Lightscapes of fear: How mesopredators balance starvation and predation in the open ocean

Research output: Contribution to journal › Journal article › Research › peer-review

Standard

Lightscapes of fear : How mesopredators balance starvation and predation in the open ocean. / Beltran, Roxanne S; Kendall-Bar, Jessica M; Pirotta, Enrico; Adachi, Taiki; Naito, Yasuhiko; Takahashi, Akinori; Cremers, Jolien; Robinson, Patrick W; Crocker, Daniel E; Costa, Daniel P.

In: Science Advances, Vol. 7, No. 12, 03.2021.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Beltran, RS, Kendall-Bar, JM, Pirotta, E, Adachi, T, Naito, Y, Takahashi, A, Cremers, J, Robinson, PW, Crocker, DE & Costa, DP 2021, 'Lightscapes of fear: How mesopredators balance starvation and predation in the open ocean', Science Advances, vol. 7, no. 12. https://doi.org/10.1126/sciadv.abd9818

APA

Beltran, R. S., Kendall-Bar, J. M., Pirotta, E., Adachi, T., Naito, Y., Takahashi, A., Cremers, J., Robinson, P. W., Crocker, D. E., & Costa, D. P. (2021). Lightscapes of fear: How mesopredators balance starvation and predation in the open ocean. Science Advances, 7(12). https://doi.org/10.1126/sciadv.abd9818

Vancouver

Beltran RS, Kendall-Bar JM, Pirotta E, Adachi T, Naito Y, Takahashi A et al. Lightscapes of fear: How mesopredators balance starvation and predation in the open ocean. Science Advances. 2021 Mar;7(12). https://doi.org/10.1126/sciadv.abd9818

Author

Beltran, Roxanne S ; Kendall-Bar, Jessica M ; Pirotta, Enrico ; Adachi, Taiki ; Naito, Yasuhiko ; Takahashi, Akinori ; Cremers, Jolien ; Robinson, Patrick W ; Crocker, Daniel E ; Costa, Daniel P. / Lightscapes of fear : How mesopredators balance starvation and predation in the open ocean. In: Science Advances. 2021 ; Vol. 7, No. 12.

Bibtex

@article{a08919bbbb7e4c6e9db5a8eadd595f08,
title = "Lightscapes of fear: How mesopredators balance starvation and predation in the open ocean",
abstract = "Like landscapes of fear, animals are hypothesized to strategically use lightscapes based on intrinsic motivations. However, longitudinal evidence of state-dependent risk aversion has been difficult to obtain in wild animals. Using high-resolution biologgers, we continuously measured body condition, time partitioning, three-dimensional movement, and risk exposure of 71 elephant seals throughout their 7-month foraging migrations (N = 16,000 seal days). As body condition improved from 21 to 32% fat and daylength declined from 16 to 10 hours, seals rested progressively earlier with respect to sunrise, sacrificing valuable nocturnal foraging hours to rest in the safety of darkness. Seals in superior body condition prioritized safety over energy conservation by resting >100 meters deeper where it was 300× darker. Together, these results provide empirical evidence that marine mammals actively use the three-dimensional lightscape to optimize risk-reward trade-offs based on ecological and physiological factors.",
author = "Beltran, {Roxanne S} and Kendall-Bar, {Jessica M} and Enrico Pirotta and Taiki Adachi and Yasuhiko Naito and Akinori Takahashi and Jolien Cremers and Robinson, {Patrick W} and Crocker, {Daniel E} and Costa, {Daniel P}",
note = "Copyright {\textcopyright} 2021 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).",
year = "2021",
month = mar,
doi = "10.1126/sciadv.abd9818",
language = "English",
volume = "7",
journal = "Science advances",
issn = "2375-2548",
publisher = "American Association for the Advancement of Science",
number = "12",

}

RIS

TY - JOUR

T1 - Lightscapes of fear

T2 - How mesopredators balance starvation and predation in the open ocean

AU - Beltran, Roxanne S

AU - Kendall-Bar, Jessica M

AU - Pirotta, Enrico

AU - Adachi, Taiki

AU - Naito, Yasuhiko

AU - Takahashi, Akinori

AU - Cremers, Jolien

AU - Robinson, Patrick W

AU - Crocker, Daniel E

AU - Costa, Daniel P

N1 - Copyright © 2021 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

PY - 2021/3

Y1 - 2021/3

N2 - Like landscapes of fear, animals are hypothesized to strategically use lightscapes based on intrinsic motivations. However, longitudinal evidence of state-dependent risk aversion has been difficult to obtain in wild animals. Using high-resolution biologgers, we continuously measured body condition, time partitioning, three-dimensional movement, and risk exposure of 71 elephant seals throughout their 7-month foraging migrations (N = 16,000 seal days). As body condition improved from 21 to 32% fat and daylength declined from 16 to 10 hours, seals rested progressively earlier with respect to sunrise, sacrificing valuable nocturnal foraging hours to rest in the safety of darkness. Seals in superior body condition prioritized safety over energy conservation by resting >100 meters deeper where it was 300× darker. Together, these results provide empirical evidence that marine mammals actively use the three-dimensional lightscape to optimize risk-reward trade-offs based on ecological and physiological factors.

AB - Like landscapes of fear, animals are hypothesized to strategically use lightscapes based on intrinsic motivations. However, longitudinal evidence of state-dependent risk aversion has been difficult to obtain in wild animals. Using high-resolution biologgers, we continuously measured body condition, time partitioning, three-dimensional movement, and risk exposure of 71 elephant seals throughout their 7-month foraging migrations (N = 16,000 seal days). As body condition improved from 21 to 32% fat and daylength declined from 16 to 10 hours, seals rested progressively earlier with respect to sunrise, sacrificing valuable nocturnal foraging hours to rest in the safety of darkness. Seals in superior body condition prioritized safety over energy conservation by resting >100 meters deeper where it was 300× darker. Together, these results provide empirical evidence that marine mammals actively use the three-dimensional lightscape to optimize risk-reward trade-offs based on ecological and physiological factors.

U2 - 10.1126/sciadv.abd9818

DO - 10.1126/sciadv.abd9818

M3 - Journal article

C2 - 33731347

VL - 7

JO - Science advances

JF - Science advances

SN - 2375-2548

IS - 12

ER -

ID: 258887659