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Vegetação e mecanismos de regeneração natural em diferentes ambientes da floresta ombrófila mista na flona de São Francisco de Paula, RS
(Universidade Federal de Santa Maria, 2008-06-30)
This study evaluated the phitosociology of the Mixed Rain Forest and its mechanisms of regeneration (seeding banks, seed rain and soil seed bank). The data were collected in six conglomerates, being every one subdivided ...
Propagação in vitro e ex vitro de erva-mate (Ilex paraguariensis Saint Hilaire Aquifoliaceae)
(Universidade Federal de Santa Maria, 2008-03-24)
Mate (Ilex paraguariensis) is an important species in Southern Brazil for its economical and cultural values. The present work had the objectives of analyzing the propagation of mate by cuttings, disinfection and in vitro ...
Estudo anatômico do lenho e descrição morfológica de cinco espécies sul-rio-grandenses da família Rhamnaceae
(Universidade Federal de Santa Maria, 2008-01-28)
The family Rhamnaceae is little represented in Brazil and scarcely known with regard to its wood anatomical structure. It includes species with an extraordinary habit diversity and
morphologic aspects with a tendency ...
Dinâmica da distribuição diamétrica de povoamentos de Pinus taeda L. em diferentes idades e espaçamentos
(Universidade Federal de Santa Maria, 2008-07-03)
The diameter distribution through of mathematical formulations can be a factor of importance to the planning and control of forest activities, determining the production and growth of the trees, allowing the knowledge of ...
Preparo do solo e crescimento de Eucalyptus grandis Hill ex Maiden. em argissolo
(Universidade Federal de Santa Maria, 2008-02-29)
The Eucalyptus plantation is growing fast in south Brazil due its easy clime adaptation and diverse use of its wood. The ecosystems where the expansion is going on are fragile to anthropic action implying in a need of ...
Crescimento e produção de Pinus taeda L. na região dos Campos de Cima da Serra, Rio Grande do Sul.
(Universidade Federal de Santa Maria, 2008-08-26)
This thesis was carried through as objective to study the growth and the yield of a stand of Pinus taeda L., implanted in 1987, in an initial spacing of 3 x 2
meters, located in the Farming Farm of the Ipê Ltda, in the ...
Biomassa e nutrientes no corte raso de um povoamento de Pinus taeda L. de 17 anos de idade no município de Cambará do Sul - RS
(Universidade Federal de Santa Maria, 2008-10-31)
This study was conducted in a 17 years old Pinus taeda stand in Cambará do
Sul county (RS), in a typical Haplumbrept soil, and had as objectives: to evaluate the
biomass and nutrients in the different trees components ...
Autodesbaste e diagrama de manejo da densidade em povoamentos de Pinus taeda L.
(Universidade Federal de Santa Maria, 2008-08-12)
This thesis aims at studying the efficiency of models which express the size-density relationship in even-aged stands of Pinus taeda L., handled in complete and full stock densities. For that, Reineke, Yoda, Zeide and Tang ...
Análise dos padrões florísticos e estruturais da comunidade arbórea-arbustiva e da regeneração natural em gradientes ambientais na floresta estacional, RS, Brasil
(Universidade Federal de Santa Maria, 2008-02-08)
The study was carried out in the Biological Reservation of the Ibicuí-Mirim in the county of São Martinho da Serra, central area of the State of Rio Grande do Sul, Brazil, with the main objective of evaluating the correlation ...
Nutrição, sombreamento e antagonismo biológico no controle da podridão-de-raízes da erva-mate (Ilex paraguariensis A. St.-Hill)
(Universidade Federal de Santa Maria, 2008-02-20)
The erva-mate (Ilex paraguariensis) is a species broadly cultivated in southern Brazil and neighboring countries, which leaves and fine branches prepared according to the appropriate method, make the mate or chimarrão ...