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Stand Structure and Yield in the Tabonuco Forest of Puerto RicoAuthor(s): C. B. Briscoe; F. H. Wadsworth
Source: Odum, H. T. ed. A Tropical Rain Forest. Division nof Techinical Information, US Atomic Energy Commission
Publication Series: Miscellaneous Publication (MISC)
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DescriptionPermanent plots were establised beginning in 1943 to study growth in the Tabonuco forest type in Puerto Rico. Initially, the most common species were Dacryodes excelsa; Euterpe globosa, 11%; Sloanea berteriana, 7%; Cordia borinquensis, 4%; and Manilkara bidentata, 4%. Species diversity was less than in mainland British Guiana. For canopy species the relation of overall density to diameter class follows the classical L-shaped, with less than 4% of the stems larger than 60 cm. Understory species scarcely occur above the minimum size class. Basal area, however, was related to diameter at breast height class by a straight line with a slight negative slope. Growth was greater on cutover plots than on undisturbed ones and was less on both for the second 10-year period. Mortality was not closely related to crown position but was related to tree diameter at breast height . There is some indication that the relation of mortality to diamter at breast height for understory species is independent of the relation for canopy species.
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CitationBriscoe, C. B.; Wadsworth, F. H. 1970. Stand Structure and Yield in the Tabonuco Forest of Puerto Rico. In: Odum, H. T. ed. A Tropical Rain Forest. Division nof Techinical Information, US Atomic Energy Commission: B79-B89. Chapter B-6.
Keywordsstand structure, yield
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