Microbial Processes > Long-Term Soil Productivity (LTSP) Study > LTSP Related Publications > 5 - Pacific Southwest Publications

Pacific Southwest LTSP and Affiliated Site Publications

Parker, R.T.; Maguire, D.A.; Marshall, D.D.; Cochran, P. 2007. Ponderosa pine growth response to soil strength in the volcanic ash soils of central Oregon. West. J. Appl. For. 22: 134–141.

Sampson, M.T. 2007. Saving the soil. Lessons from the long-term soil productivity experiment. Science Perspectives (summer 2007). Pacific Southwest Research Station, USDA Forest Service, Berkeley, CA. 5 p.

Busse, M.D.; Beattie, S.E.; Powers, R.F., Sanchez, F.G., Tiarks, A.E. 2006. Microbial community responses to forest soil compaction, organic residue removal, and vegetation control. Can. J. For. Res. 36: 577–588.

Busse, M.; Riegel, G.; Johnson, W. 2006. Long-term effects of prescribed fire and thinning in central Oregon ponderosa pine forests. In: Proceedings, Third International Fire Ecology and Management Congress, Nov. 13–17, San Diego, CA. www.emmps.wsu.edu/2006firecongressproceedings.

Craigg, T.L. 2006. Evaluation of methods used to assess changes in forest soil quality. MS thesis, 304 p. University of California, Davis.

Fleming, R.L.; Powers, R.F.; Foster, N.W.; Kranabetter, J.M.; Scott, D.A.; Ponder, F., Jr.; Berch, S.; Chapman, W.; Kabzems, R.D.; Ludovici, K.; Morris, D.M.; Page-Dumroese, D.S.; Sanborn, P.T.; Sanchez, F.G.; Stone, D.M.; Tiarks, A.E. 2006. Effects of organic matter removal, soil compaction, and vegetation control on 5-year seedling performance: a regional comparison of Long-Term Soil Productivity sites. Can. J. For. Res. 36: 529–550.

Page-Dumroese, D.S.; Jurgensen, M.F.; Tiarks, A.E.; Ponder, F., Jr.; Sanchez, F.G.; Fleming, R.L.; Kranabetter, J.M.; Powers, R.F.; Stone, D.M.; Elioff, J.D.; Scott, D.A. 2006. Soil physical property changes at the North American Long-Term Soil Productivity study sites: 1 and 5 years after compaction. Can. J. For. Res. 36: 551–564.

Powers, R.F. 2006. Long-term soil productivity: genesis of the concept and principles behind the program. Can. J. For. Res. 36(3): 516–528.

Ratcliff, A.W.; Busse, M.D.; Shestak, C.J. 2006. Changes in microbial community structure following herbicide (glyphosate) additions to forest soils. Applied Soil Ecology 34: 114–124.

Sanchez, F.G.; Tiarks, A.E.; Kranabetter, J.M.; Page-Dumroese, D.S.; Powers, R.F.; Sanborn, P.T.; Chapman, W.K. 2006. Effects of organic matter removal and soil compaction on fifth-year mineral soil carbon and nitrogen contents for sites across the United States and Canada. Can. J. For. Res. 36: 565–576.

Zhang, J.; Oliver, W.W.; Busse, M.D. 2006. Growth and development of ponderosa pine on sites of contrasting productivities: relative importance of stand density and shrub competition effects. Can. J. For. Res. 36: 2426–2438.

Busse, M.D.; Riegel, G.M. 2005. Managing ponderosa pine forests in central Oregon: who will speak for the soil? p. 109–122. In: Ritchie, M.W.; Maguire, D.A.; Youngblood, A. (eds.) Proceedings, Symposium on Ponderosa Pine: Issues, Trends, and Management, Oct. 18–21, Klamath Falls, OR. Gen. Tech. Rep. PSW-GTR-198. Pacific Southwest Research Station, USDA Forest Service, Albany, CA.

Shestak, C.J.; Busse, M.D. 2005. Compaction alters physical but not biological indices of soil health. Soil Sci. Soc. Am. J. 69: 236–246.

Siegel-Issem, C.; Burger, J.A.; Powers, R.F.; Ponder, F.; Patterson, S.C. 2005. Seedling root growth as a function of soil density and water content. Soil Sci. Soc. Am. J. 69: 236–246.

