Comment on Bachmann et al. (2013): A nonrepresentative sample cannot describe the extent of cultural eutrophication of natural lakes in the United States. (12th October 2014) - McDonald, Cory P.; Lottig, Noah R.; Stoddard, John L.; Herlihy, Alan T.; Lehmann, Sarah; Paulsen, Steven G.; Peck, David V.; Pollard, Amina I.; Stevenson, R. Jan