Estimation of productivity in pine and oak forests in northern Portugal using Biome-BGC

Escola Superior Agraria/Instituto Politecnico de Viseu (ISPV), Estrada de Nelas, Quinta da Alagoa, Viseu 3500-606, Portugal Centre for the Research and Technology of Agro-Environmental and Biological Sciences, CITAB, Universityof Tras-os-Montes and Alto Douro, UTAD, Quinta de Prados, Vila Real 5000-801, Portugal CEABN, Instituto Superior de Agronomia, Tapada da Ajuda, Lisboa 1349-017, Portugal College of Natural Resources, North Carolina State University, Campus Box 8001, Raleigh, NC 27695-8001, USA Department of Botany, University of Wyoming, 1000 E. University Ave., Laramie, WY 82071, USA