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Keywords: Energetics
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Journal Articles
J Exp Biol jeb.243548.
Published: 12 January 2022
... the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/4.0 ), which permits unrestricted use, distribution and reproduction in any medium provided that the original work is properly attributed. Energetics Physiology Seabirds Thyroid Biologging Accelerometry...
Journal Articles
J Exp Biol jeb.243121.
Published: 11 January 2022
...Austin S. Allen; Andrew J. Read; K. Alex Shorter; Joaquin Gabaldon; Ashley M. Blawas; Julie Rocho-Levine; Andreas Fahlman Estimates of the energetic costs of locomotion (COL) at different activity levels are necessary to answer fundamental eco-physiological questions and to understand the impacts...
Journal Articles
J Exp Biol (2021) 224 (23): jeb242993.
Published: 09 December 2021
... resulted in walruses hauling out on land where they have to travel farther to access productive benthic habitat while potentially increasing energetic costs. Despite the need to better understand the impact of sea ice loss on energy expenditure, knowledge about metabolic demands of specific behaviours...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (22): jeb243040.
Published: 16 November 2021
... or financial interests. 17 6 2021 18 10 2021 © 2021. Published by The Company of Biologists Ltd 2021 Highlighted Article: Differences in the mechanics and energetics of walking suggest that children cannot be simply modeled as scaled-down versions of adults. Child...
Journal Articles
J Exp Biol (2021) 224 (15): jeb242218.
Published: 05 August 2021
...Rebecca Rimbach; Ahmad Amireh; Austin Allen; Brian Hare; Emily Guarino; Chana Kaufman; Hannah Salomons; Herman Pontzer ABSTRACT Marine mammals are thought to have an energetically expensive lifestyle because endothermy is costly in marine environments. However, measurements of total energy...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (13): jeb234567.
Published: 05 July 2021
... of difficulty and velocity. Here, we assessed the effects of velocity, route difficulty and anatomical variation on the energetic cost of climbing within humans. Twelve experienced rock climbers climbed on an indoor wall over a range of difficulty levels and velocities, with energy expenditure measured via...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (8): jeb235846.
Published: 26 April 2021
... accompanying reproduction remains equivocal. In fact, many studies have found no difference in DEE between reproducing and non-reproducing females. One of the hypotheses explaining the lack of difference is the concept of an ‘energetic ceiling’. However, it is unclear whether the lack of increase in energy...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (8): jeb238832.
Published: 16 April 2021
... declare no competing or financial interests. 5 10 2020 17 2 2021 © 2021. Published by The Company of Biologists Ltd 2021 Summary: Experiments demonstrate that tool type, nest-substrate presence and speed all affect the energetics of avian egg puncture in a naturalistic setting...
Journal Articles
J Exp Biol (2021) 224 (6): jeb241083.
Published: 30 March 2021
..., increasing the risk of encounters on shared landscapes. Energetics Ursus arctos , GPS Movement ecology Locomotion Greater Yellowstone Ecosystem Energy is a limiting factor for many species of wildlife ( Parker et al., 1984 ; Shepard et al., 2013 ). Because daily and seasonal movements...
Journal Articles
J Exp Biol (2020) 223 (23): jeb216119.
Published: 04 December 2020
.../ Summary: In humans, carrying loads on the swinging arms is as costly as carrying loads at the waist, despite the expectation that swinging a mass about a limb should be much more costly. Arm swing Metabolic cost Energetics Locomotion Biomechanics It is quite common for animals to carry...
Journal Articles
J Exp Biol (2020) 223 (22): jeb233072.
Published: 19 November 2020
... Summary: Presentation of a method for the quantification of O 2 respiration rate in the tardigrades Richtersius coronifer and Macrobiotus macrocalix using microrespirometry. Energetics O 2 respiration rate Metabolism Tardigrada Semi-terrestrial and tidal tardigrades have attracted...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (16): jeb222703.
Published: 24 August 2020
... shape). First, we investigated whether a behavioral choice could explain the shells used in sites with different wave action. Then, we experimentally tested whether the shells most frequently used in sites with different wave action reduce the energetic cost of coping with water flow. Metabolic rate...
Journal Articles
J Exp Biol (2020) 223 (5): jeb219378.
Published: 06 March 2020
... temperature rise with the heat. Water loss Metabolism Energetics Thermal tolerance Pseudocheiridae Climate change As the world's climates warm, heatwaves are predicted to increase in intensity, frequency and duration ( Cowan et al., 2014 ; IPCC, 2013 ; Meehl and Tebaldi, 2004 ). Although...
Journal Articles
J Exp Biol (2019) 222 (24): jeb198226.
Published: 18 December 2019
.... Finning behaviors had significantly lower estimates of specific acceleration (ODBA values), suggesting that movement preferences may also be related to energetic cost. The finning and flapping gaits were not likely substantially different from those observed in other squid species ( Anderson and Demont...
Journal Articles
J Exp Biol (2019) 222 (24): jeb208504.
Published: 12 December 2019
... but that they might mobilize fat stores at the onset of the breeding season to satisfy the energetic demands of reproduction and/or to decrease costs associated with larger fat stores, such as increased predation risk. 6 6 2019 7 11 2019 © 2019. Published by The Company of Biologists Ltd 2019...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (21): jeb212563.
Published: 08 November 2019
..., the most energetically expensive mode of locomotion. As uninsulated appendages, bird bills present a potential avenue for efficient heat dissipation. Puffins possess large bills and are members of the bird family with the highest known flight cost. Here, we used infrared thermography to test whether wild...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (17): jeb210534.
Published: 09 September 2019
..., growth rate and energetic reserves drive the outcome of a viral disease affecting an ecologically relevant model host, the Pacific oyster, Crassostrea gigas . We selected fast- and slow-growing animals, and we exposed them to high and low food rations. We evaluated their energetic reserves, challenged...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (10): jeb202390.
Published: 21 May 2019
... energetically efficient behavioral adjustments and water conservation strategies. Although terrapins possess lachrymal salt glands, they are still dependent on periodic access to freshwater or low salinity water in order to maintain osmotic balance and cannot survive in seawater indefinitely. This aspect...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (23): jeb185827.
Published: 06 December 2018
... mammals, and yet they live in cold, high-latitude waters where their high surface-to-volume ratio suggests high FMRs to stay warm. However, published FMR estimates of harbour porpoises are contradictory, with some studies claiming high FMRs and others concluding that the energetic requirements...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (18): jeb184218.
Published: 24 September 2018
...://www.biologists.com/user-licence-1-1/ Highlighted Article: The rate of force production and active leg muscle volume can almost completely account for the metabolic cost of human running. Energetics Locomotion Running economy Biomechanics Zuntz (1897) was the first to quantify...