000 02119nam  2200409za 4500
0019.857804
003CaOODSP
00520221107155835
007cr |||||||||||
008180615s1998    oncb    o    f000 0 eng d
040 |aCaOODSP|beng
041 |aeng|bfre
043 |anl-----
0861 |aCW69-5/272E-PDF
1001 |aBlokpoel, H., |d1938-
24510|aAtlas of colonial waterbirds nesting on the Canadian Great Lakes, 1989-1991. |nPart 5, |pHerons and egrets in 1991 |h[electronic resource] / |cHans Blokpoel, Gaston D. Tessier.
24630|aHerons and egrets in 1991
260 |aNepean, Ont. : |bCanadian Wildlife Service, Ontario Region, |cc1998.
300 |aiv, 36 p. : |bmaps.
4901 |aTechnical report series ; |vno. 272
500 |aDigitized edition from print [produced by Environment and Climate Change Canada].
504 |aIncludes bibliographical references (p. 19-21).
5203 |a"During the 1991 breeding season an inventory was made of Great Blue Herons (Ardea herodias), Great Egrets (Ardea alba) and Black-crowned Night-Herons (Nycticorax nycticorax) nesting in the Canadian portions of Lake Huron (except for the waters surrounding Manitoulin Island) and the lower Great Lakes, including Lake St. Clair and the upper St. Lawrence River. Canadian Lake Superior was not surveyed in 1991, so 1989 data are used as substitutes in this report"--Abstract.
530 |aIssued also in print format.
546 |aIncludes abstract in French.
69207|2gccst|aAquatic birds
69207|2gccst|aPopulation distribution
69207|2gccst|aLakes
693 4|aHerons
693 4|aEgrets
7001 |aTessier, G. D.
7101 |aCanada. |bEnvironment Canada.
7102 |aCanadian Wildlife Service. |bOntario Region.
7760#|tAtlas of colonial waterbirds nesting on the Canadian Great Lakes, 1989-1991 : |w(CaOODSP)9.613677
830#0|aTechnical report series (Canadian Wildlife Service)|vno. 272.|w(CaOODSP)9.504438
85640|qPDF|s1.54 MB|uhttps://publications.gc.ca/collections/collection_2018/eccc/cw69-5/CW69-5-272-eng.pdf