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Faculty Image John Maron
Office: NATURAL SCIENCES ANNEX 102
Phone: (406) 243-6202
Email: john.maron@mso.umt.edu
Website: Click Here

 

Current Position:

--Associate Professor

Description:

I am a professor in DBS with interests in population and community ecology.

Office Hours:

Tuesday, Thursday 12:30-1:30

Field Of Study:

Plant population and community ecology

Research Interests:

Courses:

Fall 08-BIOL448

Education:

Ph.D. 1996, Ecology Graduate Group, University of California, Davis.
M.S. 1983, Department of Biology, University of North Dakota.
B.S. 1980, Renewable Resources, University of California, Davis.

Teaching Experience:

  • Rocky Mountain Flora. University of Montana (Spring 2005).
  • Graduate course on plant-consumer interactions. University of Montana (Spring 2004).
  • Introductory Biology. University of Montana (Spring 2003- one of four instructors).
  • Terrestrial Plant Ecology. University of Montana (Fall 2002-2004).
  • Trends in Plant Ecology. University of Montana (Fall 2003-graduate seminar course, co-taught with R. Callaway).
  • Graduate "core" course in Ecology. University of Washington (Fall 2001-one of four instructors).
  • General Ecology. University of Washington (Winter 2001- one of three instructors).
  • Graduate course- Plant-Consumer Interactions. University of Washington (Winter 1999).
  • Introduction to Plant Ecology. University of Washington (Fall 1998-2001).
  • Sub-Tropical Field Ecology and Conservation. Universidad de Cordoba, Cordoba, Argentina (Spring, 1992).
  • Marine and Coastal Field Ecology. Bodega Marine Laboratory, University of California, Davis (1985-1991-one of two instructors).

International Experience:

---I have worked and have active collaborations in Canada, Spain, Romania, Hungary, Germany, and Switzerland,  In the past I have also worked in Peru and Argentina.

Selected Publications:

 

Publications over last 5 years

Colautti, R.I., J.L. Maron and S.C.H. Barrett. 2009. Common garden comparisons of native and introduced plant populations: latitudinal clines can obscure evolutionary inference. Evolutionary Applications 2: 187-199.

Johnson, M.T.J., A. Agrawal, J.L. Maron and J-P. Salminen. 2009. Heritability, covariation and natural selection on 24 traits of common evening primrose (Oenothera biennis) from a field experiment. Journal of Evolutionary Biology 22: 1295-1307.

Seifert, E.K., J.D. Bever and J.L. Maron. 2009. Evidence for the evolution of reduced mycorrhizal dependence during plant invasion. Ecology 90: 1055-1062.

Brodie, J., O.E. Helmy and W.Y. Brockelman and J.L. Maron. 2009. Functional differences within a guild of tropical mammalian frugivores. Ecology 90:688-698.

Maron, J.L. and M. Marler. 2008. Field based competitive impacts of invaders on natives at varying resource supply. Journal of Ecology 96: 1187-1197.

Williams, J.L., H. Auge, and J.L. Maron. 2008. Different gardens, different results: Native and introduced populations exhibit contrasting phenotypes across common gardensOecologia 157: 239-248.

Maron, J.L. and M. Marler. 2008. Effects of native species diversity and resource additions on invader impact. American Naturalist 172: S18-S33.

Kittelson, P.M., J.L. Maron and M. Marler. 2008. Native diversity and invader impact: an exotic alters the leaf traits of two natives. Ecology 89: 1344-1351.

Maron, J.L. and M. Marler. 2007. Native plant diversity resists invasion at both low and high resource levels. Ecology 88: 2651-2661.

Maron, J.L., S. Elmendorf  and M. Vilà. 2007. Contrasting plant physiological adaptation to climate in the native and introduced range. Evolution 61: 1912-1924.

Morris, W.F., R.A. Hufbauer, A.A. Agrawal, J.D. Bever, V.A. Borowicz, G.S. Gilbert, J.L. Maron, C.E. Mitchell, I.M. Parker, A.G. Power, M.E. Torchin, D.P. Vázquez. 2007. Direct and interactive effects of enemies and mutualists on plant performance: a meta-analysis. Ecology 88:1021-1029.

Agrawal, A.A., D.D. Ackerly, F. Adler, B. Arnold, C. Cáceres, D. Doak, E. Post, P. Hudson, J. Maron, K. Mooney, M. Power, D. Schemske, J. Stachowicz, S. Strauss, M. Turner, and E. Werner. 2007. Frontiers in population and community ecology. Frontiers in Ecology and the Environment 5:145-152.

