A review of sod seeding and techniques to improve waterfowl breeding habitat and agricultural production. by Harry A.G. Harris.
Material type:
TextPublication details: Winnipeg, MB : 1990. Ducks Unlimited Canada, Description: 30 pages ; 28 cmOnline resources: Abstract: Dabbling ducks (Anas spp.) are the major birds for sport hunting in North America and yet population levels have declined almost continuously since the early 1970's (PHJV Prospectus 1989) despite intensive management efforts by Provincial, Federal and State governments and private conservation organizations. The major breeding range of most duck species includes the mixed-grass prairie zone of the Northen Great Plains of which millions of acres of land remain in native, modified or improved grazing or haying use. Much of this land is sub-optimal for waterfowl breeding success; and agricultural productivity is also far short of potential. In North Dakota, overgrazed grasslands that contained little or no residual cover in spring were down to be relatively unattractive to nesting ducks (Duebbert et al.1986). Different duck species had markedly different preferences for types of nesting cover. Blocks of idle grassland containing tall, rank cover and no predator control produced six time
| Item type | Current library | Collection | Call number | Status | Date due | Barcode |
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Electronic Report
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Electronic Library | Non-fiction | HAR (Browse shelf(Opens below)) | Available | 1024 |
"November 1990."
Includes bibliographical references (pages 26-30).
Dabbling ducks (Anas spp.) are the major birds for sport hunting in North America and yet population levels have declined almost continuously since the early 1970's (PHJV Prospectus 1989) despite intensive management efforts by Provincial, Federal and State governments and private conservation organizations. The major breeding range of most duck species includes the mixed-grass prairie zone of the Northen Great Plains of which millions of acres of land remain in native, modified or improved grazing or haying use. Much of this land is sub-optimal for waterfowl breeding success; and agricultural productivity is also far short of potential. In North Dakota, overgrazed grasslands that contained little or no residual cover in spring were down to be relatively unattractive to nesting ducks (Duebbert et al.1986). Different duck species had markedly different preferences for types of nesting cover. Blocks of idle grassland containing tall, rank cover and no predator control produced six time