Wildlife and Terrestrial Ecosystems
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  • Southwest Forest Science Complex
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  • Flagstaff, AZ 86001-6381
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Maron, John L.; Pearson, Dean E.; Potter, Teal; Ortega, Yvette K. 2012. Seed size and provenance mediate the joint effects of disturbance and seed predation on community assembly. Journal of Ecology. 100: 1492-1500.

Ortega, Yvette K.; Pearson, Dean E.; Waller, Lauren P.; Sturdevant, Nancy J.; Maron, John L. 2012. Population-level compensation impedes biological control of an invasive forb and indirect release of a native grass. Ecology. 93(4): 783-792.

Pearson, Dean E.; Ortega, Yvette K.; Sears, Samantha J. 2012. Darwin's naturalization hypothesis up-close: Intermountain grassland invaders differ morphologically and phenologically from native community dominants. Biological Invasions. 14: 901-913.

Pearson, Dean E.; Potter, Teal; Maron, John L. 2012. Biotic resistance: Exclusion of native rodent consumers releases populations of a weak invader. Journal of Ecology. 100: 1383-1390.

Maron, John L.; Pearson, Dean E. 2011. Vertebrate predators have minimal cascading effects on plant production or seed predation in an intact grassland ecosystem. Ecology Letters. 14: 661-669.

Ortega, Yvette K.; Pearson, Dean E. 2011. Long-term effects of weed control with picloram along a gradient of spotted knapweed invasion. Rangeland Ecology & Management. 64:67-77.

Pearson, D. E.; Kim, M.; Butler, J. 2011. Rocky Mountain Research Station invasive species visionary white paper. Gen. Tech. Rep. RMRS-GTR-265. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 37 p.

Pearson, Dean E.; Callaway, Ragan M.; Maron, John L. 2011. Biotic resistance via granivory: Establishment by invasive, naturalized, and native asters reflects generalist preference. Ecology. 92(9): 1748-1757.

Maron, John L.; Pearson, Dean E.; Hovick, Stephen M.; Carson, Walter P. 2010. Funding needed for assessments of weed biological control. Frontiers in Ecology and the Environment. 8(3): 122-123.

Ortega, Yvete K.; Pearson, Dean E. 2010. Effects of picloram application on community dominants vary with initial levels of spotted knapweed (Centaurea stoebe) invasion. Invasive Plant Science and Management. 3: 70-80.

Pearson, Dean E. 2010. Trait- and density-mediated indirect interactions initiated by an exotic invasive plant autogenic ecosystem engineer. The American Naturalist. 176(4): 394-403.

Butler, Jack; Pearson, Dean; Kim, Mee-Sook. 2009. Invasive Species Working Group: Research Summary and Expertise Directory. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 20 p.

Crone, Elizabeth E.; Marler, Marilyn; Pearson, Dean E. 2009. Non-target effects of broadleaf herbicide on a native perennial forb: a demographic framework for assessing and minimizing impacts. Journal of Applied Ecology. 46: 673-682.

Hansen, Allison K.; Ortega, Yvette K.; Six, Diana L. 2009. Comparison of ground beetle (Coleoptera: Carabidae) assemblages in Rocky Mountain savannas invaded and un-invaded by an exotic forb, spotted knapweed. Northwest Science. 83(4): 348-360.

Pearson, Dean E. 2009. Invasive plant architecture alters trophic interactions by changing predator abundance and behavior. Oceologia. 159: 549-558.

Pearson, Dean E. 2009. Biological invasions on oceanic islands: Implications for island ecosystems and avifauna. In: Chae, H.Y.; Choi, C.Y.; Nam, H.Y., eds. Seabirds in danger: Invasive species and conservation of island ecosystem; proceeding, 3rd international symposium on migratory birds; 25 September 2009; Mokpo, Korea. Shinan, Korea: National Park Migratory Birds Center. p. 3-16.

Pearson, Dean; Ortega, Yvette. 2009. Managing invasive plants in natural areas: Moving beyond weed control. In: Kingely, Rudolph V., ed. Weeds: Management, Economic Impacts and Biology. Hauppauge, NY: Nova Science Publishers, Inc. p. 1-21.

Pearson, Dean E.; Fletcher, Robert J., Jr. 2008. Mitigating exotic impacts: restoring native deer mouse populations elevated by an exotic food subsidy. Ecological Applications. 18(2): 321-334.

Pearson, Dean E.; Callaway, Ragan M. 2008. Weed biocontrol insects reduce native plant recruitment through second-order apparent competition. Ecological Applications. 18(6): 1489­-1500.

Ortega Y.K., K.S. McKelvey, D.L. Six. 2006. Invasion of an exotic forb impacts reproductive success and site fidelity of a migratory songbird. Oecologia 149: 340-351.

Pearson, D.E. and R.M. Callaway. 2006. Biological control agents elevate hantavirus by subsidizing mice. Ecology Letters 9:442-449.

Sturdevant, N., S. Kegley, Y.K. Ortega, and D.E. Pearson. 2006. Evaluation of establishment of Cyphocleonus achates and its potential impact on spotted knapweed. USDA FS FHP General Technical Report 06-08:1-9.

Ortega, YK., and D.E. Pearson. 2005. Weak vs. Strong Invaders of Natural Plant Communities: Assessing Invasibility and Impact. Ecological Applications 15:651-661.

Pearson, D.E. 2005. Biological control is more than just natural enemies. Trends in Ecology and Evolution 20:10-11.

Pearson, D.E., and R.M. Callaway. 2005. Indirect nontarget effects of host-specific biological control agents: implications for biological control. Biological Control 35:288-298.

Ortega Y.K., D.E. Pearson, and K.S. McKelvey. 2004. Effects of biological control agents and exotic plant invasion on deer mouse populations. Ecological Applications 14:241-253.

Pearson, D.E. and R.M. Callaway. 2004. Response to Thomas et al.: biocontrol and indirect effects. Trends in Ecology and Evolution 19:62-63.

Pearson, D.E. and R.M. Callaway. 2003. Indirect effects of host-specific biological control agents. Trends in Ecology and Evolution 18(9):456-461.

Pearson, Dean E.; Ortega, Yvette K.; McKelvey, Kevin S.; Ruggiero, Leonard F. 2001. Small mammal communities and habitat selection in Northern Rocky Mountain bunchgrass: Implications for exotic plant invasions. Northwest Science. 75: 107-117.

Pearson, Dean E.; Ortega, Yvette K. 2001. An indirect dispersal pathway for spotted knapweed seeds via deer mice and great-horned owls. Canadian Field-Naturalist. 115(2): 354.

Pearson D.E., K.S. McKelvey , L.F. Ruggiero. 2000. Non-target effects of an introduced biological control agent on deer mouse ecology. Oecologia 122 : 121-128.

Pearson, D. E. 1999. Deer mouse predation on the biological control agent, Urophora spp., introduced to control spotted knapweed. Northwestern Naturalist. 80(1): 26-29.

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