Powers, R.F.; Scott, D.A.; Sanchez, F.; Voldseth, R.A.; Page-Dumroese, D.; Elioff, J.D.; Stone, D.M. 2005. The North American long-term soil productivity experiment: findings from the first decade of research. For. Ecol. Manage. 220: 31–50.

Hayes, J.P.; Schoenholtz, S.H.; Hartley, M.J.; Murphy, G.; Powers, R.F.; Berg, D.; Radosevich, S.R. 2005. Environmental consequences of intensively managed forest plantations in the Pacific Northwest. Journal of Forestry 103(2): 83–87.

Gale, M.R.; Powers, R.F.; Boyle, J.R. (eds.) 2005. Forest Soils Research: Theory, Reality and its Role in Technology Transfer. Elsevier, Amsterdam. 331 p.

Curran, M.P.; Maynard, D.G.; Heninger, R.L.; Terry, T.A.; Howes, S.W.; Stone, D.M.; Niemann, T.; Miller, R.E.; Powers, R.F. 2005. An adaptive management process for forest soil conservation. Forestry Chron. 81(5): 717–722.

Curran, M.P.; Heninger, R.L.; Maynard, D.G.; Powers, R.F. 2005. Harvesting effects on soils, tree growth, and long-term productivity. p. 3–15. In: Harrington, C.A., Schoenholtz, S.H. (Tech. ed.). Productivity of Western Forests: a Forest Products Focus. General Technical Report PNW-GTR-642. USDA Forest Service Pacific Northwest Research Station, Portland, OR.

Powers, R.F.; Sanchez, F.G.; Scott, D. A.; Page-Dumroese, D. 2004. The North American long-term soil productivity experiment: coast-to-coast findings from the first decade. pp. 191–206. In: Shepperd, W.D.; Eskew, L.G., compilers. Silviculture in special places: Proceedings of the National Silviculture Workshop; 2003 September 8–11; Granby, CO. Proceedings RMRS-P-34. USDA Forest Service Rocky Mountain Research Station, Ft. Collins, CO.

Busse, M.D.; Fiddler, G.O.; Ratcliff, A.W. 2004. Ectomycorrhizal formation in herbicide-treated soils of differing clay and organic matter content. Water, Air, and Soil Pollution 152: 23–34.

Young, D.H.; Powers, R.F.; Rust, B.L. 2004. Monitoring impacts of ground-based thinning on soil quality in a late-seral reserve. Agron. Abstr. 5101(CD of Abstracts). Proceedings, International Meeting of the American Society of Agronomy, Oct. 31–Nov. 3, 2004, Seattle, WA. American Society of Agronomy, Madison, WI.

Busse, M.; Fiddler, G.; Gillette, N. 2003. Are herbicides detrimental to ectomycorrhizae? p. 46–53. In: Cooper, S.L. (comp.) Proceedings, 24th Ann. Forest Vegetation Management Conference, Jan. 14–16, 2003; Redding, CA. Univ. California Coop. Exten., Redding, CA.

Waldrop, M.P.; McColl, J.G.; Powers, R.F. 2003. Effects of forest postharvest management practices on enzyme activities in decomposing litter. Soil Sci. Soc. Am. J. 67: 1250–1256.

Gomez, A.; Powers, R.F.; Singer, M.J.; Horwath, W.R. 2002. N uptake and N status in ponderosa pine as affected by soil compaction and forest floor removal. Plant and Soil 242: 263–275.

Gomez, A.; Powers, R.F.; Singer, M.J.; Horwath, W.R. 2002. Soil compaction effects on growth of young ponderosa pine following litter removal in California's Sierra Nevada. Soil Sci. Soc. Am. J. 66: 1334–1343.

Gomez, G.A.; Singer, M.J.; Powers, R.F.; Horwath, W.R. 2002. Soil compaction effects on water status of ponderosa pine assessed through 13C/12C composition. Tree Physiol. 22: 459–467.

Powers, R.F. 2002. Effects of soil disturbance on fundamental, sustainable productivity of managed forests. p. 63–82. In: Verner, J. (comp.) The Kings River Sustainable Ecosystem Project. USDA Forest Serv. Gen. Tech. Rep. PSW-GTR-183. Pacific Southwest Research Station, Albany, CA.

Siegel-Issem, C.M. 2002. Forest productivity as a function of root growth opportunity. M.S. thesis, Virginia Polytechnic Institute and State Univ., Blacksburg.

Boyle, J.R.; Powers, R.F. (eds.) 2001. Forest soils and ecosystem sustainability. Elsevier, Amsterdam, The Netherlands. 462 p.

