soil metagenome Genome sequencing. soil metagenome

With respect the low mean annual temperature and high temperature sensitivity of SOC decomposition, temperate forests became the hot-spot for the topic of feedback between terrestrial carbon cycle and global warming. It was widely accepted that soil microbial community is one of the major factors influencing the temperature sensitivity of SOC decomposition. However, the relationship between temperature sensitivity of SOC decomposition and microbial community were not well documented, lacking the intensive analysis of microbial community structure and function based on the molecular genetic marker. To date, to what degree the soil microbial community can influence the temperature sensitivity of SOC decomposition and its presumed mechanism were still not known. In the present study, natural Broad-leaved Korean pine mixed forests along a latitudinal gradient from Northeast China were selected. The latitudinal patterns of temperature sensitivity of SOC decomposition in typical temperate forests would be investigated, and the environmental factors driving these patterns would be revealed. Soil microbial community structure would be analyzed by Illumina MiSeq sequencing platform, and their linkages with temperature response of SOC decomposition would be evaluated. The in-depth understanding of the microbial ecological mechanisms on temperature response of SOC decomposition, will provide the sound scientific support for evaluating the SOC mineralization potential in temperate forest ecosystem and elucidating its regulatory mechanism under the projected global warming.