TY - RPRT TI - Net carbon exchange across the Arctic tundra-boreal forest transition in Alaska 1981-2000 AU - Catharine Copass Thompson AU - A. D. McGuire AU - Joy S. Clein AU - F. S. Chapin AU - J. Beringer PY - 2006 DO - 10.1007/s11027-005-9016-3 UR - https://pubs.usgs.gov/publication/70028425 ID - 70028425 ER -