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Thesis (Ph.D.) in Marine Biology--University of Maine, 2005. / Includes vita. Includes bibliographical references (leaves 116-168).

Thesis--University of Wisconsin--Madison. / Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 120-135).

Thesis (Ph. D.)--University of Wisconsin--Madison, 1966. / Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references.

Theses (M.S.)--Marshall University, 2006. / Title from document title page. Includes abstract. Document formatted into pages: contains x, 90 p. including illustrations. Bibliography: p. 58-70.

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Thesis (PH. D.)--University of Chicago, 1918. / "Private edition, distributed by the University of Chicago Libraries, Chicago, Illinois." "Reprinted from the Botanical gazette, Vol. LXVI, No. 3, September 1918." "Literature cited": p. 266-267.

No description available.

Resumo: Na maioria das vezes, os solos das áreas degradadas apresentam níveis baixos de nutrientes e com características físico-químicas diferenciadas, quando comparadas ao solo original. Portanto, o êxito inicial na recuperação de um ecossistema degradado depende das práticas de manejo a serem efetuadas no sítio e de espécies da flora regional, dando início desta forma, ao restabelecimento dos processos ecológicos. Este estudo compreende uma avaliação das intervenções técnicas de manejo na melhora das propriedades físico-químicas do solo e crescimento da vegetação em área minerada de bauxita, sendo desenvolvido entre os meses de abril/00 a set/04. O projeto de pesquisa foi desenvolvido em área de extração de bauxita, localizada na Cia Geral de Minas, empresa do Grupo Alcoa, no planalto de Poços de Caldas (Minas de Campo: Morro das árvores). Os objetivos do trabalho foram verificar o efeito da subsolagem, da adição da camada superficial do solo topsoil, da correção da fertilidade do solo e da adubação verde na recuperação de área degradada, avaliada a partir da performance do crescimento e desenvolvimento de espécies arbóreas da flora regional implantada, decorrente da sua interação com as intervenções de manejo. O solo é uma associação de Cambissolos/Neossolos. Posteriormente à instalação do experimento, foi semeado a lanço um coquetel de propágulos de adubo verde de inverno e imcorporado no solo 126 dias depois do plantio. Foi utilizado delineamento experimental de blocos ao acaso com parcelas subdivididas: as parcelas (A) receberam os tratamentos primários (com e sem subsolagem) e as subparcelas (B) os tratamentos secundários, que se constituiu em: T com calagem, sem fertilização, com semeadura direta, mais adição de serapilheira (28Kg); F fertilização mineral e calagem com posterior plantio das 18 espécies arbóreas nativas...(Resumo completo, clicar acesso eletrônico abaixo) / Almost always, damaged soil areas present low levels of nutrients and diferentiated physical-chemical characteristics when compared with the original soils. Therefore, the recuperation initial success of damaged ecosystem depends on management practices to be done at the site and species of the regional flora, thus beginning the reestablishment of ecological processes. This study involves an evaluation of management techniques for the improvement of physical-chemical properties of the soil and vegetation growth in a bauxite mine area, developed from April 2000, to September 2004. The research project was carried out in a bauxite extraction area, placed at Cia Geral of Minas, enterprise of the ALCOA Group in Poços de Caldas. The aims of the study were to verify the effect of the deep plowing, the topsoil, the correction of the soil fertility, and the green manure in the recovering of the degraded areas, evaluated by the growth and arboreal species development of the regional flora, as a function of the interaction with the soil management procedures. The soil is an association of Dystrochrepts/Udorthents. An experimental design of random blocs with split plot was adopted in which the main plots comprised both treatments, with and without deep plowing, and the secondary, as follows: T with liming, non fertilizer application, with direct sowing plus addition of litter (28 kg) for subplot; F mineral fertilization and liming after planting of 18 arboreal species of regional flora; L treatment F plus summer green manure and mixed sowing with some arboreal species of the regional flora; C- treatment F plus topsoil replacement. The survival, height, individual diameter at soil level were verified twelve and twenty-four months after seedlings planting, and the canopy area after 18 months. The results allowed the conclusion that the initial success in the recovery damaged ecosystem...(Complete abstract click electronic access below) / Orientador: Osvaldo Aulino da Silva / Coorientador: José Carlos Casagrande / Banca: Francisco Manoel de Souza Braga / Banca: Lilian Casatti / Banca: Katharina E. Esteves / Banca: Rosana Mazzoni / Banca: Leandro Muller Gomiero / Doutor