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Itens para a visualização no momento 11-20 of 31
Fitossociologia de comunidades arbóreas em savanas do Brasil central
(Universidade Federal de Santa Maria, 2008-02-11)
These studies were undertaken in the state of Mato Grosso, Brazil, in the area of Chapada dos Guimarães and Baixada Cuiabana, which are constituted of a high plateau and a big low plain, respectively, being limited to two ...
Estudo da paisagem da Floresta Nacional de São Francisco de Paula, RS, Brasil
(Universidade Federal de Santa Maria, 2005-07-22)
The importance of Brazilian landscapes and the destruction problem are already known. Despite, the worry expressed by the population with the landscapes destination is normally emotional and subjective. The manifestations ...
Relações biométricas em povoamentos jovens de Pinus taeda L. na Província de Corrientes, República Argentina
(Universidade Federal de Santa Maria, 2008-07-18)
This study has as objective to study the biometrical relationships in a Pinus taeda L.,
young forest located in Santo Tomé region, Corrientes, Argentina, belonging to
Bosques del Plata S.A. company. The data were collected ...
Produtividade e incremento de Cabralea canjerana (Vell.) Mart., Cedrela fissilis Vell. e Cordia trichotoma (Vell.) Arrab. ex Steud., em floresta nativa no Rio Grande do Sul
(Universidade Federal de Santa Maria, 2007-07-12)
The aim of the present study was to assess the productivity and growth rate of three native species (Cabralea canjerana, Cedrela fissilis and Cordia trichotoma), with supposedly productive and economic potential, in unmanaged ...
Crescimento de uma floresta estacional decidual, em três estágios sucessionais, no município de Santa Tereza, RS, Brasil
(Universidade Federal de Santa Maria, 2002-08-30)
The changes in the floristic composition, its phytosociological structures and
the dynamic processes of the growth as ingrowth, increment in basal area and
mortality, were studied in three successional phases of Deciduous ...
Vegetação e mecanismos de regeneração em fragmento de floresta estacional decidual ripária, Cachoeira do Sul, RS, Brasil
(Universidade Federal de Santa Maria, 2002-10-04)
Riparian forests are complex ecosystems closely associated with river dynamics and occurring under particular phytogeographic conditions. In the state of Rio Grande do Sul, these forests have been altered and fragmented ...
Anatomia e flexibilidade do caule de quatro espécies lenhosas para o manejo biotécnico de cursos de água.
(Universidade Federal de Santa Maria, 2007-07-17)
The use of vegetation is a common tool in Soil Bioengineering; the plants, in this case, must have flexible stems, among other characteristics. The present work aims to investigate the wood anatomy and the stem flexibility ...
Compactação de dois argissolos na colheita florestal de Pinus taeda L.
(Universidade Federal de Santa Maria, 2007-07-31)
The knowledge of soil damage due forest harvest is important for adequate management of soil physical conditions, to increase wood yield and decrease soil degradation. This study evaluates the influence of different ...
O gênero Achyrocline (Less.) DC. (Asteraceae: Gnaphalieae) no Brasil
(Universidade Federal de Santa Maria, 2007-12-07)
Basically neotropical, the genus Achyrocline (Less.) DC. (including Stenophalium A. Anderb.) is most closely related with genera Pseudognaphalium Kirp. and Helichrysum Mill.
Achyrocline has been considered as a separate ...
Modelos estocásticos da dinâmica da paisagem florestal e simulação de cenários para o estado do Rio Grande do Sul no período de 1988 a 2020
(Universidade Federal de Santa Maria, 2007-10-08)
Land use patterns and the potential careless use of our planet s natural resources have recently called the attention of an increasing number of studies in the area of scenario simulation in several parts of the world. The ...