Planning riparian restoration in the context of tamarix control in Western North America

Restoration Ecology

Volumn 16, Issue 1, 2008, Pages 97-112

  Shafroth, Patrick B ^a   Beauchamp, Vanessa B ^b   Briggs, Mark K ^c   Lair, Kenneth ^d   Scott, Michael L ^a   Sher, Anna A ^e,f  

^a FORT COLLINS SCIENCE CENTER   (United States)

^b TOWSON UNIVERSITY   (United States)

^c WORLD WILDLIFE FUND   (United States)

^d DENVER FEDERAL CENTER   (United States)

^e Research and Conservation   (United States)

^f UNIVERSITY OF DENVER   (United States)

Author keywords

Invasive species; Passive restoration; Revegetation; Saltcedar; Soil salinity; Tamarisk

Indexed keywords

ADAPTIVE MANAGEMENT; ANGIOSPERM; INVASIVE SPECIES; RESTORATION ECOLOGY; REVEGETATION; RIPARIAN VEGETATION;

NORTH AMERICA; UNITED STATES;

TAMARICACEAE; TAMARIX;

EID: 40849130267     PISSN: 10612971     EISSN: 1526100X     Source Type: Journal    
DOI: 10.1111/j.1526-100X.2008.00360.x     Document Type: Article

References (119)

