Northeast region. The Spermacoceae is a tribe with pantropical distribution pattern, characterized by predominantly herbaceous plants with fimbriate stipules and flowers usually tetramerous, represented in Brazil by 217 species and 17 genera. This study aimed the taxonomic survey of the Spermacoceae in Rio Grande do Norte (RN), in order to contribute to the knowledge of the flora, as well as offer support to the correct identification of this group's species, which are easily confused due to the morphological resemblance, even at the generic level. For this study, field expeditions were made to collect and observe the Spermacoceae in areas of the Atlantic Forest and Caatinga in the state, followed by the identification, description of the specimens and further incorporation in herbaria. Were registred 24 species and eight genera. The most species-rich genera were Borreria (8 spp.), Mitracarpus (6 spp.) and Hexasepalum (4 spp.); Oldenlandia (2 spp.) each and Leptoscela, Richardia, Spermacoce e Staelia had only one species each. Six species are new records for the flora of Rio Grande do Norte: Borreria ocymifolia, Mitracarpus baturitensis, M. hirtus, M. longicalyx, Oldenlandia corymbosa e Staelia virgata. Descriptions, illustrations, identification key, habitat data, fenology and distribution of the species are presented.
9

A fam?lia Asteraceae na Serra Geral de Lic?nio de Almeida, Bahia, Brasil

Santana, Fernanda Afonso 22 March 2013 (has links)
Submitted by Luis Ricardo Andrade da Silva (lrasilva@uefs.br) on 2016-01-20T23:04:34Z No. of bitstreams: 1 Mestrado.Bot?nica.pdf: 77014571 bytes, checksum: e823b55239db9b7f35340f49cc671b93 (MD5) / Made available in DSpace on 2016-01-20T23:04:34Z (GMT). No. of bitstreams: 1 Mestrado.Bot?nica.pdf: 77014571 bytes, checksum: e823b55239db9b7f35340f49cc671b93 (MD5) Previous issue date: 2013-03-22 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior - CAPES / Serra Geral de Lic?nio de Almeida (SGLA) is located in the central portion of the Espinha?o range, a region with no floristic studies. This paper presents the inventory of Asteraceae for the SGLA. Samples were collected in six bimonthly field trips (2011-2012) and the collected materials are inserted at HUEFS Herbarium. The results are presented in the checklist of the species, keys to tribes and species, followed by comments, aspects of reproductive phenology and geographical distribution of each species. Eighty-three species and 38 genera were found, represented in 12 tribes of Asteraceae. Of these, 13 are new records for Bahia state (Aldama oblongifolia, Aldama bracteata, Aspilia eglerii, Aspilia floribunda, Dasyphyllum vagans, Eremanthus polycephalus, Gochnatia discolor, Lychnophora ramosissima, Lepidaploa barbata, Lessingianthus laevigatus, Lessingianthus psilophyllus, Mikania obtusata e Proteopsis argentea) and two are new species to science (Lychnophora sp. 1 and Anteremanthus sp. nov.). The most representative tribe was Vernonieae (36 spp.), followed by Eupatorieae (17 spp.) and Heliantheae (8 spp.). The genera with the largest number of species were Lessingianthus (eight spp.), followed by Lepidaploa, Vernonanthura and Gochnatia, with five species each. A map of the study area with the respective collection sites and unpublished illustrations of Agrianthus myrtoides, Aspilia floribunda, Anteremanthus sp. nov., Chresta harleyi, Gochnatia densicephala, Lychnophora sp. 1 and Stomatanthes polycephalus are included as part of the results. / A Serra Geral de Lic?nio de Almeida (SGLA) est? localizada na por??o central da Cadeia do Espinha?o, regi?o carente em pesquisas bot?nicas. Neste trabalho ? apresentado um levantamento flor?stico da flora de Asteraceae para a SGLA. As coletas foram realizadas atrav?s de seis viagens bimestrais (2011-2012) ao campo e o material coletado encontra-se inserido no Herb?rio HUEFS. Os resultados s?o apresentados atrav?s do checklist das esp?cies, chaves de tribos e de esp?cies, seguido de coment?rios diagn?sticos, aspectos da fenologia reprodutiva e distribui??o geogr?fica de cada t?xon. Foram encontrados 12 tribos, 38 g?neros e 82 esp?cies. Destas, 13 s?o novas ocorr?ncias para o estado da Bahia (Aldama oblongifolia, Aldama bracteata, Aspilia eglerii, Aspilia floribunda, Dasyphyllum vagans, Eremanthus polycephalus, Gochnatia discolor, Lychnophora ramosissima, Lepidaploa barbata, Lessingianthus laevigatus, Lessingianthus psilophyllus, Mikania obtusata e Proteopsis argentea) e duas s?o esp?cies novas para a ci?ncia (Lychnophora sp. 1 e Anteremanthus sp. nov.). A tribo mais representativa foi Vernonieae (36 spp.), seguida de Eupatorieae (17 spp.) e Heliantheae (oito spp.). O g?nero com maior n?mero de esp?cies foi Lessingianthus (oito spp.), seguido de Lepidaploa, Vernonanthura e Gochnatia, com cinco esp?cies cada. Como parte dos dados ? inclu?do o mapa da ?rea de estudo e as respectivas localidades de coleta, al?m das ilustra??es in?ditas de Agrianthus myrtoides, Aspilia floribunda, Anteremanthus sp. nov., Chresta harleyi, Gochnatia densicephala, Lychnophora sp. 1. e Stomatanthes polycephalus.
10

Compara??o flor?stica e diversidade das ?reas core de savanas ?cerrado? e disjun??es do leste da Bahia, Brasil

