A 52-year-old pine forest is characterized as an environment with low plant diversity and large accumulation of allelopathic litter with poor nutrient content. Collembola is sensitive to environmental conditions and may have difficulties living in these forests. This study aimed (1) to evaluate the abundance and richness of Collembola in the soil of a 52-year-old pine afforestation with different moisture conte...
O cobre em excesso no solo provoca graves problemas ambientais. Este problema é maior quando o solo apresenta textura arenosa o que favorece a disponibilidade do metal aumentando os riscos aos organismos do solo. O objetivo deste estudo foi avaliar o efeito toxicológico do cobre em minhocas da espécie Eisenia andrei em um solo arenoso. Um solo arenoso foi coletado e adicionado de quatro doses de cobre na forma ...
Objetivou-se avaliar o efeito de diferentes usos do solo na abundância, riqueza, diversidade e atividade de organismos da fauna edáfica. A fauna do solo foi amostrada em: florestamento de Eucalyptus spp., florestamento de Pinus spp., lavoura de grãos, solo impactado pela construção civil e pastagem natural. Para a avaliação dos organismos da fauna epiedáfica empregou-se o método da armadilha de queda e para a a...
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES; The high copper level in sandy soils of the Campanha Gaúcha, resulting from the successive copper-based fungicides application, lead to environmental contamination and toxicity in cover crops and young vines. The phytoremediation is an alternative to reduce contamination of these soils, but little is known about the interaction of arbuscular m...
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior; Introduction and objectives: Arbuscular mycorrhizal fungi and vermicompost may decrease the deleterious effects of copper on plants. The goal of the present study was to evaluate the effect of inoculation with the fungus Rhizophagus clarus and the addition of grape bagasse vermicompost on phytoremediation by Canavalia ensiformis of a sandy soil with h...
The bioactive secondary metabolites of some plants are capable of stimulating the growth of ectomycorrhizal fungi. Combined with plants, these fungi provide the same conditions to grow in environments contaminated by heavy metals. We evaluated the effect of adding essential oil of Eucalyptus grandis in the growth of ectomycorrhizal isolates in the presence of copper, zinc and nickel. The ectomycorrhizal Pisolit...
The establishment of exotic forest species in Brazil may show dependence to ectomycorrhizal association, which increases the resistance of seedlings to stress after the initial planting in the field, favoring the maintenance of harshseedlings under adverse conditions. The study aimed to evaluate the effect of applying the eucalyptus essential oil in ectomycorrhizal colonization on growth of Eucalyptus gran...