Buscar
Mostrando ítems 1-10 de 801
Is the microcosm approach using meiofauna community descriptors a suitable tool for ecotoxicological studies?
(Elsevier B.V., 2018-01-01)
The usual approaches used in ecological risk assessment have been based on individual and population level standard procedures. Although these have been important tools to assess adverse effects on ecosystems, they are ...
Comparison of water availability effect on ammonia-oxidizing bacteria and archaea in microcosms of a Chilean semiarid soil
(Frontiers Research Foundation, 2012)
Water availability is the main limiting factor in arid soils; however, few studies have examined the effects of drying and rewetting on nitrifiers from these environments. The effect of water availability on the diversity ...
Survival and conjugation of Bacillus thuringiensis in a soil microcosm
(2000-03-01)
The survival and conjugation ability of sporogenic and asporogenic Bacillus thuringiensis strains were investigated in broth, in non-amended sterile clay soil monoculture and in mixed soil culture. The 75 kb pHT73 plasmid ...
Survival and conjugation of Bacillus thuringiensis in a soil microcosm
(2000-03-01)
The survival and conjugation ability of sporogenic and asporogenic Bacillus thuringiensis strains were investigated in broth, in non-amended sterile clay soil monoculture and in mixed soil culture. The 75 kb pHT73 plasmid ...
Native mycota in agricultural soils exposed to pesticides and Aspergillus oryzae tolerance to chlorpyrifos in microcosms assays
(Beijing Academy of Agriculture and Forestry Sciences, 2017-09)
Chlorpyrifos (CPF) constitutes a class of older and riskier pesticides, with more than 50 years of use. After pesticide application, a low percentage reaches the target and the rest remain in the environment. Due to this, ...
Is the microcosm approach using meiofauna community descriptors a suitable tool for ecotoxicological studies?
(Academic Press Inc Elsevier Science, 2018)
The usual approaches used in ecological risk assessment have been based on individual and population level standard procedures. Although these have been important tools to assess adverse effects on ecosystems, they are ...
Effects of Cu+2 and pH on the fitness of Ceriodaphnia dubia (Richard 1894) (Crustacea, Cladocera) in microcosm experiments
(2001)
An important disturbance of anthropogenic origin frequently occurring in freshwater ecosystems is a rise in the concentration of heavy metals in solution, among which copper stands out due to its known toxicity. However, ...
Effect of CO2 driven ocean acidification on calcification, physiology and ovarian cells of tropical sea urchin Salmacis virgulata – A microcosm approach
(Elsevier, 2021)
In the present study, we depict the structural modification of test minerals, physiological response and ovarian damage in the tropical sea urchin Salmacis virgulata using microcosm CO2 (Carbon dioxide) perturbation ...