Refine your search:
Non-technical Resources Non-Waterfowl Birds Regional Overviews Species Accounts/Descriptions State/Province Status & Trends
- 17
-
Sampling Designs for Carnivore Scent-Station Surveys
Northern Prairie Research Center — Uses data collected from carnivore scent-station surveys in Minnesota, USA, during 1986-1991 to encourage and facilitate the use of efficient designs and reporting standards. Abstract: Scent stations usually are deployed in clusters to expedite ...More…
-
Marsha Sovada
Northern Prairie Research Center — Provides results of a systematic survey of swift fox (Vulpes velox) distribution in western Kansas, USA, and describes the use of Markov chain Monte Carlo (MCMC) image restoration to rectify problems with map accuracy. Glen A. Sargeant, Marsha A. ...More…
-
A Unified Approach to Analyzing Nest Success
Northern Prairie Research Center — Illustrates how the combination of generalized linear models and information-theoretic techniques for model selection, along with commonly available statistical software, provides ornithologists with a powerful, easily used approach to analyzing ...More…
-
Jan L. Eldridge
Northern Prairie Research Center — Examines use of stored fat by adult male and female Baird's, Semipalmated, and White-rumped Sandpipers during their spring stopovers in eastern North Dakota. Gary L. Krapu, Jan L. Eldridge, Cheri L. Gratto-Trevor, and Deborah A. Buhl Key words: ...More…
-
Alien Plants Ranking System
Northern Prairie Research Center — Software to help land managers make difficult decisions concerning invasive nonnative plants The Alien Plants Ranking System (APRS) is a computer-implemented system to help land managers make difficult decisions concerning invasive nonnative ...More…
-
Jill A. Shaffer
Northern Prairie Research Center — Investigates the effect of vegetation structure on the density and nesting success of 3 grassland-nesting birds: clay-colored sparrow (Spizella pallida), Savannah sparrow (Passerculus sandwichensis), and bobolink (Dolichonyx oryzivorus) in 3 ...More…
-
Todd A. Grant
Northern Prairie Research Center — Examines nest survival as a function of nest age and date in Clay-colored Sparrows (Spizella pallida) and Vesper Sparrows (Pooecetes gramineus) breeding in north-central North Dakota using the logistic-exposure method. Todd A. Grant, Terry L. ...More…
-
Mary Ann Cunningham
Northern Prairie Research Center — Examines the influences of tree cover at both proximate and landscape scales on grassland birds, a group of birds of high conservation concern, in the Sheyenne National Grassland in North Dakota, USA. Abstract: Ecologists increasingly recognize ...More…
-
Jill A. Shaffer
Northern Prairie Research Center — Tests the spatial and temporal repeatability of the influence of patch size and landscape composition on density and nesting success of 3 grassland passerines in 3 regions of the northern tallgrass prairie in Minnesota and North Dakota, ...More…
-
Andrea S. Lueders
Northern Prairie Research Center — Evaluates bird population densities and their habitats under cattle and bison management regimes in mixed-grass prairie. Andrea S. Lueders, Patricia L. Kennedy, and Douglas H. Johnson It is well known that North American grassland bird ...More…
-
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…
-
Randy W. Renner
Northern Prairie Research Center — Investigates patterns and causes of variation in clutch sizes in a guild of five species of temperate-nesting dabbling ducks (Mallard, Northern Pintail, Gadwall, Blue-winged Teal, and Northern Shoveler) during 1993-1995 in the Prairie Pothole ...More…