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Coping styles in capital breeders modulate behavioural trade-offs in time allocation: assessing fine-scale activity budgets in lactating grey seals (Halichoerus grypus) using accelerometry and heart rate variability

Research output: Contribution to journalArticlepeer-review

Standard

Coping styles in capital breeders modulate behavioural trade-offs in time allocation : assessing fine-scale activity budgets in lactating grey seals (Halichoerus grypus) using accelerometry and heart rate variability. / Schuert, Courtney; Pomeroy, Patrick; Twiss, Sean.

In: Behavioral Ecology and Sociobiology, Vol. 74, 8, 01.2020.

Research output: Contribution to journalArticlepeer-review

Harvard

Schuert, C, Pomeroy, P & Twiss, S 2020, 'Coping styles in capital breeders modulate behavioural trade-offs in time allocation: assessing fine-scale activity budgets in lactating grey seals (Halichoerus grypus) using accelerometry and heart rate variability', Behavioral Ecology and Sociobiology, vol. 74, 8. https://doi.org/10.1007/s00265-019-2783-8

APA

Schuert, C., Pomeroy, P., & Twiss, S. (2020). Coping styles in capital breeders modulate behavioural trade-offs in time allocation: assessing fine-scale activity budgets in lactating grey seals (Halichoerus grypus) using accelerometry and heart rate variability. Behavioral Ecology and Sociobiology, 74, [8]. https://doi.org/10.1007/s00265-019-2783-8

Vancouver

Schuert C, Pomeroy P, Twiss S. Coping styles in capital breeders modulate behavioural trade-offs in time allocation: assessing fine-scale activity budgets in lactating grey seals (Halichoerus grypus) using accelerometry and heart rate variability. Behavioral Ecology and Sociobiology. 2020 Jan;74. 8. https://doi.org/10.1007/s00265-019-2783-8

Author

Schuert, Courtney ; Pomeroy, Patrick ; Twiss, Sean. / Coping styles in capital breeders modulate behavioural trade-offs in time allocation : assessing fine-scale activity budgets in lactating grey seals (Halichoerus grypus) using accelerometry and heart rate variability. In: Behavioral Ecology and Sociobiology. 2020 ; Vol. 74.

Bibtex - Download

@article{447a24f421404b49879b086014a57233,
title = "Coping styles in capital breeders modulate behavioural trade-offs in time allocation: assessing fine-scale activity budgets in lactating grey seals (Halichoerus grypus) using accelerometry and heart rate variability",
abstract = "Balancing time allocation among competing behaviours is an essential part of energy management for all animals. However, trade-offs in time allocation may vary according to the sex of the individual, their age, and even underlying physiology. During reproduction, higher energetic demands and constrained internal resources place greater demand on optimizing these trade-offs insofar that small adjustments in time-activity may lead to substantial effects on an individual{\textquoteright}s limited energy budget. The most extreme case is found in animals that undergo capital breeding, where individuals fast for the duration of each reproductive episode. We investigated potential underlying drivers of time-activity and describe aspects of trade-offs in time-activity in a wild, capital breeding pinniped, the grey seal Halichoerus grypus, during the lactation period. For the first time, we were able to access full 24-h activity budgets across the core duration of lactation as well as characterize how aspects of stress-coping styles influence time allocation through the use of animal-borne accelerometers and heart rate monitors in situ. We found that there was a distinct trade-off in time activity between time spent Resting and Alert (vigilance). This trade-off varied with the pup{\textquoteright}s development, date, and maternal stress-coping style as indicated by a measure of heart rate variability, rMSSD. In contrast, time spent Presenting/Nursing did not vary across the duration of lactation given the variables tested. We suggest that while mothers balance time spent conserving resources (Resting) against time expending energy (Alert), they are also influenced by the inherent physiological drivers of stress-coping styles.",
keywords = "Maternal behaviour, Time-activity allocation, Heart rate variability, Pinniped, Lactation, Stress-coping styles",
author = "Courtney Schuert and Patrick Pomeroy and Sean Twiss",
note = "Funding: National Environmental Research Council long term funding to the Sea Mammal Research Unit at the University of St. Andrews (PPP, project title:“SMRU Long-term measurement of marine mammal population structure, dynamics and trophic interactions”, grant reference SMRU1001).",
year = "2020",
month = jan,
doi = "10.1007/s00265-019-2783-8",
language = "English",
volume = "74",
journal = "Behavioral Ecology and Sociobiology",
issn = "0340-5443",
publisher = "Springer",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Coping styles in capital breeders modulate behavioural trade-offs in time allocation

