| 2006
Benson,
A. 2006. Spotted knapweed versus the chipping sparrow: effects
of exotic weed invasion on song development in a migratory passerine.
Missoula: University of Montana. Thesis.
Jensen, J.M.; Six, D.L. 2006. Myrmecochory of the exotic plant,
Centaurea maculosa: a potential mechanism enhancing invasiveness.
Environmental Entomology 35(2):326-331.
Ortega, Y.K.; McKelvey, K.S.; Six, D.L. 2006. Invasion of an
exotic forb impacts reproductive success and site fidelity of
a migratory songbird. Oecologia 149(2):340-351.
Ortega, Y.K.; Pearson, D.E. 2006. Final report to Forest Health
Protection: Analysis of FHP monitoring data to evaluate establishment
of Cyphocleonus achates and its potential impact on spotted
knapweed.
Ortega, Yvette; Pearson, Dean; McKelvey, Kevin. Goll-ly!
Don’t take a knapweed! The impact of nonnative plants
and animals on deer mice. 2006. The Natural Inquirer 8(1):58-76.
[Journal for middle school education.]
Ortega, Y.K., Pearson, D.E.; McKelvey, K.S.; Six, D.L. 2005.
Evaluating effects of herbicide for restoration of arthropod
and songbird communities. Final Report to FS-PIAP.
Pearson, D.E; Callaway, R.M. 2006. Biological control agents
elevate hantavirus by subsidizing mice. Ecology Letters 9:442-449.
Shick, K.R.; Pearson, D.E.; Ruggiero, L.F. 2006. Forest habitat
associations of the golden-mantled ground squirrel: implications
for fuels management. Northwest Science 80:133-139.
Sturdevant, N.; Kegley, S.; Ortega, Y.; Pearson, D. 2006. Evaluation
of establishment of Cyphocleonus achates and its potential impact
on spotted knapweed. USDA FS FHP General Technical Report 06-08:1-9.
2005
Adams,
S.B.; Schmetterling, D.A.; Young, M.K. 2005. Instream movements
by boreal toads. Herpetological Review 36(1):27-33.
Ortega,
Y.K.; Pearson, D.E. 2005. Strong versus weak invaders of natural
plant communities: distinguishing invasibility from impact.
Ecological Applications 15:651-661.
Pearson,
D.E. 2005. Biological control is more than just natural enemies.
Trends in Ecology and Evolution. 20(1):10-11.
2004
Adams,
S.B.; Schmetterling, D.A.; Young, M.K. [In Press] Instream movement
by boreal toads (Bufo boreas boreas). Herpetological Review.
Bitterroot
Ecosystem Management Research Project. 2004
Eco Report. Missoula, MT: U.S. Department of Agriculture,
Forest Service, Rocky Mountain Research Station, Forestry Sciences
Laboratory; Winter. 20 p.
Ortega,
Yvette K.; Pearson, Dean E.; McKelvey, Kevin S. 2004. Effects
of biological control agents and exotic plant invasion on deer
mouse populations. Ecological Applications. 14(1):241-253.
Pearson.
D.E. 2004. Wicked weed of the west. Smithsonian Magazine. October
2004.
Pearson,
D.E.; Callaway, R.M. 2004.
Response to Thomas et al.: biocontrol and indirect effects.Trends
in Ecology and Evolution. 19:62-63.
Shelley,
R.M. and D.L. Six. 2004. Discovery of the centipede, Scolopocrytops
gracilis Wood, in Montana (Scolopendromorpha: Scolopocryptopidae).
Western North American Naturalist. 64:257-258.
Young,
M.K.; Schmetterling, D.A. 2004. Electrofishing and trout movement:
reciprocal effects in two small montane streams. Journal of
Fish Biology. 64: 750-761. Abstract
2003
Fairchild,
Dianna. 2003. Comparative study of avian predation on grasshoppers
in native and spotted knapweed-invaded grasslands. University
of Montana, Missoula, MT 59812. 9 p. Senior Thesis.
Pearson,
Dean E.; Callaway, Ragan M.
Indirect effects of host-specific biological control agents.
Trends in Ecology and Evolution 18(9):456-461.
