Fig. 6.2. Total aboveground nutrient content per hectare for Jacaranda copaia, Vochysia guatemalensis, Calophyllum brasiliense, and Stryphnodendron microstachyum grown in pure plantation, and a mixture of the four species at La Selva Biological Station, Costa Rica. Plantations were 3-4 years old at the time of nutrient and biomass determinations (Montagnini 2000, reprinted with permission from Elsevier Publishers)

Fig. 6.3. Virola koschnyii is a native species that is preferred by farmers for reforestation in the humid lowlands of Costa Rica due to its fast growth, good form, and good market value. This plantation is 10 years old. (Photo: F. Montagnini)

productive value. Box 6.2 describes PRORENA, a large reforestation project with native species in Panama that is developing knowledge of the potential of several native species for land restoration in the Panama Canal watershed and other regions of Panama.

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