Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 9 of 9 for “"mixed hardwoods"”.
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Financial Analysis of Restoring Sustainable Forests on Appalachian Mined Lands for Wood Products, Renewable Energy, Carbon Sequestration, and Other Ecosystem Services
… conversion scenarios was analyzed for both mixed hardwoods and white pine, under a set of low product prices and under a set of high product prices. Economic feasibility was based on land expectation values. Further, three types of incentive schemes were investigated: 1) lump sum payment at …
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Wild turkey responses to intensive pine management in Virginia's central piedmont
… hardwood leave strips, large stands of mixed hardwoods, mature pine stands, and fields was not significantly different (p > 0.1) from availability. Turkeys were associated with edges while on their winter and prenesting ranges. Nests were located in a variety of stand types, near edges, …
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A Scent-Station Survey of Medium-Size Mammals on the Callaway Preserve, Harris County, Georgia
… with respect to three types of habitat: Upland Hardwoods / Ridge, Upland Pines, and Mixed Hardwoods / Pines. The statistical significant difference in coyote observations suggested that they prefer the Upland Hardwoods / Ridge habitat. The lack of statistical, significant difference in other …
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Palynology of late-glacial and postglacial sediments in Georgian Bay, Ontario, Canada, as related to the Great Lakes history /
… forest; zone GB III represents a period of pine-mixed hardwoods forests from about 10,000 to 7,500 years ago. A pine-maplehemlock association dominated in zone GB II, although during the culmination of postglacial warming about 4,000 to 5,000 years ago the Georgian Bay forests had a more …
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Vegetation distribution and site relationships in an Appalachian oak forest in southwest Virginia
… on progressively drier sites. Sugar maple-mixed hardwoods, Yellow-poplar, and Hemlock community types were more discrete when compared to the oak community types. Stands dominated by Acer saccharum or Tsuga canadensis occurred mostly in relatively cool, moist conditions at mid to upper …
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Effects of Low-Input Vegetation Management on Pine-Hardwood Mixed Stands in the Northern Piedmont
… the growth and yield of loblolly pine and mixed hardwood species. Low-cost herbicide applications (stump treatment, basal stem spray, release, and soil spot release) were used to control competing vegetation during the study. The four even-aged regeneration treatments applied to loblolly …
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Appalachian Surface Mine Reforestation Techniques: Effects of Grading, Cultural Treatments and Species Selection
… region has removed over 0.6 million Ha of mixed mesophytic forest. Successful reforestation would be beneficial, but questions remain concerning application of reclamation and reforestation methods on operational scales. Four experiments were performed testing these methods on newly …
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Characterizing uncertainty for regional carbon cycle modeling
… composed of upland Jack and Red Pine, mixed hardwoods and lowland conifers. In a series of analyses, sources of error, potential for bias and impacts of model and data choices in the context of regional carbon cycle modeling of temperate, forested ecosystems were evaluated. A …
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The impacts of seven silvicultural alternatives on vascular plant community composition, structure, and diversity in the southern Appalachians
The effects of seven silvicultural prescriptions were examined one full growing season post-treatment on five sites in the Ridge and Valley, Cumberland Plateau, and Allegheny Plateau of Virginia and West Virginia. Prescriptions were (1) control, (2) understory control with herbicide, (3) group …