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.

Submitted by Sandra Pereira (srpereira@ufrrj.br) on 2017-08-18T14:34:19Z No. of bitstreams: 1 2010 - Joana Farias dos Santos.pdf: 22299426 bytes, checksum: 81d0ca2bff111fd3e0327131ba752062 (MD5) / Made available in DSpace on 2017-08-18T14:34:19Z (GMT). No. of bitstreams: 1 2010 - Joana Farias dos Santos.pdf: 22299426 bytes, checksum: 81d0ca2bff111fd3e0327131ba752062 (MD5) Previous issue date: 2010-12-22 / Programa de Capacita??o da Universidade do Estado da Bahia, PAC - UNEB, Brasil. / Reclaimed areas constitute ecosystems where soil and part of subsoil were suppressed. They show minimal resilience levels and need antropogenic interference for rehabilitation in the regional context. In this study it was evaluated 5 reforestations with different species and functional properties (treatments) after a lapse of 13-years. In chapter 1 it was evaluated the development, horizontal structure and floristic composition of shrubby-arboreal stratum. In chapter 2 understory spontaneous regeneration and in chapter 3 similarity of floristic composition between rehabilitation and a spontaneous restored area (~ 40 years old) were determined. At reforestation sites with five different groups of species, floristic composition increased from 12 to 23 species, distributed on 12 families and 276 individuals, where Fabaceae was the major family. For spontaneous regeneration 3.554 individuals were surveyed (1.438 on winter and 2.116 at summer) and the most representative families were Asteraceae and Poaceae. At the restoration site, it was observed 967 individuals from spontaneous regeneration, and the most representative families were Asteraceae and Sapindaceae, showing that there is low similarity between rehabilitation and restoration environments. All treatments displayed advances in the environmental sustainability, but two combinations of species had different performances in the rehabilitation of the reclaimed areas. / ?reas de empr?stimo constituem ecossistemas onde o solo e partes do subsolo foram suprimidas. Elas apresentam n?veis m?nimos de resili?ncia, necessitando de interven??es antr?picas para sua reabilita??o ao contexto regional. Neste estudo se avaliaram 5 reflorestamentos com esp?cies e propriedades funcionais diferentes (tratamentos), seus desempenhos e sustentabilidade ambiental depois de transcorridos 13 anos. No Cap?tulo I foram avaliados o desenvolvimento, a estrutura horizontal e a composi??o flor?stica do estrato arb?reo-arbustivo. No Cap?tulo II, a regenera??o espont?nea nos sub-bosques e no Cap?tulo III, a similaridade entre composi??es flor?sticas de ?reas em reabilita??o e em restaura??o espont?nea, com aproximadamente 40 anos. Nos reflorestamentos com 5 diferentes conjuntos de esp?cies, a composi??o flor?stica aumentou de 12 para 23 esp?cies, distribu?das em 12 fam?lias e 276 indiv?duos, sendo a Fabaceae a principal fam?lia. Foram encontrados 3.554 indiv?duos regenerantes (1.438 no inverno e 2.116 no ver?o) e as fam?lias bot?nicas mais representativas foram Asteraceae e Poaceae. Na ?rea em restaura??o, foram observados 967 indiv?duos regenerantes e as fam?lias Asteraceae e Sapindaceae tiveram maior representa??o, evidenciando que h? pequena similaridade entre esp?cies de ambientes em reabilita??o e restaura??o. Todos os tratamentos demonstraram avan?os na sustentabilidade ambiental, por?m duas combina??es de esp?cies se diferenciaram no desempenho da reabilita??o de ?reas de empr?stimo.