Search Results - "JOHNSON, DOUGLAS H."

In Defense of Indices: The Case of Bird Surveys by Johnson, Douglas H

“…Indices to population size have come under increasing criticism in recent years, on the grounds that indices might not faithfully represent the entire…”
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Resampling-based methods for biologists by Fieberg, John R, Vitense, Kelsey, Johnson, Douglas H

“…Ecological data often violate common assumptions of traditional parametric statistics (e.g., that residuals are Normally distributed, have constant variance,…”
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Cerebrospinal Fluid Pressure Is Decreased in Primary Open-angle Glaucoma by Berdahl, John P., MD, Allingham, R. Rand, MD, Johnson, Douglas H., MD

“…Purpose To compare cerebrospinal fluid (CSF) pressure in patients with primary open-angle glaucoma (POAG) with that in nonglaucomatous patients. Design…”
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Behavior of bats at wind turbines by Cryan, Paul. M., Gorresen, P. Marcos, Hein, Cris D., Schirmacher, Michael R., Diehl, Robert H., Huso, Manuela M., Hayman, David T. S., Fricker, Paul D., Bonaccorso, Frank J., Johnson, Douglas H., Heist, Kevin, Dalton, David C.

“…Wind turbines are causing unprecedented numbers of bat fatalities. Many fatalities involve tree-roosting bats, but reasons for this higher susceptibility…”
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A comprehensive analysis of small-passerine fatalities from collision with turbines at wind energy facilities by Erickson, Wallace P, Wolfe, Melissa M, Bay, Kimberly J, Johnson, Douglas H, Gehring, Joelle L

“…Small passerines, sometimes referred to as perching birds or songbirds, are the most abundant bird group in the United States (US) and Canada, and the most…”
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Prioritizing Avian Species for Their Risk of Population-Level Consequences from Wind Energy Development by Beston, Julie A, Diffendorfer, Jay E, Loss, Scott R, Johnson, Douglas H

“…Recent growth in the wind energy industry has increased concerns about its impacts on wildlife populations. Direct impacts of wind energy include bird and bat…”
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Narrowness of habitat selection in woodland and grassland birds by Cunningham, Mary Ann, Johnson, Douglas H.

“…Conservationists have long been concerned about population declines among both woodland and grassland birds, especially those that require extensive areas of a…”
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The Insignificance of Statistical Significance Testing by Johnson, Douglas H.

“…Despite their wide use in scientific journals such as The Journal of Wildlife Management, statistical hypothesis tests add very little value to the products of…”
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Demographic and potential biological removal models identify raptor species sensitive to current and future wind energy by Diffendorfer, Jay E., Stanton, Jessica C., Beston, Julie A., Thogmartin, Wayne E., Loss, Scott R., Katzner, Todd E., Johnson, Douglas H., Erickson, Richard A., Merrill, Matt D., Corum, Margo D.

“…A central challenge in applied ecology is understanding the effect of anthropogenic fatalities on wildlife populations and predicting which populations may be…”
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A comparison of survey method efficiencies for estimating densities of zebra mussels ( Dreissena polymorpha ) by Ferguson, Jake M, Jiménez, Laura, Keyes, Aislyn A, Hilding, Austen, McCartney, Michael A, St Clair, Katherine, Johnson, Douglas H, Fieberg, John R

“…Abundance surveys are commonly used to estimate plant or animal densities and frequently require estimating detection probabilities to account for imperfect…”
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Predictors of Current and Longer-Term Patterns of Abundance of American Pikas (Ochotona princeps) across a Leading-Edge Protected Area by Moyer-Horner, Lucas, Beever, Erik A, Johnson, Douglas H, Biel, Mark, Belt, Jami

“…American pikas (Ochotona princeps) have been heralded as indicators of montane-mammal response to contemporary climate change. Pikas no longer occupy the…”
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The Importance of Replication in Wildlife Research by Johnson, Douglas H.

“…Wildlife ecology and management studies have been widely criticized for deficiencies in design or analysis. Manipulative experiments-with controls,…”
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Circadian Variation of Aqueous Dynamics in Young Healthy Adults by Sit, Arthur J, Nau, Cherie B, McLaren, Jay W, Johnson, Douglas H, Hodge, David

“…Recent research indicates that intraocular pressure (IOP) does not decrease significantly during the nocturnal period, although aqueous humor flow decreases by…”
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Application of habitat association models across regions: Useful explanatory power retained in wetland bird case study by Elliott, Lisa H., Bracey, Annie M., Niemi, Gerald J., Johnson, Douglas H., Gehring, Thomas M., Gnass Giese, Erin E., Fiorino, Giuseppe E., Howe, Robert W., Lawrence, Gregory J., Norment, Christopher J., Tozer, Douglas C., Igl, Lawrence D.

“…Species often exhibit regionally specific habitat associations, so habitat association models developed in one region might not be accurate or even appropriate…”
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What you find depends on where you look: responses to proximate habitat vary with landscape context by Cunningham, Mary Ann, Johnson, Douglas H.

“…There is persistent interest in understanding responses of passerine birds to habitat fragmentation, but research findings have been inconsistent and sometimes…”
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MMI: Multimodel inference or models with management implications? by Fieberg, John, Johnson, Douglas H.

“…We consider a variety of regression modeling strategies for analyzing observational data associated with typical wildlife studies, including all subsets and…”
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Environmental variability and population dynamics: do European and North American ducks play by the same rules? by Pöysä, Hannu, Rintala, Jukka, Johnson, Douglas H., Kauppinen, Jukka, Lammi, Esa, Nudds, Thomas D., Väänänen, Veli‐Matti

“…Density dependence, population regulation, and variability in population size are fundamental population processes, the manifestation and interrelationships of…”
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Radar quantifies migrant concentration and Dawn reorientation at a Great Lakes shoreline by Heist, Kevin W, Bowden, Tim S, Ferguson, Jake, Rathbun, Nathan A, Olson, Erik C, Nolfi, Daniel C, Horton, Rebecca, Gosse, Jeffrey C, Johnson, Douglas H, Wells, Michael T

“…Millions of flying migrants encounter the Great Lakes and other large water bodies on long-distance flights each spring and fall, but quantitative data…”
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What is the risk of developing pigmentary glaucoma from pigment dispersion syndrome? by Siddiqui, Yasmin, Ten Hulzen, Richard D, Cameron, J.Douglas, Hodge, David O, Johnson, Douglas H

“…To determine the probability of converting from pigment dispersion syndrome to pigmentary glaucoma. Retrospective community-based study of all newly diagnosed…”
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BRIEFING: THE CRISIS IN SOUTH SUDAN by Johnson, Douglas H.

“…On 16 Dec 2013 the President of the Republic of South Sudan, Salva Kiir Mayardit, appeared on state television in military uniform to announce that he had…”
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