Maija E. Marushchak

The paper links diurnal N2O flux patterns in thawing arctic permafrost to microbial activity, showing that denitrifier genes are transcriptionally active and drive N2O dynamics.

The paper examines microbial community composition and its impact on wintertime greenhouse gas fluxes in an oroarctic tundra ecosystem, showing that microbial activity explains GHG emissions beyond abiotic factors.

The paper shows the Arctic-Boreal Zone was an increasing CO2 sink from 2001-2020, but fire emissions offset this trend, making the region's overall sink statistically insignificant.