Response of soil microbial communities to forest harvest

This is a collaborative project between Drs. David Myrold and Scott Holub (Weyerhaeuser Company) that began in 2011. It is supported by Weyerhaeuser.

The objective of this project is to characterize the size and composition of the bacterial and fungal communities along with some of their key functions relating to C turnover. We hypothesize that characterization of the microbial community, in conjunction with measures of soil texture, has the potential to be indicators of C change. We further hypothesize that size and composition of the microbial community will provide insights into the mechanisms controlling C cycling activity and how it responds to harvesting.The study examines microbial community size and composition, and functional capabilities (C and N mineralization, extracellular enzyme activities). 

Graduate students: Rachel Danielson, Megan McGinnis
Undergraduate students: Carl Evans, Adam Lindsley

The project has produced the following publications:
McGinnis, M.L., S.M. Holub and D.D. Myrold. 2014. Regional assessment of soil microbial functional diversity of Douglas-fir forests. Soil Sci. Soc. Am. J. 78: S125-S135. (doi:10.2136/sssaj2013.08.0349)