Busse, M.D.; Rappaport, N.G.; Powers, R.F. 2001. Hexazinone effects on soil biota and processes: initial findings. p. 66–72. In: Cooper, S.L. (comp.) Proceedings, 22nd Ann. Forest Vegetation Management Conf. Univ. California Cooperative Exten., Redding, CA.

Busse, M.D.; Ratcliff, A.W.; Shestak, C.J.; Powers, R.F. 2001. Glyphosate toxicity and the effects of long-term vegetation control on soil microbial communities. Soil Biology and Biochemistry 33: 1777–1789.

Paz, L.W. 2001. Soil-water characteristics and hydrologic implications following forest soil disturbance. The relative influence of organic residue and soil compaction on permeability and moisture capacity—a study on Cohasset soil in the Sierra Nevada mixed conifer zone. Ph.D. dissertation. University of California, Berkeley.

Powers, R.F. 2001. Chapter 5. Assessing potential sustainable wood yield. p. 105–128. In: Evans, Julian (ed.) The Forests Handbook. Blackwell Science, Oxford, UK.

Boyle, J.R.; Powers, R.F. 2000. Preface: forest soils and ecosystem sustainability. Forest Ecol. Manage. 138: 1.

Busse, M.D. 2000. Ecological significance of nitrogen fixation by actinorhizal shrubs in interior forests of California and Oregon. p. 23–41. In: Powers, R.F.; Hauxwell, D.L.; Nakamura, G.M. (eds.). Forest Soils Biology and Forest Management. USDA Forest Service Gen. Tech. Rep. PSW-GTR-178. Pacific Southwest Research Station, Albany, CA.

Busse, M.D. 2000. Suitability and use of 15N-isotope dilution method to estimate nitrogen fixation by actinorhizal shrubs. For. Ecol. Manage 136: 85–95.

Busse, M.D.; Ratcliff, A.W.; Shestak, C.J.; Powers, R.F. 2000. Non-target effects of glyphosate on soil microbes. In: Proceedings, California Weed Sci. Soc. 52: 146–150.

Gomez-Guerrero, A. 2000. Soil compaction and forest floor removal effects on the initial growth of ponderosa pine in Sierra Nevada forests. Ph.D. dissertation, University of California, Davis.

Gomez, A.; Horwath, W.R.; Singer, M.J.; Powers, R.F. 1999. Water and nutrient stress in ponderosa pine as a result of soil compaction. Agron. Abstr. p. 310. International Meeting, American Society of Agronomy, Oct. 31–Nov. 4, 1999, Salt Lake City, UT. American Society of Agronomy, Madison, WI.

Powers, R.F.; Hauxwell, D.L.; Nakamura, G.O. (eds.) 2000. Forest Soils Biology and Forest Management. USDA Forest Service Gen. Tech. Rep. PSW-GTR-178. Pacific Southwest Research Station, Albany, CA. 113 p.

Powers, R.F. 1999. If you build it, will they come? Survival skills for silvicultural studies. Forestry Chron. 75: 367–373.

Powers, R.F. 1999. On the sustainability productivity of planted forests. New Forests 17: 253–306.

Powers, R.F.; Alves, T.M.; Spear, T.H. 1999. Soil compaction: can it be mitigated? Reporting a work in progress. p. 47–56. In: Proceedings, 20th Annual Forest Vegetation Management Conference. Forest Vegetation Management Conference, Redding, CA.

Swearingen, K.A. 1999. Competitive relations for soil water in an experiment of soil compaction and organic residues in a young ponderosa pine-mixed shrub community. M.S. thesis, Oregon State Univ.

Gomez, A.; Singer, M.J.; Powers, R.F.; Horwath, W.R. 1998. Effects of soil compaction and forest floor removal on tree growth in California forest. Agron. Abstr. p. 303. International Meeting, American Society of Agronomy, Oct. 18–22, 1998, Baltimore, MD. American Society of Agronomy, Madison, WI.

Powers, R.F.; Aune, P.S. 1998. Communicating silviculture: values and benefits for the new millennium. p. 3–9. In: Communicating the Role of Silviculture in Managing the National Forests. Gen. Tech. Rep. NE-238. USDA Forest Service Northeastern Forest Experiment Station., Radnor, PA.

