Search Results - "Brawn, Jeffrey D."

Prospects for Neotropical Forest Birds and Their Habitats Under Contrasting Emissions Scenarios by Brawn, Jeffrey D., Luther, David, Qu, Mingxin, Farinelli, Sarah M., Cooper, W. Justin, Fu, Rong

“…ABSTRACT Current and near future climate policy will fundamentally influence the integrity of ecological systems. The Neotropics is a region where biodiversity…”
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Impacts of changing rainfall regime on the demography of tropical birds by Brawn, Jeffrey D., Benson, Thomas J., Stager, Maria, Sly, Nicholas D., Tarwater, Corey E.

“…Increasing dry season length in central Panama reduced population growth rates and viability in nearly one-third of the 20 tropical bird species investigated…”
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Fine-scale variation in vector host use and force of infection drive localized patterns of West Nile virus transmission by Hamer, Gabriel L, Chaves, Luis F, Anderson, Tavis K, Kitron, Uriel D, Brawn, Jeffrey D, Ruiz, Marilyn O, Loss, Scott R, Walker, Edward D, Goldberg, Tony L

“…The influence of host diversity on multi-host pathogen transmission and persistence can be confounded by the large number of species and biological…”
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Disentangling environmental drivers of metabolic flexibility in birds: the importance of temperature extremes versus temperature variability by Stager, Maria, Pollock, Henry S., Benham, Phred M., Sly, Nicholas D., Brawn, Jeffrey D., Cheviron, Zachary A.

“…Examining physiological traits across large spatial scales can shed light on the environmental factors driving physiological variation. For endotherms,…”
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Wild birds and urban ecology of ticks and tick-borne pathogens, Chicago, Illinois, USA, 2005-2010 by Hamer, Sarah A, Goldberg, Tony L, Kitron, Uriel D, Brawn, Jeffrey D, Anderson, Tavis K, Loss, Scott R, Walker, Edward D, Hamer, Gabriel L

“…Bird-facilitated introduction of ticks and associated pathogens is postulated to promote invasion of tick-borne zoonotic diseases into urban areas. Results of…”
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Relationships between avian diversity, neighborhood age, income, and environmental characteristics of an urban landscape by Loss, Scott R., Ruiz, Marilyn O., Brawn, Jeffrey D.

“…Maintaining biodiversity in urbanizing landscapes has become a top conservation priority. We examined variation in bird communities across a diverse array of…”
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Early‐life patterns of growth are linked to levels of phenotypic trait covariance and postfledging mortality across avian species by Merrill, Loren, Jones, Todd M., Brawn, Jeffrey D., Ward, Michael P.

“…Life history studies have established that trade‐offs between growth and survival are common both within and among species. Identifying the factor(s) that…”
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Dispersal of adult culex mosquitoes in an urban west nile virus hotspot: a mark-capture study incorporating stable isotope enrichment of natural larval habitats by Hamer, Gabriel L, Anderson, Tavis K, Donovan, Danielle J, Brawn, Jeffrey D, Krebs, Bethany L, Gardner, Allison M, Ruiz, Marilyn O, Brown, William M, Kitron, Uriel D, Newman, Christina M, Goldberg, Tony L, Walker, Edward D

“…Dispersal is a critical life history behavior for mosquitoes and is important for the spread of mosquito-borne disease. We implemented the first stable isotope…”
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Avian host community structure and prevalence of West Nile virus in Chicago, Illinois by Loss, Scott R, Hamer, Gabriel L, Walker, Edward D, Ruiz, Marilyn O, Goldberg, Tony L, Kitron, Uriel D, Brawn, Jeffrey D

“…Vertebrate host diversity has been postulated to mediate prevalence of zoonotic, vector-borne diseases, such that as diversity increases, transmission dampens…”
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Interspecific Associations between Circulating Antioxidant Levels and Life‐History Variation in Birds by Cohen, Alan A., McGraw, Kevin J., Wiersma, Popko, Williams, Joseph B., Robinson, W. Douglas, Robinson, Tara R., Brawn, Jeffrey D., Ricklefs, Robert E.

