Faculty

Michelle Allayne Evans White

Michelle Allayne Evans White

Associate Professor

Graduate Studies Chair & Departmental Vice Chair

J. William Fulbright College of Arts & Sciences

(BISC)-Biological Sciences

Phone: 479-575-4706

Fax: 479-575-4010

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I am a community and ecosystem ecologist and much of my research is at the interface of these two ecological levels. One major area of my research examines the roles of animals in organic matter and nutrient dynamics; I often consider how anthropogenic factors such as pollutants may alter these roles by modifying organismal physiology and behavior or by modification of community structure.  Another major area of my research focuses on the role of inland aquatic ecosystems in regional and global carbon budgets; I am particularly interested in how this role will change with landscape and climate change.  I head a Research Experience for Undergraduates Program focusing on Assessment and Sustainable Management of Ecosystem Services (EcoREU  https://ecoreu.uark.edu). For more information please visit my laboratory website.

Community Ecology, Ecosystem Ecology, Stream Ecology, Ecotoxicology 

BIOL 3863 General Ecology

BIOL 480\580 Introduction to R

BIOL 485V Field Ecology

BIOL 5933 Biogeochemistry and Global Change

BIOL 5914 Stream Ecology

 

Ph.D. University of Notre Dame, 2005

Publications 2016-18(Graduate student author=bold; REU, Honors, Undergraduate =bold italics)

Halvorson, H.M., E. Sperfeld, and M.A. Evans-White. 2017. Quantity and quality limit detritivore growth: mechanisms revealed by ecological stoichiometry and co-limitation theory. Ecology, 98: 2995-3002.

Halvorson, H.M., D. J. Hall, and M.A. Evans-White. 2017.  Long-term stoichiometry and fates highlight animal egestion as nutrient repackaging, not recycling, in aquatic ecosystems. Functional Ecology, 31:1802-1812.

 Evans-White, M.A. and H.H. Halvorson. 2017. Comparing the ecological stoichiometry in brown and green food webs--a review and meta-analysis. Frontiers in Microbiology, 8, Article Number 1184. 

Austin, B. E.E. Scott, L. Massey, Evans-White, M.A., Entrekin, S.A., and B.E. Haggard. 2017. Unconventional natural gas development did not result in detectable changes in water chemistry (within the South Fork Little Red River. Environmental Monitoring and Assessment, 189, Issue 5, Article Number 209.

Johnson, Wilson H., Douglas, Marlis R., Lewis, Jeffrey A., Stuecker, Tara N.**, Carbonero, Franck, G., Austin, Bradley J., Evans-White, Michelle A., Entrekin, Sally A., and Michael E. Douglas. 2017. Do biofilm communities respond to the chemical signatures of fracking? A test involving streams in North-central Arkansas. 2017. BMC Microbiology, 17, Article Number 29. JOURNAL 5-YR IMPACT FACTOR: 2.581

Halvorson, H.M., G. White, J.T. Scott, and M.A. Evans-White. 2016. Dietary and taxonomic controls on incorporation of microbial carbon and phosphorus by detritivorous caddisflies. Oecologia, 180, 567-579. DOI: 10.1007/s00442-015-3464-6

Halvorson, H.M., E.E. Scott, S.A. Entrekin, M.A. Evans-White, and J.T. Scott. 2016. Light and dissolved phosphorus interactively affect microbial metabolism, stoichiometry, and decomposition of leaf litter. Freshwater Science, 61, 1006-1019. DOI: 10.1111/fwb.12763 

Entrekin, S.A., Maloney, K.O., Kapo, K.E., Walters, A.W., Evans-White, M.A., and K.M. Klemow. 2016. Stream vulnerability to widespread and emergent stressors: a focus on unconventional oil and gas.  PLOS One. DOI:1Q1371/journal.pone.0137416 JOURNAL 5-YR IMPACT FACTOR: 3.515