Powers, R.F.; Tiarks, A.E.; Boyle, J.R. 1998. Assessing soil quality: practicable standards for sustainable forest productivity in the United States. p. 53–80. In: Adams, M.B.; Ramakrishna, K., and Davidson, E.A. (eds.) Criteria and indicators of soil quality for sustainable forest productivity. Spec. Publ. 53, Soil Sci. Soc. Am., Madison, WI.

Siegel, C.M.; Burger, J.A.; Powers, R.F. 1998. Root growth opportunity as a function of soil strength and moisture for several forest soils and tree species. Agron. Abstr. p. 301. International Meeting, American Society of Agronomy, Oct. 18–22, 1998, Baltimore, MD. American Society of Agronomy, Madison, WI.

Tiarks, A.E.; Buford, M.A.; Powers, R.F.; Ragus, J.F.; Page-Dumroese, D.S.; Ponder, F., Jr.; Stone, D.M. 1997. North American long term soil productivity research program. p. 140–147. In: Communicating the Role of Silviculture in Managing the National Forests. Gen Tech. Rep. NE-238. USDA Forest Service Northeastern Forest Experiment Station, Radnor, PA.

Powers, R.F.; Fiddler, G.O. 1997. The North American long-term soil productivity study: progress through the first 5 years. p. 88–102. In: Proceedings, 18th Ann. Forest Vegetation Conf., Redding, CA.

Troncoso, G.E. 1997. Effect of compaction and organic residues on soil moisture and temperature regimes during the growing season in Sierra Nevada, California. MS thesis, Oregon State Univ., Corvallis.

Busse, M.D.; Cochran, P.H.; Barrett, J.W. 1996. Changes in ponderosa pine site productivity following removal of understory vegetation. Soil Sci. Soc. Am. J. 60: 1614–1621.

Gressel, N. 1996. Linkages between phosphorus and carbon cycling in forest soils. Ph.D. dissertation, University of California, Berkeley.

Gressel, N.; McColl, J.G.; Preston, C.M.; Newman, R.H.; Powers, R.F. 1996. Linkages between phosphorus transformations and carbon decomposition in a forest soil. Biogeochemistry 33: 97–123.

Powers, R.F.; Morrison, I.K. 1996. Soil and sustainable forest productivity: a preamble. Soil Sci. Soc. Am. J. 60: 1613.

Powers, R.F.; Tiarks, A.E.; Burger, J.A.; Carter, M.C. 1996. Sustaining the productivity of planted forests. p. 97–134. In: Carter, M.C. (ed.) Proceedings, 35th Forestry Symposium: Growing Trees in a Greener World: Industrial Forestry in the 21st Century. School of Forestry, Wildlife and Fisheries, Louisiana State Univ., Baton Rouge, LA.

Gressel, N.; McColl, J.G.; Powers, R.F. 1995. Carbon decomposition and phosphorus transformations in coniferous forests. Agron. Abstr. p. 308. International Meeting, American Society of Agronomy, Oct. 29–Nov. 3, 1995, St. Louis, MO. American Society of Agronomy, Madison, WI.

Gressel, N.; McColl, J.G.; McGrath, A.E.; Powers, R.F. 1995. Spectroscopy of aqueous extracts of forest litter. I: Suitability of methods. Soil Sci. Soc. Am. J. 59: 1715–1723.

Gressel, N.; McColl, J.G.; Powers, R.F.; McGrath, A.E. 1995. Spectroscopy of aqueous extracts of forest litter. II: Effects of management practices. Soil Sci. Soc. Am. J. 59: 1723–1731.

Powers, R.F.; Tiarks, A.E.; Boyle, J.R. 1995. Soil properties as indicators of soil quality and forest health: a critique. Agron. Abstr. p. 312. International Meeting, American Society of Agronomy, Oct. 29–Nov. 3, 1995, St. Louis, MO. American Society of Agronomy, Madison, WI.

Powers, R.F.; Tiarks, A.E.; Buford, M.A. 1995. Influence of site disturbance on fundamental productivity and soil processes in pine plantations of the U.S.: the “LTSP experiment.” p. 68–70. In: Gaskin, R.E.; Zabkiewicz, J.A. (comp.) Proceedings, Second International Conference on Forest Vegetation Management; 20–24 March, 1995: Rotorua, New Zealand. FRI Bull. 192. Forest Res. Inst., Rotorua, New Zealand; NZ.