1. Allen, M. F. 1991. The ecology of Mycorrhizae. Cambridge University Press, Cambridge, United Kingdom.
2. Allen, E. B. 1995. Restoration ecology: Limits and possibilities in arid and semiarid lands. Pages 7-15 in B. A. Roundy, E. D. McArthur, J. S. Haley, and D. K. Mann, editors. Proceedings: Wildland shrub and arid land restoration symposium, Las Vegas, Nevada, 19-21 October 1993. USDA Forest Service General Technical Report INT-GTR-315, Ogden, Utah.
3. Allen, E. B., and M. F. Allen. 1984. Competition between plants at different successional stages: Mycorrhizae as regulators. Canadian Journal of Botany 62: 2625-2629.
4. Allen, M. F., and E. B. Allen. 1986. Competition and mycorrhizae: patterns and mechanisms. American Journal of Botany 73: 692.
5. Alpert, P., and J. L. Maron. 2000. Carbon addition as a countermeasure against biological invasion by plants. Biological Invasions 2: 33-40.
6. Anderson, B. W. 1995. Salt cedar, revegetation and riparian ecosystems in the Southwest. Proceedings of the California Exotic Plant Pest Council 1995 Symposium. (http://www.cal-ipc.org/symposia/archive/pdf/ 1995_symposium_proceedings1797.pdf) accessed 27 January 2008.
7. Anderson, B. 1998. The case for saltcedar. Restoration & Management Notes 16: 130-134.
8. Anderson, B. W., R. E. Russell, and R. D. Ohmart. 2004. Riparian revegetation: An account of 2 decades of experience in the arid southwest. Avvar Books, Blythe, California.
9. Bay, R. F., and A. A. Sher. Success of active revegetation after Tamarix Removal in riparian ecosystems of the southwestern USA: A Quantitative Assessment of Past Restoration Projects. Restoration Ecology 15: 113-128.
10. Beauchamp, V. B., and J. C. Stutz. 2005. Interactions between Tamarix ramosissima (saltcedar), Populus fremontii (cottonwood), and mycorrhizal fungi: Effects on seedling growth and plant species coexistence. Plant and Soil 275: 221-231.
11. Bernstein, L. 1958. Salt tolerance of grasses and forage legumes. USDA Agricultural Information Bulletin No. 194. Washington, D.C.
12. Bhattacharjee, J., J. P. Taylor, and L. M. Smith. 2006. Controlled flooding and staged drawdown for restoration of native cottonwoods in the middle Rio Grande valley, New Mexico, USA. Wetlands 26: 691-702.
13. Blossey, B. 1999. Before, during and after: The need for long-term monitoring in invasive plant species management. Biological Invasions 1: 301-311.
14. Bonham, C. D. 1989. Measurements for terrestrial vegetation. Wiley and Sons, New York.
15. Briggs, M. K. 1996. Riparian ecosystem restoration in arid lands: strategies and references. The University of Arizona Press, Tucson.
16. Briggs, M. K., and S. Cornelius. 1998. Opportunities for ecological improvement along the lower Colorado River and delta. Wetlands 18: 513-529.
17. Briggs, M. K., and M. L. Flores. 2003. Small-scale restoration project promotes regional restoration in the Colorado River Delta: A testament to the power of tangible restoration at the community level. Southwest Hydrology 2: 24-26.
18. Briggs, M. K., B. A. Roundy, and W. W. Shaw. 1994. Trial and error: assessing the effectiveness of riparian revegetation in Arizona. Restoration and Management Notes 12: 160-167.
19. Brinson, M. M., B. L. Swift, R. C. Plantico, and J. S. Barclay. 1981. Riparian ecosystems: Their ecology and status. U.S. Fish and Wildlife Service, Office of Biological Services, Washington, D.C.
20. Brock, J. H. 1994. Tamarix spp. (salt cedar), an invasive exotic woody plant in arid and semi-arid riparian habitats of western USA. Pages 27-44 in L. C. de Waal, L. E. Child, P. M. Wade, and J. H. Brock, editors. Ecology and management of invasive riverside plants. John Wiley and Sons, New York.
21. Brooks, M. L. 2003. Effects of increased soil nitrogen on the dominance of alien annual plants in the Mojave Desert. Journal of Applied Ecology 40: 344-353.
22. Brundrett, M., N. Bougher, B. Dell, T. Grove, and N. Malajczuk. 1996. Working with mycorrhizas in forestry and agriculture. ACIAR Monograph 32, Pirie Printers, Canberra, Australia.
23. Brunner, G. W. 2002. HEC-RAS: River Analysis System User's Manual. U.S. Army Corps of Engineers, Hydraulic Engineering Center, CPD-68. Davis, California.
24. Burton P. J., and C. M. Burton. 2002. Promoting genetic diversity in the production of large quantities of native plant seed. Ecological Restoration 20: 117-123.
25. Clewell, A., J. Rieger, and J. Munro. 2000. A Society for Ecological Restoration Publication: Guidelines for developing and managing ecological restoration projects. (http://www.ser.org/content/ guidelines_ecological_restoration.asp) accessed 15 December 2006.
