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| 01748nam 2200361za 4500 |
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| 001 | 9.855699 |
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| 003 | CaOODSP |
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| 005 | 20240527135431 |
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| 007 | cr ||||||||||| |
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| 008 | 150406s1994 oncb #o f000 0 eng d |
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| 020 | |z0662225163 |
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| 022 | |y0576-6370 |
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| 040 | |aCaOODSP|beng |
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| 041 | |aeng|bfre |
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| 043 | |an-cn-nl |
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| 086 | 1 |aCW69-1/85E-PDF |
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| 086 | 1 |aCW69-1/85E |
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| 100 | 1 |aEwins, Peter J. |
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| 245 | 10|aCaspian terns on the Great Lakes |h[electronic resource] : |borganochlorine contamination, reproduction, diet, and population changes, 1972-91 / |cPeter J. Ewins ... [et al.]. |
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| 260 | |aOttawa, Ont. : |bCanadian Wildlife Service, Environment Canada, |cc1994. |
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| 300 | |a30 p. : |bmap. |
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| 490 | 1 |aOccasional paper ; |vno. 85 |
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| 500 | |aDigitized edition from print [produced by Environment and Climate Change Canada]. |
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| 504 | |aIncludes bibliographical references. |
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| 520 | 3 |a"The Great Lakes of North America are one of the most heavily contaminated freshwater ecosystems in the world, yet they support at least one-third of North America's breeding Caspian Terns Sterna caspia. To assess the health of this breeding population in relation to organochlorine contaminant (OC) levels, we studied 16 colonies (6800 nests) throughout its Great Lakes range in 1991."--Abstract, p. 3. |
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| 546 | |aIncludes an abstract in French. |
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| 692 | 07|2gccst|aAquatic ecosystems |
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| 692 | 07|2gccst|aBirds |
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| 710 | 1 |aCanada. |bEnvironment Canada. |
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| 710 | 2 |aCanadian Wildlife Service. |
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| 830 | #0|aOccasional paper (Canadian Wildlife Service)|vno. 85|w(CaOODSP)9.501188 |
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| 856 | 40|qPDF|s2.76 MB|uhttps://publications.gc.ca/collections/collection_2018/eccc/CW69-1-85-eng.pdf |
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