Buscar
Itens para a visualização no momento 31-40 of 130
Propriedades tecnológicas da madeira densificada de eucalipto submetida ao tratamento em óleo vegetal
(Universidade Federal de Santa Maria, 2018-12-14)
Densification is relevant in the timber industry. Since it makes it possible to increase the use of wood less valued by the market. However, densified wood shows high dimensional instability. In order to minimize this ...
Propagação vegetativa e análise da diversidade molecular em Handroanthus chrysotrichus (MART. ex DC) J. Mattos
(Universidade Federal de Santa Maria, 2019-02-21)
Considering the state of degradation of native forests, there is a growing concern about protecting the environment and sustainable production, so as not to interfere with the natural occurrence of forest resources and ...
Artrópodos associados à cultura da nogueira-pecã [Carya illinoinensis (Wangenh.) K. Koch] no Rio Grande do Sul
(Universidade Federal de Santa Maria, 2016-05-30)
In recent years there has been an increase in the area planted with Carya illinoinensis (Wangenh.) K. Koch (Junglandaceae), mainly in southern Brazil. The extent to which the cultivation of pecan growing in the country, ...
Modelagem biométrica de árvores com crescimento livre e sob competição em floresta de araucária
(Universidade Federal de Santa Maria, 2015-07-16)
This study was developed with aim of applying the modeling biometric of open-grown
trees and under competition in Araucaria Forest. Data were collected in three cities in southern
Brazil: Canoinhas (SC), Lages (SC) and ...
Novas estratégias para valorização do extrato de tanino
(Universidade Federal de Santa Maria, 2017-07-21)
In a world looking for low environmental impact products, the correct use of each biological
resource is needed. Condensable tannins are present in many natural sources and they are the
second most abundant phenolic ...
Caracterização química e atividades biológicas de extrativos obtidos de Nectandra grandiflora Nees e Ocotea lancifolia (Shott) Mez
(Universidade Federal de Santa Maria, 2016-12-19)
This study aimed to contribute to the chemical knowledge and biological potential of two native trees of the Lauraceae family from Brazil as well as to find applications for the identified extractives. This way, the ...
Artropodofauna associada às copas de Acacia mearnsii, Enterolobium contortisiliquum, Eucalyptus dunnii e Dodonaea viscosa em áreas mineradas e não minerada no Rio Grande do Sul
(Universidade Federal de Santa Maria, 2018-02-27)
The main objective of the present study was to describe the arthropod fauna associated with the upper stratum of the species Acacia mearnsii, Enterolobium contortisiliquum, Eucalyptus dunnii and Dodonaea viscosa in mined ...
Regeneração natural e relações ambientais em área de controle de Bambusa tuldoides Munro.
(Universidade Federal de Santa Maria, 2018-02-16)
Bamboos can pose risks to environmental sustainability as they form densification and cause competition, in the search for resources, with native species. Faced with this problem, bamboo control techniques can be an important ...
Dinâmica de Carapa guianensis aubl. em Floresta Amazônica submetida a tratamentos silviculturais
(Universidade Federal de Santa Maria, 2019-02-15)
This study aimed to evaluate the effect of silvicultural treatments on the structure, growth, and the
dynamics of the community and population of Carapa guianensis Aubl., after 30 years of harvesting, in
the Tapajós ...
Capacidade produtiva, estimativa de volume e biomassa em plantações de Schizolobium parahyba var. amazonicum com o uso de imagens sentinel 2
(Universidade Federal de Santa Maria, 2019-03-01)
The aim was to estimate the volume (VT) and biomass (BA) of Paricá plantations with machine learning
from the images of MSI/SENTINEL-2A, in Ulianópolis, Pará. In three productive areas (PO2, CAP2, and
PO) of the species, ...