Powers, R.F.; Avers, P.E. 1995. Sustaining forest productivity through soil quality standards: a coordinated U.S. effort. p. 147–190. In: Abboud, S.A.; McGill, W.B. (eds.) Environmental Soil Science: Anthropogenic chemicals and soil quality criteria. Can. Soc. Soil Sci., Brandon, Manitoba.

Van Cleve, K.; Powers, R.F. 1995. Soil carbon, soil formation and ecosystem development. P. 155–200. In: McFee, W.W.; Kelly, J.M. (eds.) Carbon Forms and Functions in Forest Soils. Soil Sci. Soc. Am., Madison, WI.

Gressel, N.; McColl, J.G.; Preston, C.M.; Powers, R.F. 1994. Phosphorus and carbon linkages in forest soils: an NMR study. Agron. Abstr. p. 376. International Meeting, American Society of Agronomy, Nov. 13–18, 1994, Seattle, WA. American Society of Agronomy, Madison, WI.

Powers, R.F.; Mead, D.J.; Burger, M.W.; Ritchie, M.W. 1994. Designing long-term site productivity experiments. p. 247–286. In: Dyck, W.J.; Cole, D.W.; Comerford, N.B. (eds.) Impacts of Forest Harvesting on Long-Term Site Productivity. Chapman & Hall, London.

Siegel, C.M.; Powers, R.F.; Spear, T.H. 1994. Compaction and weed competition affect soil strength, moisture availability and growth of young conifers on contrasting soils. Agron. Abstr. p. 381. International Meeting, American Society of Agronomy, Nov. 13–18, 1994, Seattle, WA. American Society of Agronomy, Madison, WI.

Youngblood, A.; Everett, R.; Busse, M. 1994. Building National Forest System-research partnerships for ecosystem management of east-side Oregon and Washington forests. p. 207–214. In: Foley, L.H. (tech. coord.) Silviculture: from the Cradle of Forestry to Ecosystem Management. USDA For. Serv. Gen. Tech. Rep. SE-88. USDA Forest Service, Southern Forest Experiment Station, Asheville, NC.

Shea, R.W. 1993. Effects of prescribed fire and silvicultural activities on fuel mass and nitrogen redistribution in Pinus ponderosa ecosystems of central Oregon. MS thesis, 132 p. Oregon State University, Corvallis.

Tiarks, A.E.; Powers, R.F.; Alban, D.H.; Ruark, G.A.; Page-Dumroese, D.S. 1993. USFS long-term soil productivity national research project: a USFS cooperative research program. p. 236–241. In: Kimble, John (ed.) Utilization of Soil Survey Information for Sustainable Land Use. Proceedings of the Eight International Soil Management Workshop. Portland, OR. May 1993. USDA Soil Conservation Serv., Lincoln, NB.

Powers, R.F. 1992. Soil as a controlling factor in forest health and sustainability. p. 6–8. In: Proceedings, 40th Anniversary Meeting, California Forest Pest Council. Sacramento, CA. November 1991. Forest Pest Action Council, San Francisco, CA.

Powers, R.F. 1992. Are we maintaining the productivity of forest lands? Establishing guidelines through a network of long-term studies. p. 240–248. In: Pacific Rim Forestry-Bridging the World. Proceedings, 1991 Annual Convention, Society of American Foresters. San Francisco, CA. August 1991. Society Am. Foresters, Bethesda, MD.

Burger, J.A.; Powers, R.F. 1991. Field designs for testing hypotheses in long-term site productivity studies. p. 79–105. In: Dyck, W.J.; Mees, C.A. (eds.) Long-Term Field Trials to Assess Environmental Impacts of Harvesting. IEA/BE T6/A6 Rep. No. 5. FRI Bull. No. 161. Forest Res. Inst., Rotorua, New Zealand.

Paz, L.W. 2001. Soil-water characteristics and hydrologic implications following forest soil disturbance. The relative influence of organic residue and soil compaction on permeability and moisture capacity—a study on Cohasset soil in the Sierra Nevada mixed conifer zone. Ph.D. dissertation. Univ. California, Berkeley.

Powers, R.F. 1991. Are we maintaining the productivity of forest lands? Establishing guidelines through a network of long-term studies. p. 70–81. In: Harvey, A.E.; Neuenschwander, L.F. (comps.) Proceedings, Symposium on Management and Productivity of Western-Montane Forest Soils. Boise, ID. April 1990. Gen. Tech. Rep. INT-280. USDA Forest Service Intermountain Research Station, Ogden, UT.

