Search Results - "Levesque, Danielle L."

Can we predict ectotherm responses to climate change using thermal performance curves and body temperatures? by Sinclair, Brent J., Marshall, Katie E., Sewell, Mary A., Levesque, Danielle L., Willett, Christopher S., Slotsbo, Stine, Dong, Yunwei, Harley, Christopher D. G., Marshall, David J., Helmuth, Brian S., Huey, Raymond B.

“…Thermal performance curves (TPCs), which quantify how an ectotherm's body temperature (Tb) affects its performance or fitness, are often used in an attempt to…”
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Ambient Temperature Cycles Affect Daily Torpor and Hibernation Patterns in Malagasy Tenrecs by Dausmann, Kathrin H., Levesque, Danielle L., Wein, Jens, Nowack, Julia

“…Hibernation and daily torpor (heterothermy) allow endotherms to cope with demanding environmental conditions. The depth and duration of torpor bouts vary…”
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Effects of reproductive status and high ambient temperatures on the body temperature of a free-ranging basoendotherm by Levesque, Danielle L., Lobban, Kerileigh D., Lovegrove, Barry G.

“…Tenrecs (Order Afrosoricida) exhibit some of the lowest body temperatures ( T b ) of any eutherian mammal. They also have a high level of variability in both…”
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An oversimplification of physiological principles leads to flawed macroecological analyses by Boyles, Justin G., Levesque, Danielle L., Nowack, Julia, Wojciechowski, Michał S., Stawski, Clare, Fuller, Andrea, Smit, Ben, Tattersall, Glenn J.

“…Macrophysiological analyses are useful to predict current and future range limits and improve our understanding of endotherm macroecology, but such analyses…”
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Seasonal torpor and normothermic energy metabolism in the Eastern chipmunk (Tamias striatus) by Levesque, Danielle L, Tattersall, Glenn J

“…To assess the changes in thermoregulatory characteristics that accompany the seasonal expression of torpor we measured seasonal differences in body mass…”
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Do endotherms have thermal performance curves? by Levesque, Danielle L, Marshall, Katie E

“…Temperature is an important environmental factor governing the ability of organisms to grow, survive and reproduce. Thermal performance curves (TPCs), with…”
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Rare and Opportunistic Use of Torpor in Mammals—An Echo from the Past? by Nowack, Julia, Stawski, Clare, Geiser, Fritz, Levesque, Danielle L

“…Synopsis Torpor was traditionally seen as a winter survival mechanism employed by animals living in cold and highly seasonal habitats. Although we now know…”
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Non-Torpid Heterothermy in Mammals: Another Category along the Homeothermy–Hibernation Continuum by Levesque, Danielle L, Breit, Ana M, Brown, Eric, Nowack, Julia, Welman, Shaun

“…Synopsis Variability in body temperature is now recognized to be widespread among whole-body endotherms with homeothermy being the exception rather than the…”
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Assessing responses to heat in a range-shifting, nocturnal, flying squirrel by Hensley, Vanessa R., Tan, Ek Han, Gagne, Emily, Levesque, Danielle L.

“…Over the last few decades North American flying squirrels (Glaucomys spp.) have experienced dramatic northward range shifts. Previous studies have focused on…”
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The upper limit of thermoneutrality is not indicative of thermotolerance in bats by Welman, Shaun, Breit, Ana M., Levesque, Danielle L., Nowack, Julia

“…To assess the vulnerability of birds and mammals to climate change recent studies have used the upper critical limit of thermoneutrality (TUC) as an indicator…”
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Mammal survival at the Cretaceous–Palaeogene boundary: metabolic homeostasis in prolonged tropical hibernation in tenrecs by Lovegrove, Barry G., Lobban, Kerileigh D., Levesque, Danielle L.

“…Free-ranging common tenrecs, Tenrec ecaudatus, from sub-tropical Madagascar, displayed long-term (nine months) hibernation which lacked any evidence of…”
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Variable Climates Lead to Varying Phenotypes: “Weird” Mammalian Torpor and Lessons From Non-Holarctic Species by Nowack, Julia, Levesque, Danielle L., Reher, Stephanie, Dausmann, Kathrin H.

“…Mammalian heterotherms, species that employ short or long periods of torpor, are found in many different climatic regions. Although the underlying…”
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Staying hot to fight the heat-high body temperatures accompany a diurnal endothermic lifestyle in the tropics by Levesque, Danielle L., Tuen, Andrew Alek, Lovegrove, Barry G.

“…Much of our knowledge of the thermoregulation of endotherms has been obtained from species inhabiting cold and temperate climates, our knowledge of the…”
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Daily Torpor in Birds and Mammals: Past, Present, and Future of the Field by Shankar, Anusha, Welch, Kenneth C, Eberts, Erich R, Geiser, Fritz, Halter, Shayne, Keicher, Lara, Levesque, Danielle L, Nowack, Julia, Wolf, Blair O, Wolfe, Sophia W

“…Synopsis Torpor is an incredibly efficient energy-saving strategy that many endothermic birds and mammals use to save energy by lowering their metabolic rates,…”
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Understanding Drivers of Variation and Predicting Variability Across Levels of Biological Organization by McEntire, Kira D, Gage, Matthew, Gawne, Richard, Hadfield, Michael G, Hulshof, Catherine, Johnson, Michele A, Levesque, Danielle L, Segura, Joan, Pinter-Wollman, Noa

“…Differences within a biological system are ubiquitous, creating variation in nature. Variation underlies all evolutionary processes and allows persistence and…”
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Small Tropical Mammals Can Take the Heat: High Upper Limits of Thermoneutrality in a Bornean Treeshrew by Thonis, Anna, Ceballos, Ruben Michael, Tuen, Andrew Alek, Lovegrove, Barry G, Levesque, Danielle L

“…Tropical ectotherms are generally believed to be more vulnerable to global heating than temperate species. Currently, however, we have insufficient knowledge…”
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Muted responses to heat in a nocturnal tropical rodent by Breit, Ana M., Kleinhause‐Goldman Gedalyahou, Tal, Ikhwan, Awang Khairul, Isaac, Marcellinus, Tuen, Andrew Alek, Levesque, Danielle L.

“…Abstract We measured the thermoregulatory characteristics of a common, tropical murid rodent, Sundamys muelleri . Subcutaneous body temperatures and…”
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Reporting guidelines for terrestrial respirometry: Building openness, transparency of metabolic rate and evaporative water loss data by Wu, Nicholas C., Alton, Lesley, Bovo, Rafael P., Carey, Nicholas, Currie, Shannon E., Lighton, John R.B., McKechnie, Andrew E., Pottier, Patrice, Rossi, Giulia, White, Craig R., Levesque, Danielle L.

“…Respirometry is an important tool for understanding whole-animal energy and water balance in relation to the environment. Consequently, the growing number of…”
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Increased homeothermy during reproduction in a basal placental mammal by Levesque, Danielle L, Lovegrove, Barry G

“…Homeothermic endothermy, the maintenance of a high and stable body temperature (Tb) using heat produced by elevated metabolism, is energetically expensive…”
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Activity analysis of thermal imaging videos using a difference imaging approach by Tattersall, Glenn J., Danner, Raymond M., Chaves, Jaime A., Levesque, Danielle L.

“…Infrared thermal imaging is a passive imaging technique that captures the emitted radiation from an object to estimate surface temperature, often for inference…”
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