T2 - assessing fine-scale activity budgets in lactating grey seals (Halichoerus grypus) using accelerometry and heart rate variability

AU - Schuert, Courtney

AU - Pomeroy, Patrick

AU - Twiss, Sean

N1 - Funding: National Environmental Research Council long term funding to the Sea Mammal Research Unit at the University of St. Andrews (PPP, project title:“SMRU Long-term measurement of marine mammal population structure, dynamics and trophic interactions”, grant reference SMRU1001).

PY - 2020/1

Y1 - 2020/1

N2 - Balancing time allocation among competing behaviours is an essential part of energy management for all animals. However, trade-offs in time allocation may vary according to the sex of the individual, their age, and even underlying physiology. During reproduction, higher energetic demands and constrained internal resources place greater demand on optimizing these trade-offs insofar that small adjustments in time-activity may lead to substantial effects on an individual’s limited energy budget. The most extreme case is found in animals that undergo capital breeding, where individuals fast for the duration of each reproductive episode. We investigated potential underlying drivers of time-activity and describe aspects of trade-offs in time-activity in a wild, capital breeding pinniped, the grey seal Halichoerus grypus, during the lactation period. For the first time, we were able to access full 24-h activity budgets across the core duration of lactation as well as characterize how aspects of stress-coping styles influence time allocation through the use of animal-borne accelerometers and heart rate monitors in situ. We found that there was a distinct trade-off in time activity between time spent Resting and Alert (vigilance). This trade-off varied with the pup’s development, date, and maternal stress-coping style as indicated by a measure of heart rate variability, rMSSD. In contrast, time spent Presenting/Nursing did not vary across the duration of lactation given the variables tested. We suggest that while mothers balance time spent conserving resources (Resting) against time expending energy (Alert), they are also influenced by the inherent physiological drivers of stress-coping styles.

AB - Balancing time allocation among competing behaviours is an essential part of energy management for all animals. However, trade-offs in time allocation may vary according to the sex of the individual, their age, and even underlying physiology. During reproduction, higher energetic demands and constrained internal resources place greater demand on optimizing these trade-offs insofar that small adjustments in time-activity may lead to substantial effects on an individual’s limited energy budget. The most extreme case is found in animals that undergo capital breeding, where individuals fast for the duration of each reproductive episode. We investigated potential underlying drivers of time-activity and describe aspects of trade-offs in time-activity in a wild, capital breeding pinniped, the grey seal Halichoerus grypus, during the lactation period. For the first time, we were able to access full 24-h activity budgets across the core duration of lactation as well as characterize how aspects of stress-coping styles influence time allocation through the use of animal-borne accelerometers and heart rate monitors in situ. We found that there was a distinct trade-off in time activity between time spent Resting and Alert (vigilance). This trade-off varied with the pup’s development, date, and maternal stress-coping style as indicated by a measure of heart rate variability, rMSSD. In contrast, time spent Presenting/Nursing did not vary across the duration of lactation given the variables tested. We suggest that while mothers balance time spent conserving resources (Resting) against time expending energy (Alert), they are also influenced by the inherent physiological drivers of stress-coping styles.

KW - Maternal behaviour

KW - Time-activity allocation

KW - Heart rate variability

KW - Pinniped

KW - Lactation

KW - Stress-coping styles

U2 - 10.1007/s00265-019-2783-8

DO - 10.1007/s00265-019-2783-8

M3 - Article

VL - 74

JO - Behavioral Ecology and Sociobiology

JF - Behavioral Ecology and Sociobiology

SN - 0340-5443

M1 - 8

ER -

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