000 02199nam  2200373za 4500
0019.857308
003CaOODSP
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008180604s1995    bccbd   o    f00| 0 eng d
040 |aCaOODSP|beng
041 |aeng|bfre
043 |an-cn-bc
0861 |aCW69-5/169E-PDF
24500|aFood chain sources of polychlorinated dioxins and furans to great blue herons (Ardea herodias) foraging in the Fraser River Estuary, British Columbia |h[electronic resource] / |cA. Harfenist ... [et al.].
260 |aDelta, B.C. : |bCanadian Wildlife Service, Pacific and Yukon Region, |c1995.
300 |aiii, 26 p. : |bmap, charts.
4901 |aTechnical report series ; |vno. 169
500 |aDigitized edition from print [produced by Environment and Climate Change Canada].
504 |aIncludes bibliographical references (p. 15-18).
5203 |a"Polychlorinated dibenzodioxin (PCDD) and polychlorinated dibenzofuran (PCDF) levels in the prey of Great Blue Herons (Ardea herodias) foraging on the Fraser River estuary tidal flats were determined in 1991. Observations of herons foraging at Iona and Westham Islands showed that starry flounder (Platichthys stellatus) and Pacific staghom sculpin (Leptocottus armatus) were the major prey species throughout the year. During the summer months the herons at Westham Island foraged extensively on other species as well"--Abstract.
530 |aIssued also in print format.
546 |aIncludes abstract in French.
69207|2gccst|aBirds
69207|2gccst|aFood
69207|2gccst|aPollutants
693 4|aGreat blue heron
7001 |aHarfenist, Anne, |d1957-
7101 |aCanada. |bEnvironment Canada.
7102 |aCanadian Wildlife Service. |bPacific and Yukon Region.
7760#|tFood chain sources of polychlorinated dioxins and furans to Great Blue Herons (Ardea herodias) foraging in the Fraser River estuary, British Columbia / |w(CaOODSP)9.612463
830#0|aTechnical report series (Canadian Wildlife Service)|vno. 169.|w(CaOODSP)9.504438
85640|qPDF|s12.61 MB|uhttps://publications.gc.ca/collections/collection_2018/eccc/cw69-5/CW69-5-169-eng.pdf