Powers, R.F. 1991. Do timber management operations degrade long-term productivity? A research and national forest systems cooperative study. p. 101–115. In: Proceedings, National Silviculture Workshop. Petersburg, AK. July 1989. USDA Forest Serv. Timber Management. Washington, D.C.

Powers, R.F. 1990. Forest soils research to meet changing future needs. Abstracts, 1990 Annual Meeting of the American Association for the Advancement of Science, New Orleans, LA. p. 91.

Powers, R.F.; Alban, D.H.; Ruark, G.A.; Tiarks, A.E. 1990. A soils research approach to evaluating management impacts on long-term productivity. p. 127–145. In: Dyck, W.J.; Mees, C.J. (eds.) Impact of Intensive Harvesting on Forest Site Productivity. IEA/BE T6/A6 Rep. No. 2. FRI Bull. No. 159. Forest Research Inst., Rotorua, New Zealand.

Powers, R.F.; Alban, D.H.; Miller, R.E.; Tiarks, A.E.; Wells, C.G.; Avers, P.E.; Cline, R.G.; Fitzgerald, R.O.; Loftus, N.S., Jr. 1990. Sustaining site productivity in North America: problems and prospects. p. 49–79. In: Gessel, S.P.; Lacate, D.S.; Weetman, G.F.; Powers, R.F. (eds.) Sustained Productivity of Forest Soils. Proceedings, Seventh North American Forest Soils Conference. Vancouver, B.C. July 1988. Faculty of Forestry, Univ. British Columbia, Vancouver.

Powers, R.F. 1990. The soil as a fundamental resource. p. 4–5. In: Powers, R.F. (ed.) Sustaining site productivity on forestlands. A user's guide to good soil management. Publ. 21481. Div. Agr. & Natural Resources. University of California, Oakland.

Powers, R.F. (editor). 1990. Sustaining site productivity on forestlands. A user's guide to good soil management. Publ. 21481. Div. Agr. & Natural Resources. University of California, Oakland. 30 p.

Powers, R.F. 1990. Do timber management practices degrade long-term site productivity? What we know and what we need to know. p. 87–106. In: Proceedings, Eleventh Annual Forest Vegetation Management Conferrence. Sacramento, CA. November 1989. Forest Vegetation Management Conf., Redding, CA.

Powers, R.F. 1990. Designed stress experiments to evaluate the impacts of management practices on long-term site productivity. p. 39–40. In: Proceedings, Forestry and the World Around Us. 1989 Western Forestry Conference. Sacramento, CA. December 1989. Western Forestry & Conservation Assoc., Portland, OR.

Powers, R.F. 1990. Are we maintaining the productivity of forest lands? Establishing guidelines through a cooperative national program. p. 98–112. In: Schwitzer, D.L.; MacNaughton, M.J. (comp.) Proceedings, National Workshop on Monitoring Forest Plan Implementation. Minneapolis, MN. May 1990. USDA Forest Service Land Management Planning, Washington, D.C.

Powers, R.F. 1989. Maintaining long-term forest productivity in the Pacific Northwest: defining the issues. p. 3–16. In: Perry, D.A.; Meurisse, R.; Thomas, B.; Miller, R.; Boyle, J.; Means, J.; Perry, C.R.; Powers, R.F. (eds.) Maintaining the Long-Term Productivity of Pacific Northwest Forest Ecosystems. Timber Press, Inc. Portland, OR.

Powers, R.F.; Goudey, C.; Ragus, J.; Tiarks, A.; Alban, D.; Ruark, G. 1989. A proposed national study. Evaluating timber management impacts on long-term soil productivity: a Research and National Forest Systems cooperative study. p. 121–138. In: Proceedings, 1989 National Soil and Water Monitoring Workshop. Sacramento, CA. March 1989. WO-WSA-1. USDA Forest Service, Washington, D.C.

Atzet, T.; Powers, R.F.; McNabb, D.H.; Amaranthus, M.P.; Gross, E.R. 1989. Maintaining long-term forest productivity in southwest Oregon and northern California. p. 185–201. In: Perry, D.A.; Meurisse, R.; Thomas, B.; Miller, R.; Boyle, J.; Means, J.; Perry, C.R.; Powers, R.F. (eds.) Maintaining the Long-Term Productivity of Pacific Northwest Forest Ecosystems. Timber Press, Inc. Portland, OR.

Next page - Rocky Mountain Research Station Publications >