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Todd Wellnitz

Education

  • Ph.D. Swiss Federal Institute of Technology - 1997
  • M.S. Middlebury College - 1991
  • B.S. University of Minnesota -1985

Courses

  • Biol 110 Ecology & Evolution
  • Biol 320 Studies in Tropical Environments (Bahamas, Belize, Costa Rica)
  • Biol 345 Invertebrate Zoology
  • Biol 376 Aquatic Ecology
  • Biol 423 Collaborative Research in Biology (Boundary Waters)
  • Biol 490 Grand Canyon Immersion Experience

Research - Aquatic Community Ecology

  • How species interactions and ecosystem processes are modified by flow and current in streams (Colorado & Minnesota).
  • How the connectivity between stream and riparian habitats changes with elevation in montane ecosystems (Argentina).  

Selected Publications (undergraduate researchers indicated by *)

Wojan C*, Devoe A*, Merten, E, Wellnitz T. (2013 in review). Web-building spider response to a logjam in a northern Minnesota stream. American Midland Naturalist.

Hintz W and Wellnitz T. (2013 in press). Current velocity influences the facilitation and removal of algae by stream grazers.  Aqautic Ecology.

Wellnitz T and Poff NL. (2012). Current-mediated periphytic structure modifies grazer interactions and algal removal. Aquatic Ecology 46: 521-530.

Schoen J*, Merten E and Wellnitz
T. (2012). Current velocity as a factor determining macroinvertebrate assemblages on wood surfaces.  Journal of Freshwater Ecology doi:10.1080/02705060.2012.739578.

Ames S*, Pischke K*, Schoenfuss N*, Snobl Z*, Soine J*, Weiher E and Wellnitz T. (2012). Biogeographic patterns of lichens and trees on islands of the Boundary Waters Canoe Area Wilderness.  BIOS 83: 145-154.

Cronje R, Murray K, Rohlinger S* and Wellnitz T.  (2011).  Using the Science Writing Heuristic to improve undergraduate writing in biology. International Journal of Science Education doi:10.1080/09500693.2011.628344.

Wellnitz T, Troia M* and Ring M*. (2010). Does ambient substrate composition influence consumer diversity effects on algal removal? Hydrobiologia 652:15–22.

Merten E, Hintz W, Lightbody A and Wellnitz T.  (2010).  Subtle effects of macroinvertebrate grazers on periphytic accrual in a field-scale experimental stream.  Hydrobiologia 652: 179-184.


Wellnitz T and Poff NL. (2006). Herbivory, current velocity and algal regrowth: how does periphyton grow when the grazers have gone? Freshwater Biology 51: 2114–2123.


Contact information:
Phillips Hall 345
Department of Biology
University of Wisconsin-Eau Claire
Eau Claire, WI 54702-4004
Ph: 715-836-3021
Fax: 715-836-5089
email: wellnita@uwec.edu

 

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