A comparison of duck-nesting habitats at Waterhen Marsh, Saskatchewan / Edward G. Hennan.
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TextPublication details: Guelph, ON : 1969. University of Guelph,Description: 26 p. : ill. , map ; 28 cmOnline resources: Abstract: An analysis of duck-nesting records collected at Waterhen Marsh,Saskatchewan between 1967 and 1969 revealed that small islands approximately 0.1 acre in size were most efficient as production sites for ducklings when compared with upland, ditchbanks, and large (5-acre)islands. Upland provided the least productive habitat. The figures derived for nesting densities, average clutch sizes, and hatching success provided the means for calculating a production of 396 ducklings per acre on small-island habitat (all nesting species combined).Amortized over 50 years, the cost of producing ducks by constructing small islands was found to be $ 0.17 per duckling. The results of the comparisons of nesting efficiency on various habitats may be used in planning future waterfowl management programs.
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Includes bibliographical references (p. 24-26).
An analysis of duck-nesting records collected at Waterhen Marsh,Saskatchewan between 1967 and 1969 revealed that small islands approximately 0.1 acre in size were most efficient as production sites for ducklings when compared with upland, ditchbanks, and large (5-acre)islands. Upland provided the least productive habitat. The figures derived for nesting densities, average clutch sizes, and hatching success provided the means for calculating a production of 396 ducklings per acre on small-island habitat (all nesting species combined).Amortized over 50 years, the cost of producing ducks by constructing small islands was found to be $ 0.17 per duckling. The results of the comparisons of nesting efficiency on various habitats may be used in planning future waterfowl management programs.