26. Cook C. W., and J. Stubbendieck. 1986. Range research: Basic problems and techniques. Society for Range Management, Denver, Colorado.
27. Corbin, J. D., and C. M. D'Antonio. 2004. Can carbon addition increase competitiveness of native grasses? A case study from California. Restoration Ecology 12: 36-43.
28. D'Antonio, C., and L. A. Meyerson. 2002. Exotic plant species as problems and solutions in ecological restoration: A synthesis. Restoration Ecology 10: 703-713.
29. de Waal, L. C., L. E. Child, P. M. Wade, and J. H. Brock, editors. 1994. Ecology and management of invasive riverside plants. John Wiley and Sons, New York.
30. Dick-Peddie, W. A. 1993. New Mexico vegetation: Past, present and future. University of New Mexico Press, Albuquerque.
31. DiTomaso, J. M. 1998. Impact, biology, and ecology of saltcedar (Tamarix spp.) in the southwestern United States. Weed Technology 12: 326-336.
32. Dixon R. M. 1990. Land imprinting for dryland revegetation and restoration. Pages 14-22 in J. J. Berger, editor. Environmental restoration: Science and strategies for restoring the Earth. Island Press, Covelo, California.
33. Dudley, T. L., C. J. DeLoach, J. E. Lovich, and R. I. Carruthers. 2000. Saltcedar invasion of western riparian areas: Impacts and new prospects for control. Pages 345-381 in R. E. McCabe, and S. E. Loos, editors. Transactions of the 65th North American wildlife and natural resource conference. Wildlife Management Institute, Washington, D.C.
34. Egler, F. E. 1954. Vegetation science concepts. I. Initial floristic composition: A factor in old-field development. Vegetatio 4: 412-417.
35. Elzinga, C. L., D. W. Salzer, and J. W. Willoughby. 1998. Measuring and monitoring plant populations. U.S. Bureau of Land Management Technical Reference 1730-1. Denver, Colorado.
36. FWPCA (Federal Water Pollution Control Administration). 1968. Water quality criteria: Report to the National Technical Advisory Committee to the Secretary of the Interior. Federal Water Pollution Control Administration, Washington, D.C.
37. FAO (Food and Agriculture Organization). 2000. Agricultural drainage water management in arid and semi-arid areas. FAO Irrigation and Drainage Paper 61 (Annex 1 and Annex 6). ftp://ftp.fao.org/docrep/fao/ 005/y4263e/y4263e11.pdf - Annex 1; ftp://ftp.fao.org/docrep/fao/005/ y4263e/y4263e16.pdf - Annex 6.
38. Friedman, J. M., M. L. Scott, and W. M. Lewis, Jr. 1995. Restoration of riparian forest using irrigation, artificial disturbance, and natural seedfall. Environmental Management 19: 547-557.
39. Gaskin, J. F., and B. A. Schaal. 2002. Hybrid Tamarix widespread in U.S. invasion and undetected in native Asian range. Proceedings of the National Academy of Sciences 99: 11256-11259.
40. Gieck, S. 2006. Restoration of tamarisk invaded lands. M.S. thesis. University of Denver, Denver, Colorado.
41. Gilpin, M. E. 1987. Experimental community assembly: Competition, community structure and the order of species introductions, Pages 151-162 in W. R. Jordan III, M. E. Gilpin, and J. D. Aber, editors. Restoration ecology, a synthetic approach to ecological research. Cambridge University Press, Cambridge, United Kingdom.
42. Glenn, E. P., and P. L. Nagler. 2005. Comparative ecophysiology of Tamarix ramosissima and native trees in western U.S. riparian zones. Journal of Arid Environments 61: 419-446.
43. Goodson, J. M., A. M. Gurnell, P. G. Angold, and I. P. Morrissey. 2001. Riparian seed banks: Structure, process and implications for riparian management. Progress in Physical Geography 25: 310-325.
44. Grime, J. P. 1979. Plant strategies and vegetation processes. John Wiley & Sons, New York. 222 pp.
45. Hansen, D., C. M. McKell, S. L. Clark, and L. Hobbs. 1991. Native plant establishment techniques for successful roadside revegetation. Utah Department of Transportation, Salt Lake City, Utah.
46. Hanson, D. E. 1991. Russian knapweed interference with corn VA mycorrhiza, western wheatgrass, and smooth brome. M.S. thesis, Colorado State University, Fort Collins.
47. Hardy, T., P. Panja, and D. Mathias. 2005. WinXSPRO, A channel cross section analyzer users manual, version 3.0. USDA Forest Service General Technical Report RMRS-GTR-147. USDA Forest Service, Fort Collins, Colorado.
48. Harms, R. S., and R. D. Hiebert. 2006. Vegetation response following invasive tamarisk (Tamarix spp.) removal and implications for riparian restoration. Restoration Ecology 14: 461-472.
49. Harrelson, C. C., C. L. Rawlins, and J. P. Potyondy. 1994. Stream channel reference sites: An illustrated guide to field technique. USDA Forest Service General Technical Report RM-245. U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, Fort Collins, Colorado.
