Thesis Proposal Defenses (Student, title, and supervisor) Monday, 1 December: 9:00 AM – 12:30 PM 9:00 Yau, Tiffany A revision of the New World fly genus Bromeloecia (Diptera, Sphaeroceridae) (S. Marshall) 9:30 Singh, Jessica The effects of crop rotation systems on nitrous oxide emissions in dairy operations in eastern Ontario (C. Wagner Riddle) 10:00 Barbour, Will Effects of multiple stress factors on fish growth rates in the Laurentian Great Lakes (N. Rooney) 10:30 Leon-Cordero, R. The biology of gorse, Ulex europeaus L.), and its ecological interactions as an invasive species (M. Anand) 11:00 Dai, Nancy Nickel concentration, bioaccessibility, and bioavailability in house dust determined in vitro and in vivo: Exploring correlation and log-normal relationships for risk assessment (B. Hale) 11:30 Bieg, Carling Quantifying a world fisheries continuum and investigating changes in fish community structure in response to indiscriminate fishing (K. McCann) 12:00 Muresan, Lucia New approaches in control of apple scab ( Venturia inaequalis ) in organically managed orchards (P. Goodwin, D. Errampalli)