00000nam 2200000za 4500 9.857461 CaOODSP 20241203113643 cr ||||||||||| 180606s1994 oncb o f00| 0 eng d CaOODSP eng eng fre nl----- CW69-5/193E-PDF An atlas of contaminants in eggs of fish-eating colonial birds of the Great Lakes (1989-1992). Vol. I, [Accounts by location] [electronic resource] / Karen E. Pettit ... [et al.]. Burlington, Ont. : Canadian Wildlife Service, [1994] viii, 319 p. : maps. Technical report series ; no. 193 Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references (p.318-319). "During 1989-1992, Canadian wildlife Service (Ontario) collected a total of 1495 eggs from fish-eating colonial birds from 50 colonies throughout the Great Lakes to measure the levels of 86 chlorinated hydrocarbon compounds, and the lipid concentrations present. These data were generated as part of a monitoring program started in 1970 to understand the temporal and spatial trends in environmental contaminant levels in biota of the Great Lakes"--Executive summary. Includes summary in French. gccst Birds gccst Water pollution Pettit, Karen E. Canada. Environment Canada. Canadian Wildlife Service. Technical report series (Canadian Wildlife Service) no. 193. (CaOODSP)9.504438 PDF 12.10 MB https://publications.gc.ca/collections/collection_2018/eccc/cw69-5/CW69-5-193-eng.pdf