Search Results - "Kyser, Kurt"

Changing gull diet in a changing world: A 150-year stable isotope (δ13C, δ15N) record from feathers collected in the Pacific Northwest of North America by Blight, Louise K., Hobson, Keith A., Kyser, T. Kurt, Arcese, Peter

“…The world's oceans have undergone significant ecological changes following European colonial expansion and associated industrialization. Seabirds are useful…”
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Extremely rapid and localized recharge to a fractured rock aquifer by Gleeson, Tom, Novakowski, Kent, Kurt Kyser, T.

“…The factors that govern recharge to fractured rock aquifers with overlying soil are poorly understood. The objective of this study is to determine if recharge…”
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Contamination of Mercury during the Wintering Period Influences Concentrations at Breeding Sites in Two Migratory Piscivorous Birds by Lavoie, Raphael A, Baird, Christopher J, King, Laura E, Kyser, T. Kurt, Friesen, Vicki L, Campbell, Linda M

“…Many aquatic fish-eating birds migrate long distances and are exposed to different mercury concentrations ([Hg]) during their annual cycle. Here we examined…”
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Tracking Overwintering Areas of Fish-Eating Birds to Identify Mercury Exposure by Lavoie, Raphael A, Kyser, T. Kurt, Friesen, Vicki L, Campbell, Linda M

“…Migration patterns are believed to greatly influence concentrations of contaminants in birds due to accumulation in spatially and temporally distinct…”
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Causes and consequences of variation in diet composition of nestling Canada jays by Nikole E. Freeman, Amy E. M. Newman, Alex O. Sutton, T. Kurt Kyser, D. Ryan Norris

“…Diet quality during development can impact growth, physiology, behaviour and survival. The Canada jay is a resident boreal passerine that caches a wide variety…”
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Non-breeding season events influence sexual selection in a long-distance migratory bird by Reudink, Matthew W, Marra, Peter P, Kyser, T. Kurt, Boag, Peter T, Langin, Kathryn M, Ratcliffe, Laurene M

“…). Previous work on American redstarts demonstrated that overwintering in a high-quality habitat influences spring departure dates from the wintering grounds,…”
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Tropical winter habitat limits reproductive success on the temperate breeding grounds in a migratory bird by Norris, D. Ryan, Marra, Peter P., Kyser, T. Kurt, Sherry, Thomas W., Ratcliffe, Laurene M.

“…), winter habitat quality influenced arrival date on the breeding grounds, which in turn affected key variables associated with reproduction, including the…”
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Salinity reflux and dolomitization of southern Australian slope sediments: the importance of low carbonate saturation levels by RIVERS, JOHN M., KURT KYSER, T., JAMES, NOEL P.

“…Anomalously saline waters in Ocean Drilling Program Holes 1127, 1129, 1130, 1131 and 1132, which penetrate southern Australian slope sediments, and isotopic…”
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Herbivory in a spider through exploitation of an ant–plant mutualism by Meehan, Christopher J., Olson, Eric J., Reudink, Matthew W., Kyser, T. Kurt, Curry, Robert L.

“…Spiders are thought to be strict predators [1]. We describe a novel exception: Bagheera kiplingi, a Neotropical jumping spider (Salticidae) that exploits a…”
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Natal dispersal driven by environmental conditions interacting across the annual cycle of a migratory songbird by Studds, Colin E, Kyser, T. Kurt, Marra, Peter P

“…Natal dispersal, the process through which immature individuals permanently depart their natal area in search of new sites, is integral to the ecology and…”
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Does the proportion of arthropods versus fruit in the diet influence overwintering condition of an omnivorous songbird? by McKinnon, Emily A., Kyser, T. Kurt, Stutchbury, Bridget J. M.

“…Many migratory songbirds switch from a primarily insectivorous diet during the breeding season to either a mixed diet or fruit diet during the non-breeding…”
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Hydrogen isotopic variation in migratory bird tissues of known origin: implications for geographic assignment by Langin, Kathryn M, Reudink, Matthew W, Marra, Peter P, Norris, D. Ryan, Kyser, T. Kurt, Ratcliffe, Laurene M

“…Continent-wide variation in hydrogen isotopic composition of precipitation is incorporated into animal diets, providing an intrinsic marker of geographic…”
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Diet reconstruction and historic population dynamics in a threatened seabird by NORRIS, D. RYAN, ARCESE, PETER, PREIKSHOT, DAVID, BERTRAM, DOUGLAS F, KYSER, T. KURT

“…1. For the overwhelming majority of species, we lack long-term information on the dynamics of populations. As a consequence, we face considerable uncertainty…”
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Geochronology of unconformity-related uranium deposits in the Athabasca Basin, Saskatchewan, Canada and their integration in the evolution of the basin by Alexandre, Paul, Kyser, Kurt, Thomas, Dave, Polito, Paul, Marlat, Jim

“…The importance of geochronology in the study of mineral deposits in general, and of unconformity-type uranium deposits in particular, resides in the…”
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Geographic variation of strontium and hydrogen isotopes in avian tissue: implications for tracking migration and dispersal by Sellick, Megan J, Kyser, T Kurt, Wunder, Michael B, Chipley, Don, Norris, D Ryan

“…Isotopes can provide unique solutions to fundamental problems related to the ecology and evolution of migration and dispersal because prior movements of…”
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Linking Isotopes and Panmixia: High Within-Colony Variation in Feather δ2H, δ13C, and δ15N across the Range of the American White Pelican by Reudink, Matthew W, Kyle, Christopher J, McKellar, Ann E, Somers, Christopher M, Reudink, Robyn L F, Kyser, T Kurt, Franks, Samantha E, Nocera, Joseph J

“…Complete panmixia across the entire range of a species is a relatively rare phenomenon; however, this pattern may be found in species that have limited…”
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Formation of the enigmatic Matoush uranium deposit in the Paleoprotozoic Otish Basin, Quebec, Canada by Alexandre, Paul, Kyser, Kurt, Layton-Matthews, Daniel, Beyer, Steve R., Hiatt, Eric E., Lafontaine, Jonathan

“…The Matoush uranium deposit is situated in the Paleoproterozoic Otish Basin, northern Quebec, Canada, and is hosted by the Indicator Formation sandstones. Its…”
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The long and the short of it: no dietary specialisation between male and female western sandpipers despite strong bill size dimorphism by Franks, Samantha E, Fernández, Guillermo, Hodkinson, David J, Kyser, T Kurt, Lank, David B

“…Many bird species show spatial or habitat segregation of the sexes during the non-breeding season. One potential ecological explanation is that differences in…”
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Plumage brightness predicts non-breeding season territory quality in a long-distance migratory songbird, the American redstart Setophaga ruticilla by Reudink, Matthew W., Studds, Colin E., Marra, Peter P., Kurt Kyser, T., Ratcliffe, Laurene M.

“…Many species of birds exhibit brilliant ornamental plumage, yet most research on the function and evolution of plumage has been confined to the breeding…”
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Contrasting patterns of alteration at the Wheeler River area, Athabasca Basin, Saskatchewan, Canada; insights into the apparently uranium-barren zone K alteration system by Cloutier, Jonathan, Kyser, Kurt, Olivo, Gema R, Alexandre, Paul

“…Previous studies on Athabasca basin unconformity-related uranium deposits have focused on major deposits and have not investigated sites with barren alteration…”
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