Stone pine cone production in Portuguese plots from 2004 to 2007
This database concerns stone pine (Pinus pinea L.) cone production per tree obtained from 61 Portuguese permanent plots during three production periods (2004/05, 2005/06 and 2006/07). Data were collected before the western conifer seed bug (Leptoglossus occidentalis Heidemann (Hemiptera: Coreidae)) pest appearance in Portugal in 2010. Stand and tree biometric measurements obtaind during 2004 were also included. Field data collection methodology is detailed in Carrasquinho et al (2010) and Rodrigues et al (2014).
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