“…Antioxidants play an important role in protecting tissues against aging‐associated oxidative damage and are thus prime candidates for relating physiological…”
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Low Extrapair Paternity Observed in a Tropical Bird Despite Ample Opportunities for Extrapair Mating by Tarwater, Corey E, Brawn, Jeffrey D, Maddox, J. Dylan

“…The occurrence of extrapair paternity (EPP) in socially monogamous species varies greatly among species and across latitudes. Recent work suggests that birds…”
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Hygric Niches for Tropical Endotherms by Boyle, W. Alice, Shogren, Elsie H., Brawn, Jeffrey D.

“…Biotic selective pressures dominate explanations for the evolutionary ecology of tropical endotherms. Yet, abiotic factors, principally precipitation regimes,…”
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Birds Defend Trees from Herbivores in a Neotropical Forest Canopy by Van Bael, Sunshine A., Brawn, Jeffrey D., Robinson, Scott K.

“…Most forest birds include arthropods in their diet, sometimes specializing on arthropods that consume plant foliage. Experimental tests of whether bird…”
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Heat tolerances of temperate and tropical birds and their implications for susceptibility to climate warming by Pollock, Henry S., Brawn, Jeffrey D., Cheviron, Zachary A., Williams, Tony

“…Characterizing heat tolerance is critical for predicting an organism's vulnerability to climate warming. Recent studies of ectotherms report that impacts of…”
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An inverse association between West Nile virus serostatus and avian malaria infection status by Medeiros, Matthew C I, Anderson, Tavis K, Higashiguchi, Jenni M, Kitron, Uriel D, Walker, Edward D, Brawn, Jeffrey D, Krebs, Bethany L, Ruiz, Marilyn O, Goldberg, Tony L, Ricklefs, Robert E, Hamer, Gabriel L

“…Various ecological and physiological mechanisms might influence the probability that two or more pathogens may simultaneously or sequentially infect a host…”
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Tracking the Long-Term Decline and Recovery of an Isolated Population by Westemeier, Ronald L., Brawn, Jeffrey D., Simpson, Scott A., Esker, Terry L., Jansen, Roger W., Walk, Jeffery W., Kershner, Eric L., Bouzat, Juan L., Paige, Ken N.

“…Effects of small population size and reduced genetic variation on the viability of wild animal populations remain controversial. During a 35-year study of a…”
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Rapid amplification of West Nile virus: the role of hatch-year birds by Hamer, Gabriel L, Walker, Edward D, Brawn, Jeffrey D, Loss, Scott R, Ruiz, Marilyn O, Goldberg, Tony L, Schotthoefer, Anna M, Brown, William M, Wheeler, Emily, Kitron, Uriel D

“…Epizootic transmission of West Nile virus (WNV) often intensifies rapidly leading to increasing risk of human infection, but the processes underlying…”
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Long-term monitoring reveals widespread and severe declines of understory birds in a protected Neotropical forest by Pollock, Henry S, Toms, Judith D, Tarwater, Corey E, Benson, Thomas J, Karr, James R, Brawn, Jeffrey D

“…Long-term studies on the population dynamics of tropical resident birds are few, and it remains poorly understood how their populations have fared in recent…”
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Corticosterone, testosterone and life-history strategies of birds by Hau, Michaela, Ricklefs, Robert E., Wikelski, Martin, Lee, Kelly A., Brawn, Jeffrey D.

“…Steroid hormones have similar functions across vertebrates, but circulating concentrations can vary dramatically among species. We examined the hypothesis that…”
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Long‐term monitoring reveals the long lifespans of Neotropical forest landbirds by Pollock, Henry S., Tarwater, Corey E., Karr, James R., Brawn, Jeffrey D.

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