Microbial Dynamics
Mostrando 13-24 de 128 artigos, teses e dissertações.
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13. Sistemas alagados construídos para tratamento de águas residuárias do processamento dos frutos do cafeeiro: eficiência e caracterização das comunidades microbianas / Constructed wetlands systems for wastewater treatment in the processing of coffee fruits: eficiency and characterization of microbial communities
This study aimed to evaluate the influence of ryegrass cultivation (Lolium multiflorum Lam) and the artificial aeration of the affluent in the removal of organic matter, nutrients and phenolic compounds present in the ARC, as well as the diversity of microbial communities attached to the medium (gravel) and the rhizosphere of ryegrass, using T-RFLP multiplex
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 18/11/2011
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14. ESTUDO DA DIVERSIDADE MICROBIANA EM REATOR UASB APLICADO À DEGRADAÇÃO DE AZOCORANTES / ESTUDO DA DIVERSIDADE MICROBIANA EM REATOR UASB APLICADO À DEGRADAÇÃO DE AZOCORANTES
Este estudo investigou as populações microbianas potencialmente envolvidas na degradação do corante azo Drimaren Azul HF-RL em um reator UASB operado em escala de bancada à temperatura ambiente e sob condições de alimentação distintas (por exemplo, presença e ausência de glicose e/ou extrato de levedura). Para este projeto, foram aplicadas duas di
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 05/07/2011
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15. Short-term variability of bacterioplankton in the maximum turbidity zone in the Paranaguá Bay, Southern Brazil, and its relationship with environmental variables
In this work, the density of bacterioplankton, bacterial biomass and environmental variables were monitored in two seasons (summer and winter), two times each month (spring tide and neap tide sampling), over a 12 h period, comprising a tidal cycle (semidiurnal), from subsurface and bottom waters, in a fixed station in the Estuarine Turbidity Maximum Zone (ET
Brazilian Archives of Biology and Technology. Publicado em: 2011-10
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16. In vitro antibacterial activity of some antihistaminics belonging to different groups against multi-drug resistant clinical isolates
Antihistaminics are widely used for various indications during microbial infection. Hence, this paper investigates the antimicrobial activities of 10 antihistaminics belonging to both old and new generations using multiresistant Gram-positive and Gram-negative clinical isolates. The bacteriostatic activity of antihistaminics was investigated by determining t
Brazilian Journal of Microbiology. Publicado em: 2011-09
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17. Dinâmica funcional da comunidade microbiana heterotrófica em lagoa rasa subtropical
Aquatic ecosystems float around trends in which abrupt transitions can occur between persistents regimes, alterning the viability of the resources or the physical and chemical parameters. Following this trend, communities vary in time and space as a result of their interactions with the environment and other organisms. Microbial communities are important com
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 2011
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18. Mineralização de nitrogênio e biomassa microbiana em solos de mata de galeria: efeito do gradiente topográfico.
RESUMO: A disponibilidade de nitrogênio (N) inorgânico para as plantas, geralmente, depende da taxa de mineralização da matéria orgânica. A biomassa microbiana, além de indicadora da qualidade do solo, está relacionada à disponibilização de nutrientes. Este trabalho objetivou determinar as taxas de mineralização líquida de N e o carbono da biom
Planaltina. Publicado em: 2011
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19. Program, abstracts and related documents.
The context: Soil biodiversity and sustainable agriculture; Abstracts - Theme 1: Monitoring and assessment: Bioindicators of soil health: assessment and monitoring for sustainable agriculture; Practical tools to measure soil health and their use by farmers; Biological soil quality from biomass to biodiversity - importance and resilience to management stress
Londrina: Embrapa Soybean: FAO. Publicado em: 2011
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20. Atividade e diversidade catabólica da biomassa microbiana do solo alterada pelo uso da terra / Effects of soil land use on microbial activity and catabolic diversity
The increasing demand for food creates environmental problems, mainly due to the removal of native vegetation cover for agriculture expansion in Brazil. These changes in land use leads to changes in the soil organic matter dynamics. The vegetation type also affects the soil biota and, therefore, its change causes modifications in the microbial biomass, as sh
Publicado em: 2010
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21. Quantidade e qualidade da matéria orgânica do solo em sistemas de colheita com e sem queima da cana-de-açúcar / Soil organic matter quantity and quality under burned and unburned sugarcane harvesting system
There is a trend for expansion in the area cultivated with sugarcane, mainly due to the increase in global demand for biofuels. Due to economic and legal reasons unburned sugarcane harvesting system is increasing rapidly. However, little is known about the sugarcane trash effect on carbon dynamics and stability in soils. The increase in soil carbon content c
Publicado em: 2010
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22. Bioindicadores de qualidade de solo em diferentes ecossistemas
Changes due to soil management and cultivated plant species may influence carbon, nitrogen and phosphorus cycling. Cycling depends on the integration of physical, chemical and mainly microbiological processes. This work assessed some microbial activity and processes related to carbon, nitrogen and phosphorus cycles in soil from six ecosystems in Guarapuava,
Publicado em: 2009
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23. Soil organic matter pools under management systems and natural Cerrado vegetation / Compartimentos da matéria orgânica do solo sob sistemas de manejo e vegetação natural de cerrado
Different soil organic matter pools under management systems and natural Cerrado vegetation were studied. These pools were estimated using their carbon and nitrogen contents. Total soil organic carbon and total nitrogen (COT and NT), carbon and nitrogen of particulate organic matter (COP and NP), mineral-associated organic carbon and nitrogen (COM and NM), p
Publicado em: 2009
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24. Compartimentos da matéria orgânica do solo sob sistemas de manejo e vegetação natural de cerrado / Soil organic matter pools under management systems and natural Cerrado vegetation
Different soil organic matter pools under management systems and natural Cerrado vegetation were studied. These pools were estimated using their carbon and nitrogen contents. Total soil organic carbon and total nitrogen (COT and NT), carbon and nitrogen of particulate organic matter (COP and NP), mineral-associated organic carbon and nitrogen (COM and NM), p
Publicado em: 2009