50. Hart, C. R., L. D. White, A. McDonald, and Z. Sheng. 2005. Saltcedar control and water salvage on the Pecos river, Texas, 1999-2003. Journal of Environmental Management 75: 399-409.
51. Hedman, E. R., and W. R. Osterkamp. 1982. Streamflow characteristics related to channel geometry of streams in western United States. U.S. Geological Survey Water-Supply Paper 2193. Washington, D.C.
52. Henriksen, J. A., J. Heasley, J. G. Kennen, and S. Nieswand. 2006. Users'manual for the hydroecological integrity assessment process software (including the New Jersey assessment tools). U.S. Geological Survey, Biological Resources Discipline, Open-File Report 2006-1093. Washington, D.C.
53. Herbel, C. H., G. H. Abernathy, C. C. Yarbrough, and D. K. Gardner. 1973. Rootplowing and seeding arid rangelands in the Southwest. Journal of Range Management 26: 193-197.
54. Holling, C. S. 1978. Adaptive environmental assessment and management. John Wiley and Sons, London, United Kingdom.
55. Holmes, P. M., D. M. Richardson, K. J. Esler, E. T. F. Witkowski, and S. Fourie. 2005. A decision-making framework for restoring riparian zones degraded by invasive alien plants in South Africa. South African Journal of Science 101: 553-564.
56. Hughes, F. M. R. 1997. Floodplain biogeomorphology. Progress in Physical Geography 21: 510-529.
57. Hughes, F. M. R., W. M. Adams, E. Muller, C. Nilsson, K. S. Richards, N. Barsoum, et al. 2001. The importance of different scale processes for the restoration of floodplain woodlands. Regulated Rivers: Research and Management 17: 325-345.
58. Hughes, F. M. R., A. Colston, and J. O. Mountford. 2005. Restoring riparian ecosystems: The challenge of accommodating variability and designing restoration trajectories. Ecology and Society 10: 12. (Available from http://www.ecologyandsociety.org/vol10/iss1/art12/)
59. Hughes, F. M. R., and S. B. Rood. 2003. Allocation of river flows for restoration of floodplain forest ecosystems: A review of approaches and their applicability in Europe. Environmental Management 32: 12-33.
60. Johnson, N. C., T. E. O'Dell, and C. S. Bledsoe. 1999. Methods for ecological studies of mycorrhizae. Pages 378-412 in G. P. Robertson, D. C. Coleman, C. S. Bledsoe, and P. Sollins, editors. Standard soil methods for long-term ecological research. Oxford University Press, New York.
61. Jolly, I. D., G. R. Walker, and P. J. Thorburn. 1993. Salt accumulation in semi-arid floodplain soils with implications for forest health. Journal of Hydrology 150: 589-614.
62. Kline, V. A., and E. A. Howell. 1987. Prairies. Pages 75-83 in W. R. Jordan III, M. E. Gilpin, and J. D. Aber, editors. Restoration ecology, a synthetic approach to ecological research. Cambridge University Press, Cambridge, United Kingdom.
63. Kondolf, G. M., and H. Piegay, editors. 2003. Tools in fluvial geomorphology. John Wiley and Sons, Chichester, United Kingdom.
64. Kotuby-Amacher, J., R. Koenig, and B. Kitchen. 2000. Salinity and plant tolerance. Utah State University Cooperative Extension Publication AG-SO-03. Logan.
65. Krebs, C. J. 1999. Ecological methodology. Benjamin/Cummings, Menlo Park, California.
66. Lair, K. D., and S. L. Wynn. 2002a. Revegetation strategies and technology development for restoration of xeric Tamarix infestation sites. Technical memo no. 8220-02-04. Bureau of Reclamation Technical Service Center, Denver, Colorado.
67. Lair, K. D., and S. L. Wynn. 2002b. Revegetation strategies and technology development for restoration of xeric Tamarix infestation sites following fire. Technical memo no. 8220-02-06. Bureau of Reclamation Technical Service Center, Denver, Colorado.
68. Magurran, A. E. 1988. Ecological diversity and its measurement. Princeton University Press, Princeton, New Jersey.
69. Mahoney, J. M., and S. B. Rood. 1998. Streamflow requirements for cottonwood seedling recruitment: An interactive model. Wetlands 18: 634-645.
70. McKay J. K., C. E. Christian, S. Harrison, and K. J. Rice. 2005. "How local is local?"-A review of practical and conceptual issues in the genetics of restoration. Restoration Ecology 13: 432-440.
71. McWilliams, D. 2003. Soil salinity and sodicity limits efficient plant growth and water use. New Mexico State University Cooperative Extension Service Guide A-140. Las Cruces.
72. Meinzer, O. E. 1927. Plants as indicators of ground water. U.S. Geological Survey Water Supply Paper 577, Washington, D.C.
73. Merritt, D. M., and E. E. Wohl. 2002. Processes governing hydrochory along rivers: Hydraulics, hydrology, and dispersal phenology. Ecological Applications 12: 1071-1087.
