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ForesTech
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ForesTech provides a broad spectrum of custom forestry solutions and on the ground services to investment organizations, private landowners and public entities, backed by the highest levels of expertise in the industry.
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Southwest Georgia PBA
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Our Mission is to provide and support a platform for landowners to share, educate and implement a sound forest and land management practices regarding prescribed burning within Georgia.
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The Nature Conservancy, Sandhills Office
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Longleaf pine forests once stretched 90 million acres from Virginia to Texas. Harvested for lumber, turpentine, tar and pitch, this vast forest began to decline rapidly in the 19th century, and today a mere 3% of the original range remains. You can see what these ancient woodlands once looked like by visiting Calloway Forest, a longleaf pine forest in the Sandhills. Many wildlife species depend on the openness of longleaf pine forest to forage and raise young.
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Crosby Resource Management, LLC
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CRM provides complete forest management and real estate services to landowners with 40 to over 100,000 acres. Headquartered in DeQuincy, Louisiana, CRM now has clients in Louisiana, Texas and Mississippi.
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Guidebook for Prescribed Burning in the Southern Region
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Learn how to plan, conduct and evaluate prescribed burns with this new Guidebook designed for burners of all skill levels. This book takes you step-by-step through the prescribed burning process in addition to providing more in-depth chapters on many of the concepts.
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Publications, fact sheets, training materials
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KGS/Fort Novosel
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In support of Fort Novosel’s Natural Resources Program, KGS/Trinity assisted with invasive species management, forest management inventories, timber marking, and prescribed burns and also incorporated wildlife, flora/fauna, and aquatic species survey data into geodatabases and map overlays.
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Poster Presentation: Seeing Past the Green: Quantifying the Characteristics of High-graded Forests
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Download the Poster Presentation for "Seeing Past the Green: Quantifying the Characteristics of HIgh-Graded Forests
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Research
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WLFW Outcomes: Funded Research
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Seeing past the green: Structure, composition, and biomass differences in high graded and silviculture-managed forests of similar stand density
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Forests of the eastern United States (US) mostly comprise a mix of stands managed following silvicultural
principles and stands managed with exploitative timber harvesting practices. These stands can have similar stand
densities (e.g., basal area per hectare) but vary vastly in structure, composition, and biomass and carbon storage.
High grading, a prevalent exploitative timber harvesting practice in the eastern US, is of particular concern
because it can negatively affect future forest health and productivity. This study quantifies differences in forest
structure, composition, and biomass and carbon storage between high graded stands and stands that received a
seed/establishment cut of a uniform shelterwood regeneration sequence treatment, which is a comparable and
well-established silvicultural method used to regenerate mixed-oak forests. It focuses on mixed-oak forests
(mixed-Quercus), where the effects of high grading have been understudied, and uses a sample with broader
spatial coverage than previous studies. The sample comprised nine stands that were known to have been high
graded 8–15 years ago and nine stands that received the seed/establishment cut of a uniform shelterwood
regeneration sequence. Stand were systematically sampled using fixed-area plots. Field measurements were
collected and used to calculate metrics describing forest structure and function. The structure of high graded
stands was characterized by a higher proportion of trees with poor health and/or form compared to shelterwood
stands, with 18.3 % less acceptable growing stock and trees with lower crown compaction. Diameter distributions
of high graded stands were characterized by numerous small trees and few large-diameter trees. Spatial
variability of overstory trees was contingent on the tree size range evaluated, with a larger variability of
sawtimber-sized trees (trees ≥ 29.2 cm in diameter at breast height) in high graded stands. High graded stands
also had 2.2 times fewer oak trees (Quercus spp.) in the overstory canopy, 17,897 fewer seedlings per hectare
(ha), and 45 Mg/ha less biomass than shelterwood stands. These results indicate that high grading generally
degrades mixed-oak forests and impairs their long-term capacity to supply vital ecosystem services such as
habitat for specific wildlife species, carbon storage, and high-quality wood products.
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WLFW Outcomes: Funded Research
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Decision Support Tools to Inform the Rehabilitation and Management of High Graded Forests
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Abstract
Numerous forests in the eastern United States have been degraded due to past exploitative timber
harvesting known as high grading. High graded forest stands may not improve without active re-
habilitation and may require targeted silvicultural treatments. This study focuses on high graded
mixed-oak (mixed-Quercus spp.) stands and aims to develop a model that can identify past high
grading and to determine modifications that may improve forest management recommendations provided
by the prominent decision support tool, SILVAH. We present a model that uses standard forest
inventory measurements and does not require knowledge of preharvest stand conditions to predict
with moderate to high accuracy whether a stand was high graded, which could be par- ticularly
useful for nonindustrial private forests. Results indicate that modifications to SILVAH may be
necessary to improve its utility for prescribing silvicultural treatments in high graded stands.
Study Implications: High graded forest stands are often not readily apparent and likely require
specific forest management practices. We present a tool that uses standard forest inventory meas-
urements to predict past high grading, which can be used to inform and prioritize forest manage-
ment decisions. We also present suggested modifications to the prominent decision support tool,
SILVAH, that may improve its ability to prescribe optimal silvicultural treatments for high graded
stands. Results from this study provide forestry professionals/landowners working in the mixed- oak
forests of the northeastern United States with tools to inform forest management decisions
that aim to return degraded stands to healthier and more productive states.
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WLFW Outcomes: Funded Research
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A Path Forward: Understanding and Restoring Degraded Forests A Working Lands for Wildlife Virtual Event
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The impact of high-grading on forest wildlife in the Eastern deciduous forests.
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