The Role of Microbial Community Composition in Controlling Soil Respiration Responses to Temperature.

ABSTRACT: Rising global temperatures may increase the rates of soil organic matter decomposition by heterotrophic microorganisms, potentially accelerating climate change further by releasing additional carbon dioxide (CO2) to the atmosphere. However, the possibility that microbial community responses to prolonged warming may modify the temperature sensitivity of soil respiration creates large uncertainty in the strength of this positive feedback. Both compensatory responses (decreasing temperature sensitivity of soil respiration in the long-term) and enhancing responses (increasing temperature sensitivity) have been reported, but the mechanisms underlying these responses are poorly understood. In this study, microbial biomass, community structure and the activities of dehydrogenase and β-glucosidase

SUBMITTER: Auffret MD 

PROVIDER: S-EPMC5087920 | biostudies-literature | 2016

REPOSITORIES: biostudies-literature