2019-08-292019-08-292017MATSUNAGA, Wendy Kaori. Atributos microbiológicos de solo, relacionados às atividades da microfauna em solo de Floresta Tropical Primária em Caxiuanã na Amazônia Oriental no ano de 2015. Orientador: Hernani José Brazão Rodrigues. 2017. 31 f. Trabalho de Curso (Bacharelado em Meteorologia) - Faculdade de Meteorologia, Instituto de Geociências, Universidade Federal do Pará, Belém, 2017. Disponível em: http://bdm.ufpa.br/jspui/handle/prefix/1750. Acesso em:.http://bdm.ufpa.br/jspui/handle/prefix/1750The Amazon has experimented more often non-standard weather patterns due to the change change in land use, through periods of flood and drought associated with climate change. The Large Scale Program of the Biosphere-Atmosphere in the Amazon (LBA) developed the ESECAFLOR experiment to calculate the effects of prolonged drought on the dynamics of tropical forests. This study evaluates how changes in soil biomass, composition and microbial activity in different levels of depth, associated to variations in soil moisture and temperature, making interesting the investigation of the effect of these processes on the properties and functions of the soil associated with the availability of water in the soil. The soil samples to perform this study were made in 2015 in different periods (rainy, transition and dry period) in the national forest of Caxiuanã. The microbiological activity of the carbon and nitrogen soil of the microbial biomass, soil basal respiration and a C: N ratio of the microbial biomass were used as indicators of the microbiological activity of the carbon and nitrogen soil. The results show that in areas with water exclusion, biomass decreases significantly, and part of the Basal Breath tends to migrate to lower soil levels where a better moisture reserve is observed. The microbiological soil attributes indicators can be used as a dependence relation with the seasonal variations of soil moisture. The observed results show that the potential of N mineralization and changes in microbiology suggest that in the rainy season there is a predominance of bacterial population and in the transition period and dry prevail the fungal populations.Acesso AbertoFlorestaAtividade MicrobianaEstresse HídricoCNPQ::CIENCIAS EXATAS E DA TERRA::GEOCIENCIAS::METEOROLOGIATrabalho de Curso - Graduação - Monografia