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- Title
Tree Regeneration in Oak--Pine Stands with and without Prescribed Fire in the New Jersey Pine Barrens: Management Implications.
- Authors
Olson, Matthew G.
- Abstract
This is a case study comparing understory tree regeneration in two mixedwood stands types in the New Jersey Pine Barrens: oak-pine treated with prescribed fire over the last half century (burned) and oak-pine without a history of controlled burning (unburned). Understories of burned stands supported mainly desirable oak (Quercus spp.) and pine (Pinus spp.) regeneration (0.3 ft tall, <3 in. dbh), whereas the understories of unburned stands supported a greater abundance of undesirable, nonoak hardwoods (mainly sassafras [Sassafras albidum]) along with good numbers of oak regeneration and, unexpectedly, pine saplings (≥4.5 ft tall, <3 in. dbh). A regime of prescribed fire applied on an ~6-year interval during the last half century appears to have reduced or excluded nonook hardwoods, with the exception of hickory (Carya spp.). Maintaining oak-pine mixtures on sites similar to the unburned stands used in this study may require silvicultural intervention.
- Subjects
CASE studies; PINE barrens; FOREST regeneration; TREE reproduction; SILVICULTURAL systems; HARDWOODS; HICKORIES; SASSAFRAS
- Publication
Northern Journal of Applied Forestry, 2011, Vol 28, Issue 1, p47
- ISSN
0742-6348
- Publication type
Article
- DOI
10.1093/njaf/28.1.47