Amsberry, L.K. and J.L. Maron. 2006. Effects of herbivore identity on plant fecundity. Plant Ecology 187: 39-48.

Kauffman, M. and J.L. Maron. 2006. Influence of density-dependence and seed bank dynamics in habitat-specific population dynamics of bush lupine, Lupinus arboreus. American Naturalist 168:454-470.

Maron, J.L. and E. Crone. 2006. Herbivory: effects on plant abundance, distribution, and population growth. Proceedings of the Royal Society B 273:2575-2584.

Callaway, R.M. and J.L. Maron. 2006. What have exotic invasions taught us over the past twenty years? Trends in Ecology and Evolution 21: 369-374.

Mitchell, C.E., A.A. Agrawal, J.D. Bever, G.S. Gilbert, R.A. Hufbauer, J.N. Klironomos, J.L. Maron, W.F. Morris, I.M. Parker, A.G. Power, E.W. Seabloom, M.E. Torchin, D.P. Vázquez. 2006. Biotic interactions and plant invasions. Ecology Letters 9: 726-240.

Maron, J.L., J.A. Estes, D.A. Croll, E.M. Danner, S.C. Elmendorf, and S. Buckalew. 2006. An introduced predator transforms Aleutian Island plant communities by disrupting spatial subsidies. Ecological Monographs 76:3-24.

Maron, J.L. and M. Kauffman. 2006. Habitat-specific consumer impacts on plant population dynamics. Ecology 87:113-124.

Croll, D.A., J.L. Maron, J.A. Estes, E.M. Danner, and G.V. Byrd.  2005. Introduced predators transform subarctic islands from grassland to tundra. Science 307:1959-1961.

Vilà, M., J.L. Maron and L. Marco. 2005. Evidence for the enemy release hypothesis in Hypericum perforatum L. Oecologia 142:474-479.

Hierro, J., J.L. Maron and R.M. Callaway. 2005. A biogeographical approach to plant invasion biology: The importance of studying exotics in their introduced and native range. Journal of Ecology 93:5-15.

Maron, J.L., M. Vilà, and J. Arnason. 2004. Loss of natural enemy resistance among introduced populations of St. John’s Wort, Hypericum perforatum. Ecology 85:3243-3253.

Maron, J.L., M. Vilà, R. Bommarco, S. Elmendorf and P. Beardsley. 2004. Rapid evolution of an invasive plant. Ecological Monographs 74:261-280.

Other Publications:

Maron, J.L., J.K. Combs and S.L. Louda. 2002. Convergent demographic effects of insect herbivory on related thistles in coastal vs. continental dunes. Ecology 83:3382-3392.

Karban, R. and J.L. Maron. 2002. The fitness consequences of interspecific eavesdropping between plants. Ecology 83:1209-1213.

Kittelson, P.M. and J.L. Maron. 2001. Fine scale genetically-based differentiation of life-history traits in the perennial shrub, Lupinus arboreus. Evolution 55:2429-2438.

Maron, J.L. and M. Vilà. 2001. Do herbivores affect plant invasion? Evidence for the natural enemies and biotic resistance hypotheses. Oikos 95:363-373.

Maron, J.L. and R.L. Jefferies. 2001. Restoring enriched grasslands: effects of mowing on species richness, productivity and nitrogen retention. Ecological Applications 11:1088-1100.

Maron, J.L. and E.L. Simms. 2001. Rodent limited establishment of bush lupine: Field experiments on the cumulative effect of granivory. Journal of Ecology 89:578-588.

Maron, J.L., S. Harrison, and M.E. Greaves. 2001. Origin of an insect outbreak: escape in space or time from natural enemies? Oecologia 126:595-602.

Maron, J.L. 2001. Intraspecific competition and subterranean insect herbivory: individual and interactive effects on bush lupine. Oikos 92:178-186.

Harrison, S., K.J. Rice and J.L. Maron. 2001. Habitat patchiness promotes invasion by alien grasses (Avena fatua and Bromus hordeaceus) on serpentine soil in California. Biological Conservation 100:45-53.

Alpert, P. and J.L. Maron. 2000. Carbon addition as a countermeasure against biological invasion by plants. Biological Invasions 2:33-40.

Polis, G.A., D.R. Strong, G.R. Huxel, A.L.W. Sears and J.L. Maron. 2000. When is a trophic cascade a trophic cascade? Trends in Ecology and Evolution 15:473-475.

Maron, J.L. and S.N. Gardner. 2000. Consumer pressure, seed versus safe-site limitation, and plant population dynamics. Oecologia 124:260-269.

