Edmonton - A study in a peer-reviewed journal, The Wilson Journal of Ornithology, to be published in early September shows annual bird mortality in the bitumen tailings ponds of northeastern Alberta - an internationally significant migratory bird corridor - greatly exceeds industry estimates. The authors investigated three types of data: government-industry reported mortalities; rates of bird deaths at tailings ponds; and rates of landing, oiling and mortality to quantify annual bird mortality due to exposure to tailings ponds. For the period 2000 to 2007, reporting by industry indicated a mean annual mortality from tailings pond exposure of 65 birds. The study, entitled "Annual Bird Mortality in the Bitumen Tailings Ponds in Northeastern Alberta," however, indicated an annual mortality in the ... continue reading.


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