Pearson,
Dean E.; Callaway, Ragan M.; Ruggiero, Leonard F. 2003. Effects
of spotted knapweed and gall flies on Hantavirus prevalence
in western Montana. Missoula, MT: U.S. Department of Agriculture,
Forest Service, Rocky Mountain Research Station; Missoula, MT:
University of Montana. 2002 Report to Research Sponsors. 11
p.
Pearson,
Dean E.; Ortega, Yvette K.; Ruggiero, Leonard F. Trap-induced
mass declines in small mammals and the implications for body
mass as a negatively biased index. Journal of Wildlife Management
67(4):684-691.
Pearson,
Dean E.; Ruggiero, Leonard F. Transect versus grid trapping
arrangements for sampling small mammal communities. Wildlife
Society Bulletin 31(2): 454-459.
Six, Diana
L. 2003. Evaluating effects of herbicide and prescribed fire
on arthropod and songbird communities. Participating Agreement
Progress Report. April 15, 2003.
2002
Bitterroot
Ecosystem Management Research Project. 2002-03.
Eco-Report. Missoula, MT: U.S. Department of Agriculture,
Forest Service, Rocky Mountain Research Station, Forestry Sciences
Laboratory; Winter. 20 p.
Ortega,
Yvette K. 2002. Winter Range Restoration Treatments on the Lolo
National Forest: Summary of Pre-treatment Results for the Lolo
NF (December 10, 2002).
Ortega,
Yvette K.; Pearson, Dean E. 2002. Effects of exotic plant
invasion and associated biological control agents on deer mouse
populations. Peromyscus Newsletter 34:23.
Powell,
Hugh D.W.; Hejl, Sallie J.; Six, Diana L. 2002. Measuring woodpecker
food: a simple method for comparing wood-boring beetle abundance
among fire-killed trees. Journal of Field Ornithology. 73(2):
130-140.
Abstract
Tewksbury,
Joshua J.; Martin, Thomas E.; Hejl, Sallie J.; Kuehn, Michael
J.; Jenkins, J. Wajid. 2002.
Parental care of a cowbird host: caught between the costs of
egg-removal and nest predation. Proceedings of the Royal
Society of London 269 (1489): 423-429.
2001
Bitterroot
Ecosystem Management Research Project.
2001-02. Eco-Report. Missoula, MT: U.S. Department of Agriculture,
Forest Service, Rocky Mountain Research Station, Forestry Sciences
Laboratory; Winter. 20 p.
Ortega,
Yvette K.; Pearson, Dean E. 2001. Occurrences of the western
skink (eumeces skiltonianus) in grasslands of western
Montana. Northwestern Naturalist. 82(3): 125-126.
Pearson,
Dean E.; Ortega, Yvette K. 2001. Evidence of an indirect dispersal
pathway for spotted knapweed, Centaurea maculosa, seeds,
via deer mice, Peromyscus maniculatus, and great horned
owls, Bubo virginianus. Canadian Field-Naturalist. 115
(2): 354.
Six, Diana
L. 2001. Effects of spotted knapweed on arthropod communities.
Missoula, MT: University of Montana; Final Report RMRS-99593-RJVA.
19 p.
2000
Bitterroot
Ecosystem Management Research Project.
2000-01. Eco-Report. Missoula, MT: U.S. Department of Agriculture,
Forest Service, Rocky Mountain Research Station, Forestry Sciences
Laboratory; Winter. 16 p.
Foresman,
Kerry R. 2000. Overview of forest carnivore survey efforts in
the Bitterroot Mountains. In: Smith, Helen Y., ed. 2000. The
Bitterroot Ecosystem Management Research Project: what we have
learned: symposium proceedings; 1999 May 18-20; Missoula, MT.
Proc. RMRS-P-17. Ogden, UT: U.S. Department of Agriculture,
Forest Service, Rocky Mountain Research Station: 53-55.
Hejl,
Sallie. J.; Thompson, Thomas G. 2000. The effect of time period
on point count methodology for monitoring breeding birds. In:
Smith, Helen Y., ed. 2000. The
Bitterroot Ecosystem Management Research Project: what we have
learned: symposium proceedings;
1999 May 18-20; Missoula, MT. Proc. RMRS-P-17. Ogden, UT: U.S.
Department of Agriculture, Forest Service, Rocky Mountain Research
Station: 48-52.
