Gary Krapu, PhD (Former Employee)
Science and Products
Filter Total Items: 105
Thirty-seventh breeding bird census - mixed prairie Thirty-seventh breeding bird census - mixed prairie
Abstract has not been submitted
Authors
Douglas H. Johnson, Gary L. Krapu
A recent record of the meadow jumping mouse, Zapus hudsonius, in subarctic Canada A recent record of the meadow jumping mouse, Zapus hudsonius, in subarctic Canada
The occurrence of Zapus hudsonius is confirmed for the area lying N of the Mackenzie River and Great Slave Lake.
Authors
Gary Krapu, David L. Traugher
Waterfowl in relation to land use and water levels on the Spring Run Area Waterfowl in relation to land use and water levels on the Spring Run Area
Low water levels during critical phases of the breeding cycle appear to have caused population declines of waterfowl and other marsh birds on the Spring Run Game Management Area. Pair-counts indicated a decline from 70 pairs of waterfowl in 1965 to 2 pairs in 1968. Nest success of upland nesting blue-winged teal (Anas discors) averaged 33% and mallards (Anas platyrhyncos) averaged 23%...
Authors
Gary L. Krapu, D.R. Parsons, M.W. Weller
Science and Products
Filter Total Items: 105
Thirty-seventh breeding bird census - mixed prairie Thirty-seventh breeding bird census - mixed prairie
Abstract has not been submitted
Authors
Douglas H. Johnson, Gary L. Krapu
A recent record of the meadow jumping mouse, Zapus hudsonius, in subarctic Canada A recent record of the meadow jumping mouse, Zapus hudsonius, in subarctic Canada
The occurrence of Zapus hudsonius is confirmed for the area lying N of the Mackenzie River and Great Slave Lake.
Authors
Gary Krapu, David L. Traugher
Waterfowl in relation to land use and water levels on the Spring Run Area Waterfowl in relation to land use and water levels on the Spring Run Area
Low water levels during critical phases of the breeding cycle appear to have caused population declines of waterfowl and other marsh birds on the Spring Run Game Management Area. Pair-counts indicated a decline from 70 pairs of waterfowl in 1965 to 2 pairs in 1968. Nest success of upland nesting blue-winged teal (Anas discors) averaged 33% and mallards (Anas platyrhyncos) averaged 23%...
Authors
Gary L. Krapu, D.R. Parsons, M.W. Weller