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Levantamento populacional da entomofauna em plantios de Eucalyptus spp.
(Universidade Federal de Santa Maria, 2010-01-29)
The cultivation of eucalipto has become an important economic activity in Brazil, due to its rapid growth, productive capacity, adaptability to different environments and great diversity of species, thus meeting the various ...
Mecanismos de regeneração natural e estrutura populacional de três espécies arbóreas em remanescente de floresta ombrófila mista, Rio Grande do Sul
(Universidade Federal de Santa Maria, 2010-03-15)
The ecology of regeneration and population dynamics is necessary information to the conservation and management of forest ecosystems. Thus, this study aimed to characterize: a) the mechanisms of natural regeneration in a ...
Relação solo-fitossociologia em um remanescente de floresta estacional decidual
(Universidade Federal de Santa Maria, 2010-07-30)
The study aimed at evaluating tree and shrub vegetation concerning the slope of the soil in Seasonal Deciduous Forest. The vegetation assessment was conducted in 14 plots
systematically distributed in the forest and divided ...
Propagação in vitro e ex vitro de louro-pardo (Cordia trichotoma (Vell.) Arrabida ex Steudel)
(Universidade Federal de Santa Maria, 2010-03-01)
Although the louro-pardo (Cordia trichotoma Vell.) is native forest specie with high timber potential, there are
still scarce studies that approach the production of seedlings of this species by vegetative propagation. ...
Germinação, estabelecimento, regeneração e calogênese in vitro em explantes de açoita-cavalo (Luehea divaricata Mart. & Zucc.)
(Universidade Federal de Santa Maria, 2010-02-26)
The advance of biotechnology in forestry has favored techniques of in vitro propagation of species that present difficulties in reproduction by sexual seeds. Luehea divaricata Mart. & Zucc, a member of the Malvaceae family, ...
Efeito da retificação térmica nas propriedades físico-mecânicas e biológica das madeiras de Pinus taeda e Eucalyptus grandis
(Universidade Federal de Santa Maria, 2010-03-04)
This study investigated the effect of thermal treatment technique, used in two treatment conditions: treated wood in an autoclave and after conditioning, subject to the treatment under electric heater (combination), and ...
Caracterização florística, diversidade e correlação ambiental na Floresta Nacional de São Francisco de Paula, RS
(Universidade Federal de Santa Maria, 2010-01-18)
Populations and species are disappearing due to disturbances in the environment caused by human activities. Given the obvious risk of loss of diversity, it is increasingly necessary to take actions concerning preservation, ...
Determinação das deformações residuais longitudinais decorrentes das tensões de crescimento em Eucalyptus spp.
(Universidade Federal de Santa Maria, 2010-03-03)
This study was developed with the objective to determinate the longitudinal deformations (DRL) resulting from growth stresses in standing and living trees in different clones of Eucalyptus spp. To do this, 12 clones of 9 ...
Desenvolvimento inicial de um plantio misto de Eucalyptus urograndis e Acacia mearnsii em sistema agrossilvicultural
(Universidade Federal de Santa Maria, 2010-01-29)
Understanding the initial development in consortiated systems are vital to decide about practices to obtain a sustainable productivity, in relation to environmental resources in an agrossilvicultural site. Due to this, ...
Efeito do pastoreio de bovinos sobre a estrutura da mata ciliar do arroio espinilho em Sant`Ana do Livramento, RS, Brasil
(Universidade Federal de Santa Maria, 2010-02-22)
The present paper was carried out in two fragments of cilium Forest of Espinilho creek, located in Sant Ana do Livramento, RS state. The study was taken in a fragment of forest, without any cattle for two years, and ...