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Some pages in this file were created by scanning the printed publication. Errors identified by the software have been corrected; however, some errors may remain. United States Department of Agriculture Proceedings: Forest Service Rocky Mountain Research Station Shrubland Ecotones Proceedings RMRS-P-11 September1999 Abstract McArthur, E. Durant; Ostler, W. Kent; Wambolt, Carl L., comps. 1999. Proceedings: shrubland ecotones; 1998 August 12–14; Ephraim, UT. Proc. RMRS-P-11. Ogden, UT: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 299 p. The 51 papers in this proceedings include an introductory keynote paper on ecotones and hybrid zones and a final paper describing the mid-symposium field trip as well as collections of papers on ecotones and hybrid zones (15), population biology (6), community ecology (19), and community rehabilitation and restoration (9). All of the papers focus on wildland shrub ecosystems; 14 of the papers deal with one aspect or another of sagebrush (subgenus Tridentatae of Artemisia) ecosystems. The field trip consisted of descriptions of biology, ecology, and geology of a big sagebrush (Artemisia tridentata) hybrid zone between two subspecies (A. tridentata ssp. tridentata and A. t. ssp. vaseyana) in Salt Creek Canyon, Wasatch Mountains, Uinta National Forest, Utah, and the ecotonal or clinal vegetation gradient of the Great Basin Experimental Range, Manti-La Sal National Forest, Utah, together with its historical significance. The papers were presented at the 10th Wildland Shrub Symposium: Shrubland Ecotones, at Snow College, Ephraim, UT, August 12–14, 1998. Keywords: wildland shrubs, ecotone, hybrid zone, population biology, community ecology, restoration, rehabilitation. Acknowledgments The symposium, field trip, and subsequent publication of these proceedings were facilitated by many people and organizations. We thank all who helped. In particular we extend thanks to Dave Lanier and his staff of the Great Basin Experimental Education Center of Snow College for providing publicity, facilities, and all around support; President Gerald Day and Vice President Rick White of Snow College, Forest Supervisor Janette Kaiser and Ranger Tom Shore of the Manti-La Sal National Forest, and Forest Ecologist Dea Nelson and Ranger Tom Tidwell of the Uinta National Forest for hosting various aspects of the symposium and field trip; Scott Walker of the Utah Division of Wildlife Resources, Great Basin Research Center, Gary Jorgensen and Dick Tennent the Rocky Mountain Research Station Great Basin Experimental Range, and Kelly Memmott of the Rocky Mountain Research Station Shrub Sciences Laboratory for logistical support; and Sallie Wolsey of the Shrub Sciences Laboratory and volunteer Chris Kitchen for clerical and general support. Technical sessions were chaired ably by Kent Ostler, Barbara Wachocki, Eugene Schupp, and Carl Wambolt. Field trip leaders were Durant McArthur, Steve Monsen, and Richard Stevens. We thank the Rocky Mountain Research Station Publishing Services for preparing the final publication. E. Durant McArthur W. Kent Ostler Carl L. Wambolt Compilers The use of trade or firm names in this publication is for reader information and does not imply endorsement by the U.S. Department of Agriculture or any product or service Publisher’s note: Papers in this report were reviewed by the compilers. Rocky Mountain Research Station Publishing Services reviewed papers for format and style. Authors are responsible for content. Rocky Mountain Research Station 324 25th Street Ogden, UT 84401 Proceedings: Shrubland Ecotones Ephraim, UT, August 12–14, 1998 Compilers E. Durant McArthur, U.S. Department of Agriculture, Forest Service, Rocky Mountin Research Station, Shrub Sciences Laboratory, Provo, UT W. Kent Ostler, Bechtel Nevada, Las Vegas, NV Carl L. Wambolt, Department of Animal and Range Sciences, Montana State University, Bozeman, MT Shrub Research Consortium USDA Forest Service, Rocky Mountain Research Station, Shrub Sciences Laboratory*, Provo, Utah, E. Durant McArthur (chair) Brigham Young University*, Provo, Utah, Daniel J. Fairbanks USDA Agricultural Research Service, Renewable Resource Center*, Reno, Nevada, James A. Young Utah State University*, Logan, Eugene W. Schupp State of Utah, Department of Natural Resources, Division of Wildlife Resources*, Ephraim, Scott C. Walker University of California, Los Angeles, Philip W. Rundel Colorado State University, Ft. Collins, William K. Lauenroth University of Idaho, Moscow, Steven J. Brunsfeld University of Montana, Missoula, Donald J. Bedunah Montana State University, Bozeman, Carl L. Wambolt University of Nevada, Reno, Paul T. Tueller University of Nevada, Las Vegas, Stanley D. Smith Oregon State University, Corvallis, Lee