Pearson,
Dean E. 2000. Small mammals of the Bitterroot National Forest:
ecological significance and guidelines for management. In: Smith,
Helen Y., ed. 2000. The
Bitterroot Ecosystem Management Research Project: what we have
learned: symposium proceedings; 1999 May
18-20; Missoula, MT. Proc. RMRS-P-17. Ogden, UT: U.S. Department
of Agriculture, Forest Service, Rocky Mountain Research Station:
45-47.
Ruggerio,
Len; Pearson, Dean. 2000. Presence/absence as a metric for monitoring
vertebrate populations. In: Smith, Helen Y., ed. 2000. The
Bitterroot Ecosystem Management Research Project: what we have
learned: symposium proceedings; 1999 May 18-20; Missoula, MT. Proc. RMRS-P-17.
Ogden, UT: U.S. Department of Agriculture, Forest Service, Rocky
Mountain Research Station: 41-44.
Smith,
Helen Y., ed. 2000. The
Bitterroot Ecosystem Management Research Project: what we have
learned: symposium proceedings; 1999 May
18-20; Missoula, MT. Proc. RMRS-P-17. Ogden, UT: U.S. Department
of Agriculture, Forest Service, Rocky Mountain Research Station.
154 p.
Smith,
Helen Y. 2000. Wildlife habitat considerations. In: Smith, Helen
Y., ed. 2000. The
Bitterroot Ecosystem Management Research Project: what we have
learned: symposium proceedings; 1999 May 18-20;
Missoula, MT. Proc. RMRS-P-17. Ogden, UT: U.S. Department of
Agriculture, Forest Service, Rocky Mountain Research Station:
26-27.
Tewksbury,
Joshua J. 2000. Breeding biology of birds in a western riparian
forest--from demography to behavior. Missoula, MT: University
of Montana. 231 p. Dissertation.
1999
Bitterroot
Ecosystem Management Research Project.
1999. Eco-Report. Missoula, MT: U.S. Department of Agriculture,
Forest Service, Rocky Mountain Research Station, Forestry Sciences
Laboratory; Fall. 20 p.
Foresman,
Kerry R.; Pearson, Dean. E. 1999. Activity patterns of American
martens, Martes americana, snowshoe hares, Lepus americanus,
and red squirrels in west central Montana. The Canadian Field-Naturalist.
113(3): 1-4.
Hughes,
Jane M.; Mather, Peter B.; Sheldon, Andrew L.; Allendorf, Fred
W. 1999.
Genetic structure of the stonefly, Yoraperla brevis,
populations: the extent of gene flow among adjacent montane
streams. Freshwater Biology. 41: 63-72.
Osborn,
Sophie A.H. 1999. Factors affecting the distribution and productivity
of the American Dipper (Cinclus Mexicanus) in western
Montana: does streamside development play a role? Philadelphia,
PA: University of Pennsylvania. 150 p. Thesis.
Pearson,
Dean E. 1999. Small mammals of the Bitterroot National Forest:
a literature review and annotated bibliography. Gen. Tech. Rep.
RMRS-GTR-25. Ogden, UT: U. S. Department of Agriculture, Forest
Service, Rocky Mountain Research Station. 63 p.
Tewksbury,
Joshua J.; Martin, Thomas E.; Hejl, Sallie J.; Redman, Timothy
S.; Wheeler, F. Jeremy. 1999. Cowbirds in a western valley:
effect of landscape structure, vegetation, and host density.
Studies in Avian Biology.18: 23-33.
Ward,
Richard L. 1999. The occurrence of two genera of arboreal lichen
and their utilization by deer and elk on selected winter ranges
in west-central Montana. Cheney, WA: Eastern Washington
University. 88 p. Thesis.
1998
Bitterroot
Ecosystem Management Research Project.
1998. Eco-Report. Missoula, MT: U.S. Department of Agriculture,
Forest Service, Rocky Mountain Research Station, Forestry Sciences
Laboratory; Summer. 12 p.
Osborn,
Sophie A.H. 1998.
