. The Caribbean forester. Forests and forestry Caribbean Area Periodicals; Forests and forestry Tropics Periodicals. 122 Caribbean Forester. Fig. 3.—A 21-year-old stand of maria after being thinned to a basal area of 80 sq. ft. per acre. Plantation grotving on a concave slope in the Ma- ricao highlands. Table 4.—Average annual growth of maria at Guajataca Site Locations ' Average Age Growrth Height Growth Ave. Max. Ave. Max. No. Years Inches Inches Feet Feet Hilltops f 8 6 Lower slopes 1 9 Sinkhole bottoms 2 6 Plantation development on a rock
. The Caribbean forester. Forests and forestry Caribbean Area Periodicals; Forests and forestry Tropics Periodicals. 122 Caribbean Forester. Fig. 3.—A 21-year-old stand of maria after being thinned to a basal area of 80 sq. ft. per acre. Plantation grotving on a concave slope in the Ma- ricao highlands. Table 4.—Average annual growth of maria at Guajataca Site Locations ' Average Age Growrth Height Growth Ave. Max. Ave. Max. No. Years Inches Inches Feet Feet Hilltops f 8 6 Lower slopes 1 9 Sinkhole bottoms 2 6 Plantation development on a rocky upper slope exposed to the eastern winds at Gua- jataca is shown in Table 5. This 9-year- old pure plantation. The large number of poorly formed trees is partly due to the poor site but could have been lessened by closer spacing of this plantation. The trees were spaced 6x6 feet but many blank spaces resulted. Many trees are flat-topped because of the wind. A heavy pruning made some years ago resulted in epicormic branching since the stand is open- Table 5.—Development of maria plantation at Guajataca Pure—9 years Tree form and number per acre Good Poor j Total Inches No. No. No. 1 8 28 36 2 152 180 332 3 124 76 200 Total 284 284 568. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Southern Forest Experiment Station (New Orleans, La. ). Rio Piedras, P. R. : Tropical Forest Experiment Station, United States Forest Service
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