Summers, J. C.; Rühland, K. M.; Kurek, J.; Quinlan, R.; Paterson, A. M.; Smol, J. P. Multiple Stressor Effects on Water Quality in Poplar Bay, Lake of the Woods, Canada: A Midge-Based Assessment of Hypolimnetic Oxygen Conditions over the Last Two Centuries. J Limnol 2012, 71, e3.