74. Nagler, P. L., O. Hinojosa-Huerta, E. P. Glenn, J. Garcia-Hernandez, R. Romo, C. Curtis, A. R. Huete, and S. G. Nelson. 2005. Regeneration of native trees in the presence of invasive saltcedar in the Colorado River Delta. Conservation Biology 19: 1842-1852.
75. Naiman, R. J., H. Decamps, and M. E. McClain, editors. 2005. Riparia: ecology, conservation, and management of streamside communities. Elsevier Academic Press, San Diego, Calilfornia.
76. NRCS (Natural Resources Conservation Service). 1996. Plant materials for saline-alkali soils. NRCS Montana Plant Materials Technical Note No. 26 (rev). USDA-NRCS, Bridger, Montana.
77. Ogle, D. 1994. Salt tolerance of plants. Plant Materials Technical Note No. 9. USDA-NRCS, Boise, Idaho.
78. Palmer, M. A., E. S. Bernhardt, J. D. Allan, P. S. Lake, G. Alexander, S. Brooks, et al. 2005. Standards for ecologically successful river restoration. Journal of Applied Ecology 42: 208-217.
79. Pastorok, R. A., A. MacDonald, J. R. Sampson, P. Wilber, D. J. Yozzo, and J. P. Titre. 1997. An ecological decision framework for environmental restoration projects. Ecological Engineering 9: 89-107.
80. Pinkney, F. C. 1992. Revegetation and enhancement of riparian communities along the lower Colorado River. U.S. Department of the Interior, Bureau of Reclamation, Ecological Resources Division, Denver, Colorado.
81. Poff, N. L., J. D. Allan, M. B. Bain, J. R. Karr, K. L. Presegaard, B. D. Richter, and J. C. Stromberg. 1997. The natural flow regime: A paradigm for river conservation and restoration. BioScience 47: 769-784.
82. Redente, E. F., and E. J. Depuit. 1988. Reclamation of drastically disturbed rangeland. Pages 559-584 in P. T. Tueller, editor. Vegetation science applications for rangeland analysis and management. Kluwer Academic Publishers, The Netherlands.
83. Rhoades, J. D. 1982. Reclamation and management of salt-affected soils after drainage. Soil and Water Management Seminar. Pages 123-197 in Proceedings of the First Annual Western Provincial Conference: Rationalization of Water and Soil Research and Management. Lethbridge, Alberta, Canada.
84. Richardson, D. M., P. M. Holmes, K. J. Esler, S. M. Galatowitsch, J. C. Stromberg, S. P. Kirkman, P. Pysek, and R. J. Hobbs. 2007. Riparian vegetation: Degradation, alien plant invasions, and restoration prospects. Diversity and Distributions 13: 126-139.
85. Richardson, D. M., and B. W. van Wilgen. 2004. Invasive alien plants in South Africa: How well do we understand the ecological impacts? South African Journal of Science 100: 45-52.
86. Richter, B. D., J. V. Baumgartner, J. Powell, and D. P. Braun. 1996. A method for assessing hydrologic alteration within ecosystems. Conservation Biology 10: 1163-1174.
87. Robertson, G. P., D. C. Coleman, C. S. Bledsoe, and P. Sollins. 1999. Standard soil methods for long-term ecological research. Oxford University Press, New York.
88. Romney, E. M., A. Wallace, and R. B. Hunter. 1987. Pulse establishment of woody shrubs on denuded Mojave desert land. Pages 54-57 in E. D. McArthur, A. Wallace, and M. Haferkamp, editors. Proceedings: Symposium on shrub ecophysiology and biotechnology. USDA Forest Service General Technical Report INT-GTR-256. USDA Forest Service, Ogden, Utah.
89. Rood, S. B., C. R. Gourley, E. M. Ammon, L. G. Heki, J. R. Klotz, M. L. Morrison, D. Mosley, G. G. Scoppettone, S. Swanson, and P. L. Wagner. 2003. Flows for floodplain forests: A successful riparian restoration. BioScience 53: 647-656.
90. Rood, S. B., G. M. Samuelson, J. H. Braatne, C. R. Gourley, F. M. R. Hughes, and J. M. Mahoney. 2005. Managing river flows to restore floodplain forests. Frontiers in Ecology and the Environment 3: 193-201.
91. Schwartz, M. W., J. D. Hoeksema, C. A. Gehring, N. C. Johnson, J. N. Klironomos, L. K. Abbott, and A. Pringle. 2006. The promise and potential consequences of the global transport of mycorrhizal fungal inoculum. Ecology Letters 9: 501-515.
92. Scott, M. L., G. C. Lines, and G. T. Auble. 2000. Channel incision and patterns of cottonwood stress and mortality along the Mojave River, California. Journal of Arid Environments 44: 399-414.
93. Shafroth, P. B., G. T. Auble, J. C. Stromberg, and D. T. Patten. 1998. Establishment of woody riparian vegetation in relation to annual patterns of streamflow, Bill Williams River, Arizona. Wetlands 18: 577-590.
94. Shafroth, P. B., J. R. Cleverly, T. L. Dudley, J. P. Taylor, C. van Riper III, E. P. Weeks, and J. N. Stuart. 2005. Control of Tamarix in the western United States: Implications for water salvage, wildlife use, and riparian restoration. Environmental Management 35: 231-246.