Reis, Alessandra Terezinha Chaves Cotrim 17 November 2014 (has links)
Submitted by Ricardo Cedraz Duque Moliterno (ricardo.moliterno@uefs.br) on 2016-01-25T21:49:47Z No. of bitstreams: 1 TESE_Alessandra Cotrim.pdf: 9069866 bytes, checksum: 892f9788ca4b0cbbf4794de6292ed4d2 (MD5) / Made available in DSpace on 2016-01-25T21:49:47Z (GMT). No. of bitstreams: 1 TESE_Alessandra Cotrim.pdf: 9069866 bytes, checksum: 892f9788ca4b0cbbf4794de6292ed4d2 (MD5) Previous issue date: 2014-11-17 / This paper aims to study the floristic of areas of Brazilian Savannas in state of Bahia and compares them to the physiognomies present in Coastal Plain in east of Bahia which are considered disjoint cerrado. The methodology of this work consisted of establish five sampling areas in the state of Bahia: 1) Savanna physiognomy in the west of Bahia; 2) In the Chapada Diamantina; 3) In the Coastal Plain; 4) Restinga in the northern littoral of Bahia; 5) Restinga in the southern littoral of Bahia. The sampling areas were performed using the point centered quarter method, being in each area were sampled 100 points 20m far between distributed in 10 transects with 10 points each, considering the degree of conservation in each study area. All woody individuals with DBH ? 3 cm closer to each point were sampled in that survey totaling 400 individuals per area. A sum of 2.000 individuals were sampled. The Shannon index (H') was used to estimate the diversity of each area. The Jaccard index of similarity (cluster method) was used to determine the floristic similarity between transects and study areas. Were sampled 78 species in the Western Savanna formations distributed in 31 families; estimated the diversity by the Shannon index H' = 3,61 to 3,93; 68 species in the Chapada Diamantina Savanna formations distributed in 30 families and estimated the diversity by the Shannon index between 3,49 to 3,45; 83 species in Coastal Plains distributed in 38 families wich estimated the diversity by H? = 3,46 to 3,89; 73 and 69 species in the restingas in the Northern and Southern littoral distributed in 36 and 33 families; estimated the diversity by the Shannon index H'=3,61 to 3,97 and H? = 3,68 to 3,85. Cluster analysis indicated that the floristic similarity found between coastal plain in the east of the State of Bahia and restinga formations (coast) indicating floristic relationship between the areas. The Savanna formations in the west of Bahia and Chapada Diamantina presented 30% of similarity. There by the analysis of this work showed more evident relationship of the floristic in Coastal Plains to the Atlantic forest physiognomy therefore these areas should be treated as Atlantic forest physiognomy related including all legal aspects of conservation and forest management provided by law n? 11.428/2006 and resolutions of CONAMA. / Este trabalho teve por objetivo determinar e comparar flor?sticamente as ?reas de Savanas encontradas na Bahia e compar?-las ?s fisionomias encontradas sobre os Tabuleiros Costeiros no Leste da Bahia, consideradas ?reas de Cerrado disjuntos. Para condu??o do trabalho foram estabelecidas cinco ?reas de amostragens na Bahia, sendo: 1) fisionomias Sav?nicas localizados na regi?o Oeste; 2) na Chapada Diamantina; 3) nos Tabuleiros Costeiros; 4) Restingas noLitoral Norte; 5) Restingas do LitoralSul. A amostragem nas ?reas foram realizadas atrav?s do m?todo de pontos-quadrantes, sendo alocados em cada ?rea amostral 100 pontos equidistantes em 20 m, distribu?dos em 10 transec??es, com 10 pontos cada, respeitando-se o grau de conserva??o de cada ?rea estudada. Em cada quadrante, foram amostrados os indiv?duos lenhosos com DAS ?3 cm, mais pr?ximos de cada ponto, perfazendo um total de 400 indiv?duos por ?rea, perfazendo um total de 2.000 indiv?duos amostrados. A diversidade de cada ?rea analisada foi estimada pelos ?ndices de Shannon-Wiener(H?). Para determina??o da similaridade flor?stica entre as ?reas estudadas foram realizadas an?lises de agrupamentos a partir do ?ndice de similaridade de Jaccard (J). Nas fisionomias sav?nicas da regi?o Oeste do Estado foram amostradas78 esp?cies, distribu?das em 31 fam?lias; a diversidade estimada pelo ?ndice de H? = 3,61 a 3,93; nas fisionomias sav?nicasda Chapada Diamantina 68 esp?cies, distribu?das em 30fam?lias, a diversidade estimada pelo ?ndice de Shannon-Wiener (H?) variou de 3,49 a 3,45; para os Tabuleiros Costeiros 83 esp?cies, distribu?das em 38 fam?lias, a diversidade estimada pelo ?ndice H? = 3,46 a 3,89; para as Restingas do Litoral Norte e Sul, obteve-se respectivamente, 73 e 69 esp?cies distribu?das em 36 e 33 fam?lias, a diversidade estimada pelo ?ndice de Shannon-Wienervariou deH? = 3,61 a 3,97 e H? = 3,68 a 3,85,respectivamente. As an?lises de agrupamento apontaram similaridades flor?sticas entre os Tabulerios Costeiros no Leste do Estado com as fisionomias de restingas (no Litoral), indicando rela??o flor?stica entre as ?reas.J?as fisionomias sav?nicas do Oeste e da Chapada Diamantinaapresentaram 30% de similaridade. Assim, pelas an?lises deste estudo evidenciou-se uma maior rela??o flor?stica dos Tabuleiros com as fisionomias de Mata Atl?ntica, portanto, estas ?reas devem ser tratadas como fisionomias relacionadas a Mata Atl?ntica, inclusive quanto aos aspectos legais de conserva??o e manejo, previstos na Lei n? 11.428/2006 e Resolu??es do CONAMA.

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