. The Canadian field-naturalist. Natural history. 75 80 85 Time (1965-92). 80 85 Time (1965-92) Figure 1. Annual catch (number of individuals banded) to effort ratios from 1965-1992 for Black Ducks (top left). Mallards (bottom left), hybrids (bottom right) and for all combined (top right), in the Canadian Maritime Provinces (from Canadian Wildlife Service banding records). We especially thank reviews by A. J. Erskine and an anonymous reviewer. Graduate student support was provided to R. D'Eon by the Faculty of. Please note that these images are extracted from scanned page images that may have
. The Canadian field-naturalist. Natural history. 75 80 85 Time (1965-92). 80 85 Time (1965-92) Figure 1. Annual catch (number of individuals banded) to effort ratios from 1965-1992 for Black Ducks (top left). Mallards (bottom left), hybrids (bottom right) and for all combined (top right), in the Canadian Maritime Provinces (from Canadian Wildlife Service banding records). We especially thank reviews by A. J. Erskine and an anonymous reviewer. Graduate student support was provided to R. D'Eon by the Faculty of. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ottawa Field-Naturalists' Club. Ottawa, Ottawa Field-Naturalists' Club
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectnaturalhistory, booky