95. Shafroth, P. B., J. C. Stromberg, and D. T. Patten. 2000. Woody riparian vegetation response to different alluvial water table regimes. Western North American Naturalist 60: 66-76.
96. Sheets, K. R., J. P. Taylor, and J. M. H. Hendrickx. 1994. Rapid salinity mapping by electromagnetic induction for determining riparian restoration potential. Restoration Ecology 2: 242-246.
97. Sher, A. A., and D. L. Marshall. 2003. Competition between native and exotic floodplain tree species across water regimes and soil textures. American Journal of Botany 90: 413-422.
98. Sher, A. A., D. L. Marshall, and J. P. Taylor. 2002. Establishment patterns of native Populus and Salix in the presence of invasive nonnative Tamarix. Ecological Applications 12: 760-772.
99. Smith, S., A. A. Sher, and T. A. Grant. 2007. Genetic diversity in restoration materials and the impacts of seed collection in Colorado's restoration plant production industry. Restoration Ecology 15: 369-374.
100. Smith, S. E., and J. D. Read. 1997. Mycorrhizal symbiosis. Academic Press, San Diego, California.
101. Sogge, M. K., S. J. Sferra, and E. H. Paxton. Tamarix as habitat for birds: Implications for riparian restoration in the southwestern United States. Restoration Ecology 16: 146-154.
102. Stromberg, J. C. 2001. Restoration of riparian vegetation in the south-western United States: Importance of flow regimes and fluvial dynamism. Journal of Arid Environments 49: 17-34.
103. Stromberg, J. C., V. B. Beauchamp, M. D. Dixon, S. Lite, and C. Paradzick. 2007a. Importance of low-flow and high-flow characteristics to restoration of riparian vegetation in arid south-western United States. Freshwater Biology 52: 651-679.
104. Stromberg, J. C., M. Briggs, M. Scott, and P. Shafroth. 2004. Riparian Ecosystem Assessments in M. B. Baker, Jr, P. F. Ffolliott, L. F. DeBano, and D. G. Neary, editors. Riparian areas of the southwestern United States: Hydrology, Ecology and Management. CRC Press, Boca Raton, Florida.
105. Stromberg, J. C., S. J. Lite, R. Marler, C. Paradzick, P. B. Shafroth, D. Shorrock, J. M. White, and M. S. White. 2007b. Altered stream-flow regimes and invasive plant species: The Tamarix case. Global Ecology and Biogeography 16: 381-393.
106. Stromberg, J. C., R. Tiller, and B. Richter. 1996. Effects of groundwater decline on riparian vegetation of semiarid regions: The San Pedro, Arizona. Ecological Applications 6: 113-131.
107. Stutz, J. C., and J. B. Morton. 1996. Successive pot cultures reveal high species richness of arbuscular endomycorrhizal fungi in arid ecosystems. Canadian Journal of Botany 74: 1883-1889.
108. Swift, C. E. 2003. Salt tolerance of various temperate zone ornamental plants. Colorado State University Cooperative Extension Service. Tri River Area, Grand Junction, Colorado.
109. Taylor, J. P., and K. C. McDaniel. 1998. Restoration of saltcedar (Tamarix spp.)-infested floodplains on the Bosque del Apache National Wildlife Refuge. Weed Technology 12: 345-352.
110. Taylor, J. P., D. B. Wester, and L. M. Smith. 1999. Soil disturbance, flood management, and riparian woody plant establishment in the Rio Grande floodplain. Wetlands 19: 372-382.
111. Tickner, D. P., P. G. Angold, A. M. Gurnell, and J. O. Mountford. 2001. Riparian plant invasions: Hydrogeomorphological control and ecological impacts. Progress in Physical Geography 25: 22-52.
112. Titus, J. H., P. J. Titus, R. S. Nowak, and S. D. Smith. 2002. Arbuscular mycorrhizae of Mojave Desert plants. Western North American Naturalist 62: 327-334.
113. Tranel, P. J., and T. R. Wright. 2002. Resistance of weeds to ALS-inhibiting herbicides: What have we learned? Weed Science 50: 700-712.
114. Walters, C. 1986. Adaptive management of renewable resources. MacMillan, New York.
115. Webb, A. A., and W. D. Erskine. 2003. A practical scientific approach to riparian vegetation rehabilitation in Australia. Journal of Environmental Management 68: 329-341.
116. White, P. S., and J. L. Walker. 1997. Approximating nature's variation: selecting and using reference information in restoration ecology. Restoration Ecology 5: 338-349.
117. Young, J. A., and C. G. Young. 1986. Collecting, processing and germinating seeds of wildland plants. Timber Press, Portland, Oregon.
118. Zavaleta, E. 2000. The economic value of controlling an invasive shrub. Ambio 29: 462-467.
119. Zavaleta, E. S., R. J. Hobbs, and H. A. Mooney. 2001. Viewing invasive species removal in a whole-ecosystem context. Trends in Ecology and Evolution 16: 454-459.