Search Results - "Chelgren, N. D."

Fidelity and breeding probability related to population density and individual quality in black brent geese Branta bernicla nigricans by Sedinger, J. S., Chelgren, N. D., Ward, D. H., Lindberg, M. S.

“…1. Patterns of temporary emigration (associated with non-breeding) are important components of variation in individual quality. Permanent emigration from the…”
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Occupancy Patterns of Mammals and Lentic Amphibians in the Elwha River Riparian Zone Before Dam Removal by Jenkins, K. J, Chelgren, N. D, Sager‐Fradkin, K. A, Happe, P. J, Adams, M. J

“…The downstream transport of sediments and organics and upstream migration of anadromous fishes are key ecological processes in unregulated riverine ecosystems…”
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Carryover Aquatic Effects on Survival of Metamorphic Frogs during Pond Emigration by Chelgren, Nathan D., Rosenberg, Daniel K., Heppell, Selina S., Gitelman, Alix I.

“…In organisms with complex life cycles, physiological stressors during early life stages may have fitness-level impacts that are delayed into later stages or…”
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Testing for Handling Bias in Survival Estimation for Black Brant by Sedinger, James S., Lindberg, Mark S., Rexstad, Eric A., Chelgren, Nathan D., Ward, David H.

“…We used an ultrastructure approach in program SURVIV to test for, and remove, bias in survival estimates for the year following mass banding of female black…”
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Effects of El NiñO on Distribution and Reproductive Performance of Black Brant by Sedinger, James S., Ward, David H., Schamber, Jason L., Butler, William I., Eldridge, William D., Conant, Bruce, Voelzer, James F., Chelgren, Nathan D., Herzog, Mark P.

“…Climate in low-latitude wintering areas may influence temperate and high-latitude breeding populations of birds, but demonstrations of such relationships have…”
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Age-Specific Breeding Probability in Black Brant: Effects of Population Density by Sedinger, James S., Lindberg, Mark S., Chelgren, Nathan D.

“…1. We estimated age-specific probability of breeding for black brant (Branta bernicla nigricans Lawrence) (hereafter brant) at the Tutakoke River Colony,…”
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Fish response to successive clearcuts in a second-growth forest from the central Coast range of Oregon by Bateman, D.S., Chelgren, N.D., Gresswell, R.E., Dunham, J.B., Hockman-Wert, D.P., Leer, D.W., Bladon, K.D.

“…•Survival rates and mean relative biomass (g) exhibited similar patterns among treatment periods.•Changes in relative biomass occurred primarily in the area…”
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Using multilevel spatial models to understand salamander site occupancy patterns after wildfire by Chelgren, Nathan D, Adams, Michael J, Bailey, Larissa L, Bury, R. Bruce

“…Studies of the distribution of elusive forest wildlife have suffered from the confounding of true presence with the uncertainty of detection. Occupancy…”
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Using occupancy models to understand the distribution of an amphibian pathogen, Batrachochytrium dendrobatidis by Adams, Michael J, Chelgren, Nathan D, Reinitz, David, Cole, Rebecca A, Rachowicz, Lara J, Galvan, Stephanie, McCreary, Brome, Pearl, Christopher A, Bailey, Larissa L, Bettaso, Jamie, Bull, Evelyn L, Leu, Matthias

“…Batrachochytrium dendrobatidis is a fungal pathogen that is receiving attention around the world for its role in amphibian declines. Study of its occurrence…”
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Radiotransmitter Mount Type Affects Burrowing Owl Survival by GERVAIS, JENNIFER A, CATLIN, DANIEL H, CHELGREN, NATHAN D, ROSENBERG, DANIEL K

“…Gervais et al conduct a research on the demographics, space use, and dispersal patterns in 2 resident populations of burrowing owls in California. They use 2…”
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REDISTRIBUTION AND GROWTH OF THE CASPIAN TERN POPULATION IN THE PACIFIC COAST REGION OF NORTH AMERICA, 1981-2000 by Suryan, R M, Craig, D P, Roby, D D, Chelgren, N D, Collis, K, Shuford, W D, Lyons, DE

“…We examined nesting distribution and demography of the Pacific Coast population of Caspian Terns (Sterna caspia) using breeding records and band recoveries…”
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Life-history Implications Of Large-scale Spatial Variation In Adult Survival Of Black Brant (Branta bernicla nigricans) by Sedinger, J S, Chelgren, N D, Lindberg, MS, Obritchkewitch, T, Kirk, M T, Martin, P, Anderson, BA, Ward, D H

“…We used capture-recapture methods to estimate adult survival rates for adult female Black Brant (Branta bernicla nigricans; hereafter 'brant') from three…”
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REDISTRIBUTION AND GROWTH OF THE CASPIAN TERN POPULATION IN THE PACIFIC COAST REGION OF NORTH AMERICA, 1981–2000 by Suryan, Robert M, Craig, David P, Roby, Daniel D, Chelgren, Nathan D, Collis, Ken, Shuford, W. David, Lyons, Donald E

“…We examined nesting distribution and demography of the Pacific Coast population of Caspian Terns (Sterna caspia) using breeding records and band recoveries…”
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LIFE-HISTORY IMPLICATIONS OF LARGE-SCALE SPATIAL VARIATION IN ADULT SURVIVAL OF BLACK BRANT (BRANTA BERNICLA NIGRICANS) by Sedinger, James S, Chelgren, Nathan D, Lindberg, Mark S, Obritchkewitch, Tim, Kirk, Morgan T, Martin, Philip, Anderson, Betty A, Ward, David H

“…We used capture–recapture methods to estimate adult survival rates for adult female Black Brant (Branta bernicla nigricans; hereafter “brant”) from three…”
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