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11,351 results found
Water temperature influences virtually every biotic component of stream ecosystems. Not surprisingly, increased summer temperatures in streams with coldwater species of fish such as salmon and trout have become a topic of concern regionally and internationally. Although stream temperature has been…
Author(s): Jonathan Thompson
Source: Science Findings 73. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 5 p
Year: 2005
There is no scientific dispute regarding the existence of a greenhouse effect. There is no doubt that water vapor, carbon dioxide (CO2), and methane concentrations are greenhouse gases. The data showing increases in CO2 in the atmosphere are incontrovertible. Uncertainties arise when the Earth's…
Author(s): Hermann Gucinski, Ron Neilson, Steve McNulty
Source: In: Gen. Tech. Rep. SRS–75. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southern Research Station. Chapter 31. p. 365-371.
Year: 2004
Spatially explicit data on the location of species across broad geographic areas greatly facilitate effective conservation planning on lands managed for multiple uses. The importance of these data notwithstanding, our knowledge about the geography of biodiversity is remarkably incomplete. An…
Author(s): Darren J. Bender, Curtis H. Flather, Kenneth R. Wilson, Gordon C. Reese
Keywords: butterflies, geographic information systems, geographic range, species associations with grazing, species diversity, species impacted by grazing, Southwestern biodiversity, terrestrial vertebrates
Source: Gen. Tech. Rep. RMRS-GTR-152. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 42 p. + DVD.
Year: 2005
A study of logging utilization in Montana during 2002 provided logging and product utilization data for sawlog and veneer log harvests in Montana. Results of the study indicate a shift toward greater utilization of smaller diameter material, as 78 percent of the harvested volume in Montana during…
Author(s): Todd A. Morgan, Timothy P. Spoelma, Charles E. Keegan, Alfred L. Chase, Michael T. Thompson
Keywords: growing-stock removals, logging residue, sawtimber removals, timber harvest, timber products output, utilization factors
Source: Res. Pap. RMRS-RP-52. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 12 p.
Year: 2005
This report traces the flow of Wyoming's 2000 timber harvest through the primary wood-using industries; provides a description of the structure, capacity, and condition of Wyoming's primary forest products industry; and quantifies volumes and uses of wood fiber. Historical wood products industry…
Author(s): Todd A. Morgan, Timothy P. Spoelma, Charles E. Keegan, Alfred L. Chase, Mike T. Thompson
Keywords: forest products, mill residue, sawtimber, timber harvest, Wyoming
Source: Resour. Bull. RMRS-RB-5. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 25 p.
Year: 2005
Digital data loggers (thermographs) are among the most widespread instruments in use for monitoring physical conditions in aquatic ecosystems. The intent of this protocol is to provide guidelines for selecting and programming data loggers, sampling water temperatures in the field, data screening…
Author(s): Jason Dunham, Gwynne Chandler, Bruce Rieman, Don Martin
Keywords: temperature measurement, temperature sampling, thermographs, temperature dataloggers, water temperature, aquatic monitoring, monitoring protocol, data quality control
Source: Gen. Tech. Rep. RMRS-GTR-150. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 15 p.
Year: 2005
Explains how STEMS simulates tree growth, mortality, management, and regeneration. Discusses input--including user options and tree lists--output, and applications.
Author(s): Cynthia L. Miner, Nancy R. Walters
Keywords: simulation, growth projections, forest modeling, timber management, FORTRAN, individual tree
Source: Research Paper NC-252. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
Year: 1984
Provides a guide for managing lowland hardwoods in the Lake States. Gives both even-age and uneven-age guides for black ash.
Author(s): Gayne G. Erdmann, Thomas R. Crow, Ralph M. Jr. Peterson, Curtis D. Wilson
Keywords: Fraxinus nigra, black ash, lowland hardwoods, swamp hardwoods, black ash-American elm-red maple type, management
Source: General Technical Report NC-115. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
Year: 1987
This is a complete reference to TWIGS, a forest growth-and-yield program with management and economic components developed for Lake and Central States tree species. The guide describes how TWIGS models growth and yield and how the model can be applied to obtain the best results. Step-by-step…
Author(s): Cynthia L. Miner, Nancy R. Walters, Monique L. Belli
Keywords: growth and yield (simulation), forest stand management (simulation), economics, computer programs (forestry), silviculture, STEMS
Source: General Technical Report NC-125. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station. 105 p.
Year: 1988
Provides summary of management recommendations relating to biological diversity.
Author(s): Thomas R. Crow, Alan Haney, Donald M. Waller
Keywords: biological diversity, resource management, ecosystem, public lands, Wisconsin
Source: General Technical Report NC-166. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
Year: 1994
https://www.fs.usda.gov/treesearch/search/query?keywords=%22wood%20thrush%22&f%5B0%5D=national_research_taxonomy%3A96