Home > Iowa Academy of Science > Journals & Newsletters > Journal of the Iowa Academy of Science > Volume 109 (2002) > Number 3-4
Volume 109, Number 3-4 (2002)
Issue cover date: September-December 2002
Front Matter
General Interest Article
Research
The Unionid Mussels of the Upper Iowa and Turkey River Watersheds p. 43-49
Jim Eckblad, Brett Ostby, and Karis Tenneson
Soybean Canopy Gap Influence on Velvetleaf Seed Production p. 50-52
Shawn R. Wright, Micheal D. K. Owen, and Douglas D. Buhler
Effects of Cattle Grazing on Woodlands in Central Iowa p. 53-60
Cathy Mabry
Science Education
Science Safety Status in Iowa Schools p. 61-65
Gerlovich A. Jack, Rahul Parsa, Bruce Frana, and Theresa Stiner