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Itens para a visualização no momento 11-20 of 46
Rizogênese in vitro e ex vitro em Peltophorum dubium (Sprengel) Taubert
(Universidade Federal de Santa Maria, 2014-02-28)
Peltophorum dubium is native forest species of Brazil endowed with ecological importance for the recovery of degraded areas and economical for timber purposes. The seeds of this species have low and irregular germination ...
Recomendação de fertilizantes para Eucalyptus saligna Sm. com base no balanço nutricional na região de Guaíba - RS
(Universidade Federal de Santa Maria, 2014-08-29)
This research conducted in different ages of Eucalyptus saligna Sm. stands in the region of Guaíba - RS, had as objectives: to estimate and model the biomass production; to estimate the nutrients stock and calibrate a ...
Análise econômica da cadeia produtiva do carvão vegetal em municípios do Vale do Taquari e Caí, RS
(Universidade Federal de Santa Maria, 2014-02-27)
In the present study aimed to analyze economically the productive chain of charcoal in cities of Taquari and Caí Valley, Rio Grande do Sul. The region covered the cities of Brochier, Maratá, Paverama and Poço das Antas. ...
Indicadores de fragilidade à erosão no apoio à definição de áreas de preservação permanente em rios
(Universidade Federal de Santa Maria, 2014-02-28)
The protection of watercourses is motivated by legal instruments establishing permanent preservation areas (PPAs) along them, being defined from the width of the waterway. However, it is believed that there are other factors ...
Influência da disponibilidade hídrica e do preparo do solo no crescimento de Pinus elliottii Engelm. cultivado em neossolo quartzarênico
(Universidade Federal de Santa Maria, 2014-02-26)
The establishment of forest stands on degraded sandy soils environments presents challenges related to low fertility and drought. The objective of this study was to evaluate the growth of young plants of Pinus elliottii ...
Influência da resolução espacial do pixel na aplicação do modelo de simulação SWAT na bacia hidrografica do rio Guaporé, RS.
(Universidade Federal de Santa Maria, 2014-08-14)
Today we know the need to preserve environmental resources, which include soils and hydrology. Estimates of water loss and soil erosion are held in different countries, using empirical or conceptual models such as SWAT ...
Geoestatística aplicada a caracterização da distribuição espacial de espécies arbóreas em floresta ombrófila mista
(Universidade Federal de Santa Maria, 2014-02-21)
This work aimed to apply geostatistical analysis to verify the existence of spatial dependence in the distribution of arboreal species, and variables related on parcels installed in the National Forest of São Francisco de ...
Sementes e miniestaquia em Nectandra megapotamica (Spreng.) Mez. e sementes e micropropação em Handroanthus chrysotrichus (MART. ex DC.) J. Mattos
(Universidade Federal de Santa Maria, 2014-12-22)
Nectandra megapotamica (Spreng.) Mez. and Handroanthus chrysotrichus (Mart. ex DC.) J. Mattos are Brazilian native species that have great economic importance, ecological, silvicultural and ornamental. However, there is ...
A sucessão secundária na floresta estacional subtropical do Rio Grande do Sul, Brasil
(Universidade Federal de Santa Maria, 2014-02-28)
The subtropical seasonal forests located on the brazilian southern plateau (BSP) of Rio
Grande do Sul state (Brazil) represent an extension from the Misiones province flora,
considered one of the most threatened ecosystems ...
Fitossociologia do compartimento arbóreo da mata ribeirinha no rio Vacacaí, Rio Grande do Sul, Brasil
(Universidade Federal de Santa Maria, 2014-02-24)
The present study aimed to analyze the tree compartment of the riverside forest in Vacacaí river and investigate the relationship between the species and the characteristics of soil and topographic variables in an environmental ...