Potential Productivity of Pine in Brazil

Collaborators: Jose L. Stape, North Carolina State University and IPEF (Piracicaba, Brazil); Klabin, Caxuana, Vale do Corisco, Norske, Rigesa, Stora Enso Arapoti, Derflin Florestal, Juliana Florestal, Masisa, Arborgen

Productivity of Tropical Plantations Meeting Porto Seguro, Brazil, Nov 10-14, 2008 This is a project with similar aims as the ‘Brazil Eucalyptus Productivity Project (BEPP)’, but with pine, including loblolly pine. The questions are similar to those in the BEPP Project as well: Does photosynthesis decline in pine with tree age? Second, does the differentiation of the trees into dominants, intermediates, and suppressed trees that occurs at the same time the decline starts have any effect on the decline? Does resource availability (fertility and water) affect growth and growth decline? In partnership with CSU, University of Sao Paulo, and 8 pulp and paper companies, we are consulting on a large experiment to answer these questions. Because the decline in productivity with age and the differentiation into dominants and others are universal for forests, we expect that the answers we find with fast growing trees will apply to forests everywhere, and that what we learn in the modeling of carbon and water balance will apply to Rocky Mountain forests. IPEF PPPIB Page		PPPIB Participants July 2007 Mike and Stape at Itatinga PPPIB plantation
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