Development of Pine-Hardwood Mixtures Following Clearcutting on Two Upland Sites in the Georgia Piedmont: 10 Year Results

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Abstract:

Loblolly pine, planted on upland sites from which high-graded hardwood stands had been clearcut, grew well in mixture with the ensuing natural hardwood regeneration. At age 10, about half of the 545 stems per acre which had been planted survived and were 3 to 6 ft above the hardwood canopy. Their basal area was 29 ft²/ac, about half of what a pure pine plantation would have produced and also half of the total pine plus hardwood basal area in each stand. The proportion of pine basal area was increasing gradually, that of pine crown cross-sectional area (CCA) dramatically, at age 10. High oak densities before the clearcut contributed to excellent oak regeneration, although small red oaks did not survive harvesting and subsequent environmental changes as well as white oaks. The numbers of total seedlings plus stumps which sprouted were remarkably steady between 4,700 and 5,900 per acre for the 10 yr period, with shade-intolerant and mid-tolerant species groups equally represented. Stand CCA tripled from an average of 87 ft²/100 ft² of land area to 281 ft² between age 4 and 10. South. J. Appl. For. 20(4):203-208.

Document Type: Journal Article

Affiliations: Dept. of Forestry and Geology, University of the South, Sewanee, TN 37383

Publication date: November 1, 1996

More about this publication?
  • Each regional journal of applied forestry focuses on research, practice, and techniques targeted to foresters and allied professionals in specific regions of the United States and Canada. The Southern Journal of Applied Forestry covers an area from Virginia and Kentucky south to as far west as Oklahoma and east Texas.
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