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silvicultural_considerations [2012/04/05 19:26] ddrummond created |
silvicultural_considerations [2013/03/28 16:41] (current) rsheridan |
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| - | ====== Silvicultural Considerations for Sod. Pine Beetle Control ====== | + | ====== Silvicultural Considerations for Southern Pine Beetle Control ====== |
| + | Timely and properly applied silviculture is the most effective and economical control available | ||
| + | for southern pine beetle. This fact should be considered in all forest management prescriptions | ||
| + | and decisions. Knowing which stands are the most likely candidates (or at least likely) for | ||
| + | SPB attack is important. Several geographically specific stand hazard rating systems for SPB | ||
| + | have been developed. Check with your State Forester for one applicable for your area. A more | ||
| + | generalized description of high risk stands and silvicultural recommendations are presented | ||
| + | below. | ||
| + | ^ ^Southern Coastal Plain ^Piedmont ^Southern Appalacians | | ||
| + | |Characteristics of |Densely stocked stands |Well stocked stands |Densely stocked natural stands | | ||
| + | |Susceptible stands |Large proportion of Sawtimber |Small sawtimber |Large proportion of over-mature sawtimber | | ||
| + | | |Declining radial growth |Slow radial growth during the last ten years |Slow radial growth | | ||
| + | | |Poorly drained soils and low-lying areas |High percentage of clay in surface and subsurface soils |Dry, south-facing slopes | | ||
| + | | |High percentage of shortleaf and/or loblolly pine in the stand |High percentage of shortleaf pine |High percentage of shorleaf and/or pitch pine | | ||
| + | ^Species Susceptibility ^^^| | ||
| + | |Least Resistant |Shortleaf Loblolly |Shortleaf |Shortleaf Pitch | | ||
| + | |Most Resistant |Slash Longleaf |Virginia Loblolly |Virginia Eastern White | | ||
| + | ^Silvicultural Practices (all regions) ^^^| | ||
| + | |Maintain proper stand density at range of 80-100ft2 basal area per acre ^^^| | ||
| + | |Regulate age classes by eliminating over-mature stands and avoiding large unbroken stands of the same age and species ^^^| | ||
| + | |Favor most resistant species after considering specific site and disease relationships ^^^| | ||
| + | |Minimize Logging damage ^^^| | ||
| + | |Manage species composition by encouraging hardwood on hardwood sites ^^^| | ||
| + | |Remove high hazard trees damaged by lightning, wind, ice, disease, or other insects or logging ^^^| | ||
silvicultural_considerations.1333653997.txt.gz · Last modified: 2012/04/05 19:26 by ddrummond
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