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1 December 2016 Overstory Species Composition, Structure, and Conservation Challenges of a Mature, Natural-Origin Pine Stand After Decades of Management
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Abstract

This study provides a preliminary assessment of 4 compartments on the Crossett Experimental Forest (CEF) being restored to old-growth-like conditions. After being partially cleared for agriculture or lumbered in the late 1910s, Compartments 1, 2, 11, and 12 were included in a combination of pulpwood-thinning and uneven-aged cutting-cycle studies for the next 50 y. Today, these compartments are overwhelmingly comprised of large Pinus taeda (Loblolly Pine) and Pinus echinata (Shortleaf Pine). A mixture of 22 other species comprise the remainder, primarily in small-diameter stems. Of the 139 ring-counted trees, similarly-sized Shortleaf Pines were significantly older than Loblolly Pines. Current, live-tree oven-dry biomass in Compartments 1, 2, 11, and 12 approaches 200 Mg/ha, or approximately twice that historically reported for old-growth pine. The effects of decades of conventional silviculture, the limited occurrence of fire, and a lack of pine (especially Shortleaf Pine) regeneration are conservation concerns related to this long-term study.

Don C. Bragg "Overstory Species Composition, Structure, and Conservation Challenges of a Mature, Natural-Origin Pine Stand After Decades of Management," Southeastern Naturalist 15(sp9), 16-41, (1 December 2016). https://doi.org/10.1656/058.015.0sp906
Published: 1 December 2016
JOURNAL ARTICLE
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