Anting by an American Dipper (Cinclus mexicanus).
The Wilson Bulletin. 110(3): 423-425.
Tewksbury,
Joshua J.; Hejl, Sallie J.; Martin, Thomas E. 1998. Breeding
productivity does not decline with increasing fragmentation
in a western landscape. Ecology. 79(8): 2890-2903.
Abstract
1997
Bitterroot
Ecosystem Management Research Project. 1997.
Eco-Report. Missoula, MT: U.S. Department of Agriculture,
Forest Service, Rocky Mountain Research Station, Forestry Sciences
Laboratory; Summer 12 p.
Rice, Peter
M.; Toney, J. Christopher; Bedunah, Donald J.; Carlson, Clinton
E. 1997. Elk winter forage enhancement by herbicide control
of spotted knapweed. Missoula, MT: University of Montana; Final
Report INT- xxxxx-RJVA. 19 p.
Tewksbury,
Joshua J. 1997. Riparian forest and avian productivity: A landscape
perspective on the importance of diverse riparian systems in
western Montana. Missoula, MT: University of Montana. Annual
Report 1996-1997. 61 p.
Wright,
Vita; Hejl, Sallie J.; Hutto, Richard L. 1997. Conservation
implications of a multi-scale study of Flammulated Owl (Otus
flammeolus) habitat use in the Northern Rocky Mountains,
USA. In: Duncan, James R.; Johnson, David H.; Nicholls, Thomas
H., eds. 1997.
Biology and conservation of owls of the Northern Hemisphere:
Second international symposium; 1997 February 5-9; Winnipeg,
MB. NC-GTR-190. St. Paul, MN: U.S. Department of Agriculture,
Forest Service, Northern Central Research Station: 506-516.
1996
Bitterroot
Ecosystem Management Research Project.
1996. Eco-Report. Missoula, MT: U.S. Department of Agriculture,
Forest Service, Rocky Mountain Research Station, Forestry Sciences
Laboratory; Summer. 12 p.
Foresman,
Kerry R.; Maples, Michael T. 1996. Application of remote sensing
methods for the detection of forest carnivores and their prey
base in Bitterroot National Forest. Missoula, MT: University
of Montana. Final Report INT-96030-RJVA. 85 p.
Koncerak,
William F. 1996. Determining the effects of fire restoration
on elk winter range and hiding cover. Missoula, MT: University
of Montana. 70 p. Thesis.
McCarthy,
J.J.; Riley, S.J. 1996. The status of mountain lions in Montana.
5th Western States Cougar Workshop, February 27-March 1, 1996.
San Diego, CA.
Tewksbury,
Joshua J.; Hejl, Sallie J.; Martin, Thomas E. 1996. Riparian
forest and avian productivity: A landscape perspective on the
importance of diverse riparian systems in western Montana. Missoula,
MT: University of Montana and U.S. Department of Agriculture,
Forest Service, Intermountain Research Station. Annual Report
1995-1996. 11 p.
1995
Banks,
Alison J.; Tewksbury, Joshua J.; Hejl, Sallie J. 1995. Bitterroot
riparian bird banding study. Missoula, MT: University of Montana
and U.S. Department of Agriculture, Forest Service, Intermountain
Research Station. Final Project Report for Nongame Migratory
Bird Coordinator, U.S. Department of Interior, Fish and Wildlife
Service. 10 p.
Bitterroot
Ecosystem Management Research Project.
1995. Eco-News. Missoula, MT: U.S. Department of Agriculture,
Forest Service, Rocky Mountain Research Station, Forestry Sciences
Laboratory; Summer. 12 p.
Foresman,
Kerry R.; Pearson, Dean E. 1995. Testing of proposed survey
methods for the detection of wolverine, lynx, fisher, and American
marten in Bitterroot National Forest. Missoula, MT: University
of Montana; Final Report INT-94918-RJVA. 100 p.
Pearson,
Dean E. 1995. Small mammals of the Bitterroot National Forest:
habitat associations, ecological interactions and implications
for forest management: a literature review and annotated bibliography.
Missoula, MT: University of Montana; Final Report for Bitterroot
Ecosystem Management Research Project. 191 p.
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