Buscar
Itens para a visualização no momento 1-10 of 20
Alteração nas características físico-químicas e biológicas da água com a introdução da atividade de silvicultura de eucalipto em microbacias na região do Pampa - RS
(Universidade Federal de Santa Maria, 2013-04-23)
This study was conducted in order to investigate possible changes in the quality characteristics of the water resources, with the introduction of eucalyptus afforestation to replace the traditional use of the Pampa biome, ...
Análise nutriconal de mudas de Apuleia leiocarpa (Vogel) J. F. Macbr. em diferentes doses de N, P e K
(Universidade Federal de Santa Maria, 2013-02-18)
Apuleia leiocarpa (grápia) is a native forest species with wide distribution in Brazil as well as in neighboring countries such as Argentina, Bolivia, Paraguay, Peru and Uruguay, inhabiting preferentially hillsides. The ...
Germinação e multiplicação in vitro de grápia (Apuleia leiocarpa (Vogel) J. F. Macbr.)
(Universidade Federal de Santa Maria, 2013-03-01)
The objective of this study was to evaluate the in vitro germination and multiplication of grapia for plantlet production and conservation of selected genotypes. For in vitro establishment, three concentrations (0; 2.5 and ...
Efeitos do pastoreio sobre a vegetação natural em fragmento de Savana Estépica Parque, Rio Grande do Sul, Brasil
(Universidade Federal de Santa Maria, 2013-02-28)
Despite occupying a prominent place in the southern flora, the region belonging to the State Park Espinilho inserted within Steppe Savanna Park domains still is poorly investigated by science. Vegetation characteristics ...
Caracterização e modelagem do crescimento da copa e do incremento de árvores isoladas de Cedrela fissillis Vell.
(Universidade Federal de Santa Maria, 2013-03-01)
On the growth evaluation of the open-grown trees was selected 57 samples, of which were
mensuration many morphometric variables from digital photographs in software AutoCAD and
dendrometrics variables in bole increment ...
Propriedades tecnológicas da madeira de Tetrorchidium rubrivenium Poeppig & Endlicher
(Universidade Federal de Santa Maria, 2013-02-28)
This work aims to describe the wood anatomy, study the physical characteristics and verify its variation along the tree height, and determine the mechanical properties of Tetrorchidium rubrivenium (Euphorbiaceae) wood, to ...
Caracterização de postes de madeira para uso na rede elétrica
(Universidade Federal de Santa Maria, 2013-02-06)
Wood poles used in electrical lines were from Eucalyptus species. These poles should present adequate mechanical characteristics in order to ensure the security and structure of electrical lines. Wood poles should be treated ...
O gênero Butia (Becc.) Becc. (Arecaceae) no Rio Grande do Sul com ênfase nos aspectos ecológicos e silviculturais de Butia yatay (Mart.) Becc. e Butia witeckii K. Soares & S. Longhi
(Universidade Federal de Santa Maria, 2013-02-28)
The aim of this work was show two studies. The first one consisted of a survey on indigenous Butia from Rio Grande do Sul. Through observations of morphological characteristics, eight species were recognized (B. catarinensis ...
Compactação do solo causada pelos tratores florestais harvester e forwarder na colheita de Pinus taeda L.
(Universidade Federal de Santa Maria, 2013-02-28)
Soil compaction has been becoming one of the main impacts caused by the activities of mechanized harvesting. The weight and movement of machines at the time of cutting and loading of timber combined with the not appropriate ...
Cultivo in vitro de Peltophorum dubium (Sprengel) Taubert: multiplicação, senescência foliar e calogênese
(Universidade Federal de Santa Maria, 2013-02-20)
Peltophorum dubium (Sprengel) Taubert is a native forest species with many possible uses, with great potential for commercial plantations. However, there is little information on the production of seedlings of this species, ...