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- Influence
DOUBLE SAMPLING TO ESTIMATE DENSITY AND POPULATION TRENDS IN BIRDS
Abstract We present a method for estimating density of nesting birds based on double sampling. The approach involves surveying a large sample of plots using a rapid method such as uncorrected point… Expand
Relative importance of male and territory quality in pairing success of male rock ptarmigan (Lagopus mutus)
Abstract We studied pairing success in male rock ptarmigan (Lagopus mutus) in northern Alaska to learn whether males obtaining more females possessed phenotypic traits that influenced female choice… Expand
A landscape-scale model of yellow-billed loon (Gavia adamsii) habitat preferences in northern alaska
- S. Earnst, Robert M. Platte, Laura Bond
- Geography
- Hydrobiologia
- 1 September 2006
We modeled yellow-billed loon (Gavia adamsii) habitat preferences in a 23,500 km2 area of northern Alaska using intensive aerial surveys and landscape-scale habitat descriptors. Of the 757 lakes… Expand
POPULATION SIZE AND TREND OF YELLOW-BILLED LOONS IN NORTHERN ALASKA
- S. Earnst, R. Stehn, Robert M. Platte, William W. Larned, Edward J. Mallek
- Geography
- 1 May 2005
Abstract The Yellow-billed Loon (Gavia adamsii) is of conservation concern due to its restricted range, small population size, specific habitat requirements, and perceived threats to its breeding and… Expand
Changes in avian and plant communities of aspen woodlands over 12 years after livestock removal in the Northwestern Great Basin.
- S. Earnst, D. S. Dobkin, Jennifer A. Ballard
- Biology, Medicine
- Conservation biology : the journal of the Society…
- 1 October 2012
Riparian and quaking aspen (Populus tremuloides) woodlands are centers of avian abundance and diversity in the western United States, but they have been affected adversely by land use practices,… Expand
Tundra swan habitat preferences during migration in North Dakota
- S. Earnst
- Biology
- 1 July 1994
I studied tundra swan (Cygnus columbianus columbianus) habitat preference in North Dakota during autumn migration, 1988-89. Many thousand tundra swans stop in the Prairie Pothole region during autumn… Expand
Demography of eastern population tundra swans, Cygnus columbianus columbianus
- J. Bart, Roland J Limpert, S. Earnst, W. Sladen, J. E. Hines, T. Rothé
- Geography
- 16 April 2013
We present rates o f productivity and survivorship during thefirstyear o f lifefor Eastern Population Tundra Swans based on several extensive data sets. Our main objective is to illustrate how such… Expand
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FACTORS INFLUENCING NEST SUCCESS OF SONGBIRDS IN ASPEN AND WILLOW RIPARIAN AREAS IN THE GREAT BASIN
- Jeannie M. Heltzel, S. Earnst
- Biology
- 1 November 2006
Abstract ABSTRACT Recent studies have examined the effects oflivestock grazing, agriculture, and humanhabitation on nest predation and brood parasitismin riparian areas in the western United… Expand
The timing of wing molt in tundra swans: energetic and non-energetic constraints
- S. Earnst
- Biology
- 1 November 1992
Date of wing molt initiation, based on the regression of tenth primary length on capture date, was calculated for breeding and nonbreeding Tundra Swans (Cygnus columbianus columbianus) on the… Expand
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