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Andrew R. Moldenke

Andy Moldenke

Professor (Senior Research)
Ph.D., 1971,  Stanford University


Office/Lab: Cordley 4057
Phone: 541-737-5496     

Research Area

Plant/insect interactions

Description of Research

Plant/insect interactions; pollination ecology; soil invertebrates and nutrient cycling; taxonomy of Coleoptera; behavioral evolution of bees; biological diversity and food-web structure.

Research Group Members

Faculty Research Assistants/Associates

Carolyn ver Linden


2003. Horton, D.R., D.A, Broers, R.R. Lewis, et al. Effects of mowing frequency on densities of natural enemies in three Pacific Northwest pear orchards. Entom. Exp. Appl. (in press).

2002. Dresner, Marion and Andrew Moldenke. Authentic Field Ecology Experiences for Teachers. The American Biology Teacher 64(9):659-663.

2002. Peachey, R.E., A. Moldenke, R.D. William, R. Berry, E. Ingham, Eric Groth Effect of cover crops and tillage system on symphylan (Symphyla: Scutigerella immaculata, Newport) and Pergamasus quisquiliarum Canestrini (Acari:Mesostigmata) populations, and other soil organisms in agricultural soils. Applied Soil Ecology 21:59-70.

2002. Progar, R. and A.R. Moldenke. Insect production from temporary and perennially flowing headwater streams in western Oregon. J. Freshwater Ecology, 17(3):391-407.

2002. Progar, R. and A.R. Moldenke. Insect production from clearcut and closed canopy headwater streams in western Oregon. J. N.Amer. Benthological Soc. (in prep)

2001. Levin, L.A., D.F. Boesch, A. Moldenke, et al. The function of marine critical transition zones and the importance of sediment biodiversity. Ecosystems 4: 430-451.

2000. Halaj, J., D.W. Ross, and A.R. Moldenke. Importance of habitat structure to the arthropod food-web in Douglas-fir canopies. Oikos 90:139-152.

2000. Estrada-Venegas, E., R.A. Norton, and A. R. Moldenke. Unusual sperm transfer in Pilogalumna sp. (Galumnidae). Acarology IX: Proceedings 565-567.

1999. Moldenke, A.R., E.R. Ingham, and C. Edwards. Soil Biology Primer. USDA-NRCS-PA1637 (US Dept.Agric.-National Resource Conservation Service). 52 pp.

1999. Moldenke, A.R. Soil-dwelling arthropods: their diversity and functional roles. P. 33-44. IN: Proceedings: Pacific Northwest Forest and Rangeland Soil Organism Symposium, March 17-19, 1998; ed.: R.T. Meurisse, W.G. Ypsilantis, and C. Seybold. Gen. Tech. Rept. PNW-GTR-461. US Dept.Agric. Forest Service, Pacific Northwest Research Station, 215 pp.

1999. Moldenke, A.R., M. Pajutee, and E. Ingham. The functional role of forest soil arthropods: the soil is a living place. P. 7-22. IN: Proceedings of the California Forest Soils Council Conference on forest Soils Biology and Forest Management, Feb. 23-24,
1996; ed. R.F. Powers, D.L. Hauxwell, G.M. Nakamura. Gen. Tech. Rept. PSW-GTR-178. US Dept.Agric. Forest Service, Pacific Southwest Research Station. 113 pp.

1997. Halaj, J., D.W. Ross, and A.R. Moldenke. Negative effects of ant foraging on spiders in Douglas-fir canopies. Oecologia 109:313-322.

1996. Moldenke, A.R. and W.G. Thies. Effect of chloropicrin application to control laminated root-rot on soil arthropods one year after application: research design and seasonal dynamics of control populations. Environ. Entom. 25:925-932.

1996. Moldenke, A.R., and W.G. Thies. Effect on soil arthropods one year after application of chloropicrin to control laminated root-rot:III. treatment effects on nontarget soil invertebrates. Can. J. For. Res. 26:120-127.

1996. Halaj, J., D.W. Ross, R.R. Mason, T.R. Torgersen, and A.R. Moldenke. Geographic variation in arboreal spider (Araneae) communities on Douglas-fir in western Oregon. Pan-Pac. Entomol. 72:17-26.

1995. Ingham, E.R. and A.R. Moldenke. Microflora and microfauna on stems and trunks: diversity, food webs, and effects on plants. pp. 241-256. IN: B. Gartner,(ed.) Plant Stems: Physiology and Functional Morphology. Academic Press, New York.

1995. Torgersen, C.E., J.A. Jones, A.R. Moldenke, and M. LeMaster. The spatial heterogeneity of soil invertebrates and edaphic properties in an old growth forest stand in western Oregon. pp. 225-236 In: HP Collins, GP Robertson and MJ Klug (eds.), The
significance and regulation of Soil Biodiversity, Kluwer Acad. Publ., Amsterdam.