Invasives Research
Related
Contact Information

Invasives Team Leader
Rocky Mountain Research Station
800 E. Beckwith Ave.
Missoula, MT 59801

web steward

Forest Service Research / Rocky Mountain Research Station / Wildlife Program / Ecology and Management of Invasive Species

Wildlife and Terrestrial Ecosystems:
Ecology and Management of Invasive Species

Ecological Letters Cover
ESA Buletin cover

Publications

Note: Please visit our Wildlife and Terrestrial Habitats publication database for additional publications unrelated to invasive species.

Search invasives publications for


Ortega, Y.K., D.E. Pearson, L.P. Waller, N.J. Sturdevant, J.M. Maron. 2012. Population-level compensation impedes biological control of an invasive forb and indirect release of a native grass. Ecology, 93(4), pp. 783–792.
full text PDF

Pearson, D. E., Y. K. Ortega, and S. Sears. 2012. Darwin's naturalization hypothesis up-close: intermountain grassland invaders differ morphologically and phenologically from native community dominants. Biological Invasions 14:901-913.
full text PDF

Maron, J. L., and D. E. Pearson. 2011. Vertebrate predators have minimal cascading effects on plant production or seed predation in an intact grassland ecosystem. Ecology Letters 14:661-669.
full text PDF

Ortega, Y. K., and D. E. Pearson. 2011. Long-term effects of weed control with picloram along a gradient of spotted knapweed invasion. Rangeland Ecol Manage 64:67–77 | January 2011 | DOI: 10.2111/REM-D-10-00034.1
full text PDF

Pearson, D. E., M. Kim, and J. Butler, eds. 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. 38 p.
full text PDF

Pearson, D.E., R.M. Callaway, J.L. Maron. 2011. Biotic resistance via granivory: establishment by invasive, naturalized and native asters reflects generalist preference. Ecology 92:1748-1757.
full text PDF

Maron, J. L., D. E Pearson, S. M. Hovick, and W. P. Carson. 2010. Funding needed for assessments of weed biological control. Frontiers in Ecology and the Environment: Vol. 8, No. 3, pp. 122-123. doi: 10.1890/10.WB.013
full text PDF

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

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

Butler, J., Pearson, D.; Kim, M. 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.
full text PDF

Crone, E. E., M. Marler, D. E. Pearson. 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.
full text PDF

Hansen, A. K., Y. K. Ortega, and D. L. Six. 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.
full text PDF

Pearson, D.E. 2009. Invasive plant architecture alters trophic interactions by changing predator abundance and behavior. Oecologia (2009) 159:549-558.
full text PDF

Pearson, D.E. 2009. Biological invasions on oceanic islands: implications for island ecosystems and avifauna. . Pages 3-14 in Proceedings of the 3rd International Symposium on Migratory Birds. Seabirds in danger: invasive species and conservation of island ecosystems. Keynote address. Mokpo, Korea, 25 September.
full text PDF

Pearson, D.E. and Y.K. Ortega. 2009. Managing invasive plants in natural areas: moving beyond control. Pgs. 1-21 in (ed.) Rudolf V. Kingley, Weeds: Management, Economic Impacts and Biology. Nova Publishers, NY.
full text PDF

Pearson, D. E. and R. J. Fletcher, Jr. 2008. Mitigating exotic impacts: restoring native deer mouse populations elevated by an exotic food subsidy. Ecological Applications18 (2):321-334.
full text PDF

Pearson, D. E. and R. M. Callaway. 2008. Weed biocontrol insects reduce native plant recruitment through second-order apparent competition. Ecological Applications, 18(6), pp. 1489-1500.
full text PDF

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.
full text PDF

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

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.
full text PDF

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

Pearson, D. E. 2005. Biological control is more than just natural enemies. Review of Natural Enemies: an Introduction to Biological Control. Trends in Ecology and Evolution 20: 10-11.
full text PDF

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.
full text PDF

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.
full text PDF

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.
full text HTML

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.
full text PDF

Pearson D. E., Y. K. Ortega, K. S. McKelvey and L. F. Ruggiero. 2001. Small mammal communities and habitat selection in Northern Rocky Mountain bunchgrass: Implications for exotic plant invasions. Northwest Science 75: 107-117.
full text PDF

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

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
full text PDF

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.
full text PDF