The longleaf pine in virgin forest ; a silvical study . re selected from various tracts within theGulf region as typical examples of the character ofgrowth of the main body of virgin longleaf pine.Plot I furnished the measurements given in TableI above. An inspection of the table shows that the standsusually range within close diameter and heightlimits for virgin forest. Trees with small diametersare disproportionately tall, indicating an attempt toreach the all-important light. That the longleaf pinerequires a large amount of light may also be inferredfrom the Remarks in the column at the rig
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The longleaf pine in virgin forest ; a silvical study . re selected from various tracts within theGulf region as typical examples of the character ofgrowth of the main body of virgin longleaf pine.Plot I furnished the measurements given in TableI above. An inspection of the table shows that the standsusually range within close diameter and heightlimits for virgin forest. Trees with small diametersare disproportionately tall, indicating an attempt toreach the all-important light. That the longleaf pinerequires a large amount of light may also be inferredfrom the Remarks in the column at the right.Here it will be noticed that the dead and dying treesare usually of small size, which is explained by theirinability to stand the shade of the larger trees. It should here be explained that the figures inthe column headed Crown density indicate theproportion of overhead light that is excluded by thecrowns when the sun is directly overhead; in otherwords, the proportion that the horizontal spread ofthe crowns bears to the total area. A crown density. Fig. 2.—A Longleaf Pine Forest with Trees of Various Sizes. Escambia County, Florida.