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Population Dynamics of Tree Seedlings and Saplings in a Mature Eastern Hardwood Forest

Norma F. Good and Ralph E. Good
Bulletin of the Torrey Botanical Club
Vol. 99, No. 4 (Jul. - Aug., 1972), pp. 172-178
Published by: Torrey Botanical Society
DOI: 10.2307/2484571
Stable URL: http://www.jstor.org/stable/2484571
Page Count: 7
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Population Dynamics of Tree Seedlings and Saplings in a Mature Eastern Hardwood Forest
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Abstract

Seedling and sapling growth, natality and mortality were studied over a three year period in forty 5 x 5 m plots in a mature woodland in Hunterdon County, New Jersey dominated by oaks. Year to year seedling populations remained relatively constant for most canopy species with the exception of red oak (Quercus rubra) and black birch (Betula lenta). Survivorship and growth varied greatly according to species. Beech (Fagus grandifolia) was the most persistent species while black birch was the least. Oak species and red maple (Acer rubrum) were intermediate. Sapling survivorship and growth were better than seedling. Population dynamics indicate an essential steady-state in regard to numbers but some qualitative changes are indicated. Black birch does not appear to be capable of regeneration under present conditions.

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