1989

  • Hallahan, Robert Fish predation: its effects on littoral zone invertebrates.
  • Ehrman, Terry A survey of macrophytes, benthic invertebrates, and periphyton in Peter, Paul, and Long Lakes.
  • Goff, Diane The effects of pH and three hormones on the rate of development in Rana clamitans tadpoles.
  • Dalton, Matt The effects of steroid hormones on Rana pipiens.
  • Shubert, Kurt An evaluation of area and personal mosquito repellents.
  • McNaughton, Kim A comparison of the secondary production of Chaoborus americanus in two bogs: effects of presence and absence of Chaoborus trivittatus.
  • Stahl, Thomas Effect of shell damage on mortality, reproduction, and regrowth in Helisoma trivolvis.
  • Shubert, Kurt Survey of Zygoptera at UNDERC.
  • Gurnett, Christina The effects of reduced incident light on four stream insects of Tenderfoot Creek, MI.
  • Taylor, Margaret The effects of substrate and the hyporheos on the recolonization of stream insects in a riffle area.
  • Stahl, Thomas Grazing by the snail Lymnaea stagnalis on the macrophyte Potamogeton richardsonii and periphyton.