Size matters: plasticity in metabolic scaling shows body-size may modulate responses to climate change
Variability in metabolic scaling in animals, the relationship between metabolic rate (R) and body mass (M), has been a source of debate and controversy for decades. R is proportional to M-b, the precise value of b much debated, but historically considered equal in all organisms. Recent metabolic the...
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ftqueensubelpubl:oai:pure.qub.ac.uk/portal:publications/6b276f8e-123b-4ecc-a864-76078885ce22 2023-05-15T17:50:00+02:00 Size matters: plasticity in metabolic scaling shows body-size may modulate responses to climate change Carey, Nicholas Sigwart, Julia D. 2014-08 https://pure.qub.ac.uk/en/publications/size-matters-plasticity-in-metabolic-scaling-shows-bodysize-may-modulate-responses-to-climate-change(6b276f8e-123b-4ecc-a864-76078885ce22).html https://doi.org/10.1098/rsbl.2014.0408 eng eng info:eu-repo/semantics/restrictedAccess Carey , N & Sigwart , J D 2014 , ' Size matters: plasticity in metabolic scaling shows body-size may modulate responses to climate change ' , Biology Letters , vol. 10 , no. 8 , 20140408 . https://doi.org/10.1098/rsbl.2014.0408 metabolic scaling ocean acidification ecophysiology metabolic allometry MLB hypothesis ACIDIFICATION ECTOTHERMS OCEAN /dk/atira/pure/sustainabledevelopmentgoals/climate_action SDG 13 - Climate Action /dk/atira/pure/sustainabledevelopmentgoals/life_below_water SDG 14 - Life Below Water article 2014 ftqueensubelpubl https://doi.org/10.1098/rsbl.2014.0408 2022-02-09T22:15:28Z Variability in metabolic scaling in animals, the relationship between metabolic rate (R) and body mass (M), has been a source of debate and controversy for decades. R is proportional to M-b, the precise value of b much debated, but historically considered equal in all organisms. Recent metabolic theory, however, predicts b to vary among species with ecology and metabolic level, and may also vary within species under different abiotic conditions. Under climate change, most species will experience increased temperatures, and marine organisms will experience the additional stressor of decreased seawater pH ('ocean acidification'). Responses to these environmental changes are modulated by myriad species-specific factors. Body-size is a fundamental biological parameter, but its modulating role is relatively unexplored. Here, we show that changes to metabolic scaling reveal asymmetric responses to stressors across body-size ranges; b is systematically decreased under increasing temperature in three grazing molluscs, indicating smaller individuals were more responsive to warming. Larger individuals were, however, more responsive to reduced seawater pH in low temperatures. These alterations to the allometry of metabolism highlight abiotic control of metabolic scaling, and indicate that responses to climate warming and ocean acidification may be modulated by body-size. Article in Journal/Newspaper Ocean acidification Queen's University Belfast Research Portal Biology Letters 10 8 20140408 |
institution |
Open Polar |
collection |
Queen's University Belfast Research Portal |
op_collection_id |
ftqueensubelpubl |
language |
English |
topic |
metabolic scaling ocean acidification ecophysiology metabolic allometry MLB hypothesis ACIDIFICATION ECTOTHERMS OCEAN /dk/atira/pure/sustainabledevelopmentgoals/climate_action SDG 13 - Climate Action /dk/atira/pure/sustainabledevelopmentgoals/life_below_water SDG 14 - Life Below Water |
spellingShingle |
metabolic scaling ocean acidification ecophysiology metabolic allometry MLB hypothesis ACIDIFICATION ECTOTHERMS OCEAN /dk/atira/pure/sustainabledevelopmentgoals/climate_action SDG 13 - Climate Action /dk/atira/pure/sustainabledevelopmentgoals/life_below_water SDG 14 - Life Below Water Carey, Nicholas Sigwart, Julia D. Size matters: plasticity in metabolic scaling shows body-size may modulate responses to climate change |
topic_facet |
metabolic scaling ocean acidification ecophysiology metabolic allometry MLB hypothesis ACIDIFICATION ECTOTHERMS OCEAN /dk/atira/pure/sustainabledevelopmentgoals/climate_action SDG 13 - Climate Action /dk/atira/pure/sustainabledevelopmentgoals/life_below_water SDG 14 - Life Below Water |
description |
Variability in metabolic scaling in animals, the relationship between metabolic rate (R) and body mass (M), has been a source of debate and controversy for decades. R is proportional to M-b, the precise value of b much debated, but historically considered equal in all organisms. Recent metabolic theory, however, predicts b to vary among species with ecology and metabolic level, and may also vary within species under different abiotic conditions. Under climate change, most species will experience increased temperatures, and marine organisms will experience the additional stressor of decreased seawater pH ('ocean acidification'). Responses to these environmental changes are modulated by myriad species-specific factors. Body-size is a fundamental biological parameter, but its modulating role is relatively unexplored. Here, we show that changes to metabolic scaling reveal asymmetric responses to stressors across body-size ranges; b is systematically decreased under increasing temperature in three grazing molluscs, indicating smaller individuals were more responsive to warming. Larger individuals were, however, more responsive to reduced seawater pH in low temperatures. These alterations to the allometry of metabolism highlight abiotic control of metabolic scaling, and indicate that responses to climate warming and ocean acidification may be modulated by body-size. |
format |
Article in Journal/Newspaper |
author |
Carey, Nicholas Sigwart, Julia D. |
author_facet |
Carey, Nicholas Sigwart, Julia D. |
author_sort |
Carey, Nicholas |
title |
Size matters: plasticity in metabolic scaling shows body-size may modulate responses to climate change |
title_short |
Size matters: plasticity in metabolic scaling shows body-size may modulate responses to climate change |
title_full |
Size matters: plasticity in metabolic scaling shows body-size may modulate responses to climate change |
title_fullStr |
Size matters: plasticity in metabolic scaling shows body-size may modulate responses to climate change |
title_full_unstemmed |
Size matters: plasticity in metabolic scaling shows body-size may modulate responses to climate change |
title_sort |
size matters: plasticity in metabolic scaling shows body-size may modulate responses to climate change |
publishDate |
2014 |
url |
https://pure.qub.ac.uk/en/publications/size-matters-plasticity-in-metabolic-scaling-shows-bodysize-may-modulate-responses-to-climate-change(6b276f8e-123b-4ecc-a864-76078885ce22).html https://doi.org/10.1098/rsbl.2014.0408 |
genre |
Ocean acidification |
genre_facet |
Ocean acidification |
op_source |
Carey , N & Sigwart , J D 2014 , ' Size matters: plasticity in metabolic scaling shows body-size may modulate responses to climate change ' , Biology Letters , vol. 10 , no. 8 , 20140408 . https://doi.org/10.1098/rsbl.2014.0408 |
op_rights |
info:eu-repo/semantics/restrictedAccess |
op_doi |
https://doi.org/10.1098/rsbl.2014.0408 |
container_title |
Biology Letters |
container_volume |
10 |
container_issue |
8 |
container_start_page |
20140408 |
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1766156561126785024 |