Douglas Johnson (Former Employee)
Science and Products
Filter Total Items: 318
A stochastic population model of mid-continental mallards A stochastic population model of mid-continental mallards
No abstract available.
Authors
Rolf R. Koford, J.R. Sauer, Douglas H. Johnson, J.D. Nichols, M.D. Samuel
Population dynamics of breeding waterfowl Population dynamics of breeding waterfowl
No abstract available.
Authors
Douglas H. Johnson, J.D. Nichols, M.D. Schwartz
Population dynamics of breeding waterfowl Population dynamics of breeding waterfowl
No abstract available.
Authors
Douglas H. Johnson, J.D. Nichols, M.D. Schwartz
Breeding population inventories and measures of recruitment Breeding population inventories and measures of recruitment
In this chapter we review the techniques used to measure two important parameters of waterfowl populations, size of breeding population and recruitment. If waterfowl are to be managed toward goals defined in terms of population sizes such as those in the recently signed North American Waterfowl Management Plan (U.S. Fish and Wildlife Service [USFWS] and Canadian Wildlife Service [CWS]...
Authors
L.M. Cowardin, R.J. Blohm
Foraging ecology and nutrition Foraging ecology and nutrition
No abstract available.
Authors
Gary L. Krapu, K. J. Reinecke
Bird censuses 115-120: Kentucky bluegrass prairie and mixed prairie I-V Bird censuses 115-120: Kentucky bluegrass prairie and mixed prairie I-V
Abstract has not been submitted
Authors
Douglas H. Johnson, M.D. Schwartz
Science and Products
Filter Total Items: 318
A stochastic population model of mid-continental mallards A stochastic population model of mid-continental mallards
No abstract available.
Authors
Rolf R. Koford, J.R. Sauer, Douglas H. Johnson, J.D. Nichols, M.D. Samuel
Population dynamics of breeding waterfowl Population dynamics of breeding waterfowl
No abstract available.
Authors
Douglas H. Johnson, J.D. Nichols, M.D. Schwartz
Population dynamics of breeding waterfowl Population dynamics of breeding waterfowl
No abstract available.
Authors
Douglas H. Johnson, J.D. Nichols, M.D. Schwartz
Breeding population inventories and measures of recruitment Breeding population inventories and measures of recruitment
In this chapter we review the techniques used to measure two important parameters of waterfowl populations, size of breeding population and recruitment. If waterfowl are to be managed toward goals defined in terms of population sizes such as those in the recently signed North American Waterfowl Management Plan (U.S. Fish and Wildlife Service [USFWS] and Canadian Wildlife Service [CWS]...
Authors
L.M. Cowardin, R.J. Blohm
Foraging ecology and nutrition Foraging ecology and nutrition
No abstract available.
Authors
Gary L. Krapu, K. J. Reinecke
Bird censuses 115-120: Kentucky bluegrass prairie and mixed prairie I-V Bird censuses 115-120: Kentucky bluegrass prairie and mixed prairie I-V
Abstract has not been submitted
Authors
Douglas H. Johnson, M.D. Schwartz