Search Results - "WINGFIELD, JOHN C"

Ecological processes and the ecology of stress: the impacts of abiotic environmental factors by Wingfield, John C.

“…1. Rapid, effective and enduring responses of physiology and behaviour to perturbations of the environment are key to robustness of an organism (ability to…”
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Importance of the glucocorticoid stress response in a changing world: Theory, hypotheses and perspectives by Angelier, Frédéric, Wingfield, John C

“…Highlights • The glucocorticoid stress response (GCSR) promotes homeostasis. • Global change is associated with changes in the regime of stressors. • Global…”
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Organization of vertebrate annual cycles: implications for control mechanisms by Wingfield, John C

“…The majority of vertebrates have a life span of greater than one year. Therefore individuals must be able to adapt to the annual cycle of changing conditions…”
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What is in a name? Integrating homeostasis, allostasis and stress by McEwen, Bruce S., Wingfield, John C.

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Actions of glucocorticoids at a seasonal baseline as compared to stress-related levels in the regulation of periodic life processes by Landys, Mėta M., Ramenofsky, Marilyn, Wingfield, John C.

“…For decades, demands associated with the predictable life-history cycle have been considered stressful and have not been distinguished from stress that occurs…”
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Physiological regulatory networks: ecological roles and evolutionary constraints by Cohen, Alan A., Martin, Lynn B., Wingfield, John C., McWilliams, Scott R., Dunne, Jennifer A.

“…Ecological and evolutionary physiology has traditionally focused on one aspect of physiology at a time. Here, we discuss the implications of considering…”
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Biological Clocks and Regulation of Seasonal Reproduction and Migration in Birds by Kumar, Vinod, Wingfield, John C., Dawson, Alistair, Ramenofsky, Marilyn, Rani, Sangeeta, Bartell, Paul

“…Timekeeping is important at two levels: to time changes in physiology and behavior within each day and within each year. For the former, birds have a system of…”
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Stress Response and the Value of Reproduction: Are Birds Prudent Parents? by Bókony, Veronika, Lendvai, Ádám Z., Liker, András, Angelier, Frédéric, Wingfield, John C., Chastel, Olivier

“…In vertebrates, stressors such as starvation or predator attacks stimulate the rapid elevation of circulating glucocorticoid hormones, triggering physiological…”
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Urban birds have broader environmental tolerance by Bonier, Frances, Martin, Paul R, Wingfield, John C

“…Urbanization dramatically changes the composition and diversity of biotic communities. The characteristics distinguishing species that persist in urban…”
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Regulatory Mechanisms that Underlie Phenology, Behavior, and Coping with Environmental Perturbations: An Alternative Look at Biodiversity by Wingfield, John C

“…In vertebrates these responses involve perception of the environment through sensory mechanisms, neural transduction within the central nervous system, and…”
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Distinguishing seasonal androgen responses from male–male androgen responsiveness—Revisiting the Challenge Hypothesis by Goymann, Wolfgang, Landys, Meta M., Wingfield, John C.

“…Androgen levels show strong patterns throughout the year in male vertebrates and play an important role in the seasonal modulation of the frequency, intensity…”
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The concept of allostasis in biology and biomedicine by McEwen, Bruce S, Wingfield, John C

“…Living organisms have regular patterns and routines that involve obtaining food and carrying out life history stages such as breeding, migrating, molting, and…”
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Allostatic load, social status and stress hormones: the costs of social status matter by Goymann, Wolfgang, Wingfield, John C

“…Cooperation and social support are the major advantages of living in social groups. However, there are also disadvantages arising from social conflict and…”
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Daily, circadian and seasonal changes of rhodopsin-like encephalic photoreceptor and its involvement in mediating photoperiodic responses of Gambel’s white-crowned Sparrow, Zonotrichia leucophrys gambelii by Zhao, Hongfeng, Jiang, Junxia, Wang, Gang, Le, Chong, Wingfield, John C.

“…•Rhodopsin-ir cells were detected in both PVN and MBH.•Signals of rhodopsin-ir varied on daily, circadian and seasonal bases.•Seasonal differences were found…”
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Hormonal correlates of individual quality in a long-lived bird: a test of the ‘corticosterone–fitness hypothesis’ by Angelier, Frédéric, Wingfield, John C., Weimerskirch, Henri, Chastel, Olivier

“…Measuring individual quality in vertebrates is difficult. Focusing on allostasis mechanisms may be useful because they are functionally involved in the ability…”
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The Darwinian concept of stress: benefits of allostasis and costs of allostatic load and the trade-offs in health and disease by Korte, S. Mechiel, Koolhaas, Jaap M., Wingfield, John C., McEwen, Bruce S.

“…Why do we get the stress-related diseases we do? Why do some people have flare ups of autoimmune disease, whereas others suffer from melancholic depression…”
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Integrating orientation mechanisms, adrenocortical activity, and endurance flight in vagrancy behaviour by Snell, Katherine R. S., Young, Rebecca C., Krause, Jesse S., Collinson, J. Martin, Wingfield, John C., Thorup, Kasper

“…Avian migratory processes are typically precisely oriented, yet vagrants are frequently recorded outside their normal range. Wind displaced vagrants often show…”
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Experimental chronic noise is related to elevated fecal corticosteroid metabolites in lekking male greater Sage-Grouse (Centrocercus urophasianus) by Blickley, Jessica L, Word, Karen R, Krakauer, Alan H, Phillips, Jennifer L, Sells, Sarah N, Taff, Conor C, Wingfield, John C, Patricelli, Gail L

“…There is increasing evidence that individuals in many species avoid areas exposed to chronic anthropogenic noise, but the impact of noise on those who remain…”
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Evidence for a navigational map stretching across the continental U.S. in a migratory songbird by Thorup, Kasper, Bisson, Isabelle-A, Bowlin, Melissa S, Holland, Richard A, Wingfield, John C, Ramenofsky, Marilyn, Wikelski, Martin

“…Billions of songbirds migrate several thousand kilometers from breeding to wintering grounds and are challenged with crossing ecological barriers and facing…”
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RNA interference of gonadotropin-inhibitory hormone gene induces arousal in songbirds by Ubuka, Takayoshi, Mukai, Motoko, Wolfe, Jordan, Beverly, Ryan, Clegg, Sarah, Wang, Ariel, Hsia, Serena, Li, Molly, Krause, Jesse S, Mizuno, Takanobu, Fukuda, Yujiro, Tsutsui, Kazuyoshi, Bentley, George E, Wingfield, John C

“…Gonadotropin-inhibitory hormone (GnIH) was originally identified in quail as a hypothalamic neuropeptide inhibitor of pituitary gonadotropin synthesis and…”
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