Contrasting methanotrophic communities between upland and polygonal tundra and their link to nitrogen metabolism and methane uptake in the Western Canadian Arctic

We received financial support from the Research Council of Finland project MUFFIN (no. 332196, grant to C·V.), the project MOMENT (no. 03F0931A) funded by the German Federal Ministry of Education and Research (BMBF), the Canada Research Chair (CRC-2018-00259) and the NSERC Discovery Grants program (DGPIN-2018-05743, both awarded to O·S.), the European Research Council Starting Grant COLDSPOT (no. 101163177, grant to C·V.), the Canada Foundation for Innovation project Changing Arctic Network (CANet, grant no. 33661), the flagship program of the Atmosphere and Climate Competence Center (ACCC, grant no. 337550), the Research Council of Finland projects PANDA (no. 317054) and Thaw-N (no. 349503, both awarded to M.E.M), and project NitroBiome (no. 342362, grant to H.M.P·S.), as well as the Global Water Futures project Northern Water Futures, the Polar Continental Shelf Program (608–20, 602–21), ArcticNet – a Network of Centres of Excellence Canada (grant no. P216), the Finnish Cultural Foundation (no. 00241033, grant to T.S.), and Western AG through supply of PRS© probes (grant to C·V.).