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80 results found
Estimates of crown fire hazard are presented for existing forest conditions in Montana by density class, structural class, forest type, and landownership. Three hazard reduction treatments were evaluated for their effectiveness in treating historically fire-adapted forests (ponderosa pine (
Author(s): Carl E. Fiedler, Charles E. Keegan, Christopher W. Woodall, Todd A. Morgan
Keywords: Montana, wildfire, forest inventory, forest restoration, Forest Inventory and Analysis, hazard reduction, treatments, costs
Source: Gen. Tech. Rep. PNW-GTR-622. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 48 p
Year: 2004
The increasing proximity of human development to forest lands and the extent of forest fragmentation caused by this development are major concerns for natural resource managers. Forest fragmentation affects the biodiversity of native flora and fauna, hydrologic processes, and management…
Author(s): Rachel Riemann, Kathy Tillman
Keywords: Forest Fragmentation, human development, biodiversity, flora, fauna, hydrologic, FIA, Forest Inventory and Analysis, photointerpretation
Source: Res. Pap. NE-709. Radnor, PA: U.S. Department of Agriculture, Forest Service, Northeastern Research Station. 12 p.
Year: 1999
We review the relative merits and field procedures for four basic plot designs to handle forest inventory plots that straddle two or more conditions, given that subplots will not be moved. A cluster design is recommended that combines fixed-area subplots and variable-radius plot (VRP) sampling.…
Author(s): Jerold T. Hahn, Colin D. MacLean, Stanford L. Arner, William A. Bechtold
Keywords: Forest Inventory and Analysis, forest survey, national forest inventories, cluster sample, edge effect
Source: For. Sci. Monogr., Vol. 31: 12-25
Year: 1995
The Forest Inventory and Analysis (FIA) program measures a number of chemical and physical properties of soils to address specific questions about forest soil quality or health. We developed a new index of forest soil health, the soil quality index (SQI), that integrates 19 measured physical and…
Author(s): Michael C. Amacher, Katherine P. O'Neil, Charles H. Perry
Keywords: forest soil health, Forest Inventory and Analysis, soil indicator database, soil quality index
Source: Res. Pap. RMRS-RP-65. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 12 p.
Year: 2007
The National Forest Management Act (1976) recognizes the importance of maintaining species and community diversity on National Forest System (NFS) lands as a critical component of our ecological and cultural heritage. Monitoring is required of land management to assess the success of management…
Author(s): P.N. Manley, B. Van Horne, J.K. Roth, W.J. Zielinski, M.M. McKenzie, T.J. Weller, F.W. Weckerly, C. Vojta
Keywords: multiple species, inventory and monitoring, National Forest Management Act, Multiple Species Inventory and Monitoring protocol, MSIM, Forest Inventory and Analysis, FIA
Source: Gen. Tech. Rep. WO-73. Washington, DC: U.S. Department of Agriculture, Forest Service, Washington Office. 204 p.
Year: 2006
An accuracy assessment of the Moderate Resolution Imaging Spectroradiometer (MODIS) vegetation continuous field (VCF) tree cover product using two independent ground-based tree cover databases was conducted. Ground data included 1176 Forest Inventory and Analysis (FIA) plots for Arizona and 2778…
Author(s): M. A. White, J. D. Shaw, R. D. Ramsey
Keywords: Moderate Resolution Imaging Spectroradiometer, MODIS, vegetation continuous field, VCF, tree cover product, databases, Forest Inventory and Analysis, FIA, Southwest Regional GAP, SWReGAP
Source: International Journal of Remote Sensing. 26(12): 2699-­2704.
Year: 2005
Benefits of a strategic national forest inventory to science and society: the USDA Forest Service Forest Inventory and Analysis program. Forest Inventory and Analysis, previously known as Forest Survey, is one of the oldest research and development programs in the USDA Forest Service. Statistically…
Author(s): J. D. Shaw
Keywords: Forest Inventory and Analysis, FIA, silviculture, disturbance, United States
Source: Forest@ 3(1): 46-53
Year: 2006
In this article we develop a methodology to test for changes in the underlying relationships between measures of forest productivity (structural elements) and site characteristics, herein referred to as structural changes, using standard forest inventories. Changes in measures of forest growing…
Author(s): Melinda Vokoun, David Wear, Robert Abt
Keywords: regression tree analysis, Forest Inventory and Analysis, inventory comparison, hypothesis testing
Source: Forest Science
Year: 2009
To achieve the overall objective of restoring natural environment and sustainable resource usability, each forest management practice effect needs to be predicted using a simulation model. Previous simulation efforts were typically confined to public land. Comprehensive forest management practices…
Author(s): Yangjian Zhang, Hong S. He, William D. Dijak, Jian Yang, Stephen R. Shifley, Brian J. Palik
Keywords: ecoregion, Forest Inventory and Analysis, land ownership, Landsat Thematic Mapper, species composition, stand size
Source: Environmental Management. 44: 312-323.
Year: 2009
Species-specific equations to predict uncompacted crown ratio (UNCR) from compacted live crown ratio (CCR), tree length, and stem diameter were developed for 24 species and 12 genera in the southern United States. Using data from the US Forest Service Forest Inventory and Analysis program,…
Author(s): KaDonna C. Randolph
Keywords: Forest Inventory and Analysis, crown base height, crown modeling, nonlinear regression, forest inventory
Source: South. J. Appl. For. 34(3):118-123
Year: 2010