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A Retrospective Perspective: Evaluating Population ...
Northern Prairie Research Center — Illustrates the advantages and disadvantages in repeating a historical survey and some of the challenges that might arise when using this approach to evaluate population changes. Abstract: Acquiring an accurate picture of the changes in bird ...More…
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Logistic-Exposure Analyses of Nest Survival
Northern Prairie Research Center — SAS code and macros for conducting logistic-exposure analyses of nest survival This resource consists of downloadable computer code (SAS and R) for performing logistic-exposure analyses of nest survival described in the following ...More…
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Waterfowl and Habitat Changes
Northern Prairie Research Center — Assessment of changes in waterfowl populations, wetland characteristics, land use, and landowner demographics 40 years after the first comprehensive Waubay study was conducted from 1950 to 1953 in Day County, South Dakota From 1950 to 1953, Evans ...More…
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The Fishes of the Upper Moreau River Basin
Northern Prairie Research Center — Provides the first available survey of fish community data for the upper Moreau River, as well as physical habitat data that may allow future surveyors to discern trends in the health of the watershed and fish community Loomis, Todd M., Charles ...More…
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Methods and Results
Northern Prairie Research Center — Evaluation of potential biases in hatch-rate estimates of duck nests We used four reasonably large samples (83-213) of Mallard (Anas platyrhynchos) and Blue-winged Teal (A. discors) nests on an interstate highway right-of-way in southcentral ...More…
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Using Known Populations of Pronghorn to Evaluate
Northern Prairie Research Center — Evaluates widely used sampling plans and estimators of population size on 3 known clustered distributions of pronghorn Although sampling plans and estimators of abundance have good theoretical properties, their performance in real situations is ...More…
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Wetland Basin Data
Northern Prairie Research Center — Discusses the biases and benefits of using 800-m versus 400-m wide transects for surveys of waterfowl and their associated wetland habitat Jane E. Austin, H. Thomas Sklebar, Glenn R. Guntenspergen, and Thomas K. Buhl Strip transects located along ...More…
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Changes in Breeding Bird Populations in North Dakota: ...
Northern Prairie Research Center — A comparison of breeding bird populations in North Dakota between 1967 and 1992-93 We compared breeding bird populations in North Dakota using surveys conducted in 1967 and 1992-93. In decreasing order, the five most frequently occurring species ...More…
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Habitat Management for Migrating and Wintering
Northern Prairie Research Center — Discusses the value of moist-soil habitat for migrating and wintering Canada geese We integrate information from unpublished studies in Missouri to discuss the value of moist-soil habitat for migrating and wintering Canada geese (Branta ...More…
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Glenn D. DelGiudice 1, Ken D. Kerr 2, L. David Mech 3,
Northern Prairie Research Center — Examines effect of chronic moderate and severe nutritional restriction during winter on ratios of urinary 3-methylhistidine:creatinine in adult, white-tailed deer and the relationship of these ratios to urinary urea nitrogen:creatinine ...More…
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William J. Paul
Northern Prairie Research Center — Information on the extent of wolf depredation of livestock in northern Minnesota from 1975-86 and the effectiveness of control measures U.S. Fish and Wildlife Service Patuxent Wildlife Research Center Laurel, Maryland 20708 U.S. Department of ...More…
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Survival of Postfledging Mallards in Northcentral Minnesota
Northern Prairie Research Center — Results of a radio telemetry study to estimate survival rates of immature mallards from fledging to autumn migration Effective, economical management of waterfowl populations requires an understanding of age-, sex-, and cause-specific forces of ...More…