Harrison, S., J.L. Maron and G. Huxel. 2000. Local extinction, colonization and large-scale patterns of fluctuation in five plants confined to serpentine seeps. Conservation Biology 14:769-779.

Kittelson, P.M. and J.L. Maron. 2000. Outcrossing rate and inbreeding depression in the perennial yellow bush lupine, Lupinus arboreus (Fabaceae). American Journal of Botany 87:652-660.

Grosholz, E.D., G.M. Ruiz, C.A. Dean, K.A. Shirley, J.L. Maron and P.G. Connors. 2000. The impacts of a non-indigenous marine predator in a California bay.  Ecology 81:1206-1224.

Maron, J.L. and R.L. Jefferies. 1999. Bush lupine mortality, altered resource availability and alternative vegetation states. Ecology 80:443-454.

Maron, J.L. 1998. Individual and joint effects of below- and above-ground insect herbivory on perennial plant fitness. Ecology 79:1281-1293.

Maron, J.L. and S. Harrison. 1997. Spatial pattern formation in an insect host-parasitoid system. Science 278:1619-1621.

Maron, J.L. and E.L. Simms. 1997. Effects of seed predation on seed bank size and seedling recruitment of bush lupine (Lupinus arboreus). Oecologia 111:76-83.

Maron, J.L. 1997. Interspecific competition and insect herbivory reduce seedling survival in bush lupine, Lupinus arboreus. Oecologia 110:285-290.

Jefferies, R.L. and J.L. Maron. 1997. An embarrassment of riches: anthropogenic deposition of nitrogen and community and ecosystem processes. Trends in Ecology and Evolution 12:74-78.

Strong, D.R., H.K. Kaya, A. Whipple, A. Child, S. Kraig, M. Bondonno, K. Dyer, and J.L. Maron. 1996. Entomopathogenic nematodes: natural enemies of root-feeding caterpillars on bush lupine. Oecologia 108:167-173.

Maron, J.L. and P.G. Connors. 1996. A native nitrogen-fixing shrub facilitates weed invasion. Oecologia 105:302-312.

Strong, D.R., J.L. Maron, and P.G. Connors. 1996. Top down from underground? The underappreciated influence of subterranean food webs on above ground ecology. In Food Webs (G. A. Polis and K. O. Winemiller, eds.), pp 170-175. Chapman and Hall, New York.

Strong, D.R., J.L. Maron, P.G. Connors, A. Whipple, S. Harrison, and R.L. Jefferies. 1995. High mortality, fluctuation in numbers, and heavy subterranean insect herbivory in bush lupine, Lupinus arboreus. Oecologia 104:85-92.

Harrison, S. and J.L. Maron. 1995. Impacts of defoliation by tussock moths (Orgyia vetusta) on the growth and reproduction of bush lupine (Lupinus arboreus). Ecological Entomology 20:223-229.

Johnson, O.W., P.G. Connors, P.L. Bruner, and J.L. Maron. 1993. Breeding ground fidelity and mate retention in the Pacific Golden-plover. Wilson Bulletin 105:60-67.

Connors, P.G., B.J. McCaffery and J.L. Maron. 1993. Speciation in golden-plovers, Pluvialis dominica and Pluvialis fulva: evidence from the breeding grounds. Auk 110:9-20.

Myers, J.P., M. Sallaberry A., E. Ortiz, G. Castro, L.M. Gordon, J.L. Maron, C.T. Schick, E. Tabilo, P. Antas, and T. Below. 1990. Migration routes of New World sanderling (Calidris alba). Auk: 107:172-180.

Maron, J.L. and J.P. Myers. 1985. Seasonal changes in feeding success, activity patterns, and weights of non-breeding sanderlings, (Calidris alba). Auk 102:580-586.

Maron, J.L. and J.P. Myers. 1984. An evaluation of two techniques for sexing wintering sanderlings (Calidris alba). Journal of Field Ornithology 55:336-342.

Myers, J.P, J.L. Maron, and M. Sallaberry. 1984. Going to extremes: why sanderlings migrate to the neotropics. Ornithological Monographs 36:520-535.

Myers, J.P., G. Castro, B. Harrington, M. Howe, J.L Maron, E. Ortiz, M. Sallaberry, C.T. Schick, and E. Tabilo. 1984. The Pan American Shorebird Program: a progress report. Wader Study Group Bulletin 42:26-30.

Myers, J.P., J.L. Maron, E. Ortiz T., G. Castro V., M.A. Howe, R.I.G. Morrison, and B.A. Harrington. 1983. Rationale and suggestions for a hemispheric color-marking scheme for shorebirds: A way to avoid chaos. Wader Study Group Bulletin 38:30-32.