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  1. Ecology of greater sage-grouse in the Dakotas

    Greater sage-grouse (Centrocercus urophasianus) populations and the sagebrush (Artemisia spp.) communities that they rely on have dramatically declined from historic levels. Moreover, information regarding sage-grouse annual life-history requirements at the eastern-most extension of sagebrush steppe communities is lacking....

    Author(s):
    Christopher C. Swanson
    Year:
    2009
    Keywords:
    greater sage-grouse, Centrocercus urophasianus, sagebrush, Artemisia spp.
    Source:
    Brookings: South Dakota State University. 168 p. Dissertation.

  2. Detection probabilities of woodpecker nests in mixed conifer forests in Oregon

    Accurate estimates of Black-backed (Picoides arcticus) and Hairy Woodpecker (P. villosus) nests and nest survival rates in post-fire landscapes provide land managers with information on the relative importance of burned forests to nesting woodpeckers. We conducted multiple-observer surveys in burned and unburned mixed coniferous forests in Oregon to identify important...

    Author(s):
    Robin E. Russell; Victoria A. Saab; Jay J. Rotella; Jonathan G. Dudley
    Year:
    2009
    Keywords:
    Black-backed Woodpecker (Picoides arcticus), Hairy Woodpecker (P. villosus), detection, Oregon
    Source:
    The Wilson Journal of Ornithology. 121(1): 82-88.

  3. Factors affecting breeding season survival of red-headed woodpeckers in South Carolina

    Red-headed woodpecker (Melanerpes erythrocephalus) populations have declined in the United States and Canada over the past 40 years. However, few demographic studies have been published on the species and none have addressed adult survival. During 2006¨C2007, we estimated survival probabilities of 80 radio-tagged red-headed woodpeckers during the breeding season in...

    Author(s):
    John C. Kilgo; Mark Vukovich
    Year:
    2012
    Keywords:
    accipiter, cover, know-fate models, Melanerpes erythrocephalus, mortality, radio telemetry, red-headed woodpecker, snag density, survival
    Source:
    The Journal of Wildlife Management 76(2):328-335

  4. Plethodontid salamander population ecology in managed forest headwaters in the Oregon coast range

    We examined temporal and spatial patterns of terrestrial amphibian species abundances and individual movements in western Oregon managed headwater forest stands using artifi cial cover object (ACO) arrays. Using mark-recapture methods, we estimated the eff ects of species and seasonality on apparent survival rates and recapture probabilities. We captured, marked, and...

    Author(s):
    Matthew R. Kluber; Deanna H. Olson
    Year:
    2013
    Keywords:
    dispersal, movements, riparian, survival, recapture probabilities.
    Source:
    In: Anderson, P.D.; Ronnenberg, K.L., eds. Density management in the 21st century: west side story. Gen. Tech. Rep. PNW-GTR-880. Portland, OR: US Department of Agriculture, Forest Service, Pacific Northwest Research Station: 212-212.

  5. Do biological and bedsite characteristics influence survival of neonatal white-tailed deer?

    Coyotes recently expanded into the eastern U.S. and potentially have caused localized white-tailed deer population declines. Research has focused on quantifying coyote predation on neonates, but little research has addressed the potential influence of bedsite characteristics on survival. In 2011 and 2012, we radiocollared 65 neonates, monitored them intensively for 16...

    Author(s):
    M. Colter Chitwood; Marcus A. Lashley; John C. Kilgo; Kenneth H. Pollock; Christopher E. Moorman; Christopher S. DePerno
    Year:
    2015
    Keywords:
    Source:
    PLoS One

  6. Mark-recapture estimation of snag standing rates in northern Arizona mixed-conifer and ponderosa pine forests

    Snags (standing dead trees) are important components of forests that provide resources for numerous species of wildlife and contribute to decay dynamics and other ecological processes. Managers charged with managing populations of snags need information about standing rates of snags and factors influencing those rates, yet such data are limited for ponderosa pine (...

    Author(s):
    Joseph L. Ganey; Gary C. White; Jeffrey S. Jenness; Scott C. Vojta
    Year:
    2015
    Keywords:
    aspen, dead trees, Douglas-fir, Gambel oak, Pinus ponderosa, snag dynamics, snag longevity, white fi
    Source:
    The Journal of Wildlife Management. 79(8): 1369-1377.
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