Does tree diversity increase wood production in pine forests?.

Vilà M, Vayreda J, Gracia C, Ibàñez JJ (2003) Does tree diversity increase wood production in pine forests?. Oecologia 135:299-303.

Large-scale environmental correlates of forest tree distributions in Catalonia (NE Spain).

Thuillier W, Vayreda J, Pino J, Sabaté S, Lavorel S, Gracia C (2003) Large-scale environmental correlates of forest tree distributions in Catalonia (NE Spain). Global Ecology and Biogeography 12:313-315.