E. Eddleman New Mexico State University, Las Cruces, Kelly W. Allred Texas A & M System, Texas Agricultural Experiment Station, San Angelo, Darrell N. Ueckert Texas Tech University, Lubbock, Ronald E. Sosebee USDA Agricultural Research Service, High Plains Grassland Research Station, Cheyenne, Wyoming, D. Terrance Booth USDA Agricultural Research Service, Jornada Experimental Range, Las Cruces, New Mexico, Jerry R. Barrow; USDA Forest Service, Rocky Mountain Research Service, Great Basin Ecology Laboratory, Reno, Nevada, Robin J. Tausch University of Utah, Salt Lake City, James R. Ehleringer Weber State University, Ogden, Utah, Barbara A. Wachocki Washington State University, Pullman, Benjamin A. Zamora University of Wyoming, Laramie, Stephen E. Williams Battelle Pacific Northwest Laboratories, Richland, Washington, Janelle L. Downs Bechtel Nevada, Las Vegas, Nevada, W. Kent Ostler *Charter members The Shrub Research Consortium was formed in 1983 with five charter members (see list). Over time SRC has grown to its present size of 25 institutional members. The SRC had three principal objectives in its charter: (1) developing plant materials for shrubland rehabilitation; (2) developing methods of establishing, renewing, and managing shrublands in natural settings; and (3) assisting with publication and dissemination of research results. These objectives have been met by a series of symposia sponsored by the Consortium and partners. This publication is the 10th in the series; the previous nine are listed on the next page. Proceedings of all publications to date have been published by the U.S. Department of Agriculture, Forest Service Intermountain Research Station and Rocky Mountain Research Station. The executive committee has plans for two more symposia: (1) in Provo, UT, in the year 2000 with a shrubland ecosystem genetics and biodiversity theme in conjunction with the 25th anniversary celebration of the establishment of the Rocky Mountain Research Station’s Shrub Sciences Laboratory; and (2) in Laramie, WY in 2002 with a shrubland ecosystem seeds and soil theme. Each symposium has had a theme but the executive committee has encouraged attendance and participation by shrubland ecosystem biologists and managers with wider interests than any particular symposium theme—the heart of the Consortium’s programs are wildland shrub ecosystem biology, research, and management. Availability of Previous Wildland Shrub Symposia Proceedings First: Tiedemann, A. R.; Johnson, K. L., compilers. 1983. Proceedings—research and management of bitterbrush and cliffrose in western North America; 1982 April 13-15; Salt Lake City, UT. General Technical Report INT-152. Ogden, UT: U.S. Department of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station. 279 p. Out of print— available from National Technical Information Service as document PB83-261537 A13. Second: Tiedemann, A. R.; McArthur, E. D.; Stutz, H. C.; Stevens, R.; Johnson, K. L., compilers. 1984. Proceedings—symposium on the biology of Atriplex and related chenopods; 1983 May 2-6; Provo, UT. General Technical Report INT-172. Ogden, UT: U. S. Department of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station. 309 p. Out of print—available from National Technical Information Service as document PB85-116358 A14. Third: McArthur, E. D.; Welch, B. L., compilers. 1986. Proceedings—symposium on the biology and management of Artemisia and Chrysothamnus; 1984 July 9-13; Provo, UT. General Technical Report INT-200. Ogden, UT: U.S. Department of Agriculture, Forest Service, Intermountain Research Station. 398 p. Out of print—available from National Technical Information Service as document PB86-182318 A18. Fourth: Provenza, F. D.; Flinders, J. T.; McArthur, E. D., compilers. 1987. Proceedings—symposium on plant herbivore interactions; 1985 August 7-9; Snowbird, UT. General Technical Report INT-222. Ogden, UT: U.S. Department of Agriculture, Forest Service, Intermountain Research Station. 398 p. A few copies are available from the Rocky Mountain Research Station; otherwise available from National Technical Information Service as document PB90-228578 A09. Fifth: Wallace, A.; McArthur, E. D.; Haferkamp, M. R., compilers. 1989. Proceedings—symposium on shrub ecophysiology and biotechnology; 1987 June 30-July 2; Logan, UT. General Technical Report INT-256. Ogden, UT: U.S. Department of Agriculture, Forest Service, Intermountain Research Station 183 p. Available from the Rocky Mountain Research Station. Sixth: McArthur, E. D.; Romney, E. M.; Smith S. D.; Tueller, P. T., compilers. 1990. Proceedings—symposium on cheatgrass invasion, shrub die-off, and other aspects of shrub biology and management; 1989 April 5-7; Las Vegas, NV. General Technical
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