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Data from: Metabolic costs imposed by hydrostatic pressure constrain bathymetric range in the lithodid crab Lithodes maja

Data from: Metabolic costs imposed by hydrostatic pressure constrain bathymetric range in the lithodid crab Lithodes maja
Data from: Metabolic costs imposed by hydrostatic pressure constrain bathymetric range in the lithodid crab Lithodes maja
Changing climate is shifting the distributions of marine species, yet the potential for shifts in depth distributions is virtually unexplored. Hydrostatic pressure is proposed to contribute to a physiological bottleneck constraining depth range extension in shallow-water taxa. However, bathymetric limitation by hydrostatic pressure remains undemonstrated, and the mechanism limiting hyperbaric tolerance remains hypothetical. Here, we assess the effects of hydrostatic pressure in the lithodid crab Lithodes maja (bathymetric range 4-790 m depth, approximately equivalent to 0.1 to 7.9 MPa hydrostatic pressure). Heart rate decreased with increasing hydrostatic pressure, and was significantly lower at ≥10.0 MPa than at 0.1 MPa. Oxygen consumption increased with increasing hydrostatic pressure to 12.5 MPa, before decreasing as hydrostatic pressure increased to 20.0 MPa: oxygen consumption was significantly higher at 7.5-17.5 MPa than at 0.1 MPa. Increases in expression of genes associated with neurotransmission, metabolism and stress were observed between 7.5 and 12.5 MPa. We suggest that hyperbaric tolerance in L. maja may be oxygen-limited by hyperbaric effects on heart rate and metabolic rate, but that L. maja’s bathymetric range is limited by metabolic costs imposed by the effects of high hydrostatic pressure. These results advocate including hydrostatic pressure in a complex model of environmental tolerance, where energy-limitation constrains biogeographic range, and facilitate incorporating hydrostatic pressure into the broader metabolic framework for ecology and evolution. Such an approach is crucial for accurately projecting biogeographic responses to changing climate, and for understanding the ecology and evolution of life at depth.,Acute hyperbaric tolerance heart rate and molar oxygen consumption dataAcute hyperbaric tolerance mass-normalised heart rate and mass-normalised mass-specific molar oxygen consumption.Brown&al._J_Exp_Biol_17_acute_hyperbaric_tolerance.xlsxSustained hyperbaric tolerance heart rate and molar oxygen consumption dataSustained hyperbaric tolerance mass-normalised heart rate and mass-normalised mass-specific molar oxygen consumption.Brown&al._J_Exp_Biol_17_sustained_hyperbaric_tolerance.xlsx,
Heart rate, Respiration rate, Biogeographic range limitation, Hyperbaric physiology, Lithodes maja, Metabolic theory, Hydrostatic pressure
DRYAD
Brown, Alastair
909f34db-bc9c-403f-ba8f-31aee1c00161
Thatje, Sven
f1011fe3-1048-40c0-97c1-e93b796e6533
Morris, James P.
7060ae12-d0fd-41a5-89df-83870b59be31
Oliphant, Andrew
a080aa80-9deb-4e70-aadb-7c0b02600735
Morgan, Elizabeth A.
788032a6-1607-4f2e-95a6-74260a6bcddb
Hauton, Christopher
7706f6ba-4497-42b2-8c6d-00df81676331
Jones, Daniel O. B.
44fc07b3-5fb7-4bf5-9cec-78c78022613a
Pond, David W.
0c83d1f3-f262-4ab5-9116-ba19e1056406
Brown, Alastair
909f34db-bc9c-403f-ba8f-31aee1c00161
Thatje, Sven
f1011fe3-1048-40c0-97c1-e93b796e6533
Morris, James P.
7060ae12-d0fd-41a5-89df-83870b59be31
Oliphant, Andrew
a080aa80-9deb-4e70-aadb-7c0b02600735
Morgan, Elizabeth A.
788032a6-1607-4f2e-95a6-74260a6bcddb
Hauton, Christopher
7706f6ba-4497-42b2-8c6d-00df81676331
Jones, Daniel O. B.
44fc07b3-5fb7-4bf5-9cec-78c78022613a
Pond, David W.
0c83d1f3-f262-4ab5-9116-ba19e1056406

Hauton, Christopher and Pond, David W. (2017) Data from: Metabolic costs imposed by hydrostatic pressure constrain bathymetric range in the lithodid crab Lithodes maja. DRYAD doi:10.5061/dryad.2538d [Dataset]

Record type: Dataset

Abstract

Changing climate is shifting the distributions of marine species, yet the potential for shifts in depth distributions is virtually unexplored. Hydrostatic pressure is proposed to contribute to a physiological bottleneck constraining depth range extension in shallow-water taxa. However, bathymetric limitation by hydrostatic pressure remains undemonstrated, and the mechanism limiting hyperbaric tolerance remains hypothetical. Here, we assess the effects of hydrostatic pressure in the lithodid crab Lithodes maja (bathymetric range 4-790 m depth, approximately equivalent to 0.1 to 7.9 MPa hydrostatic pressure). Heart rate decreased with increasing hydrostatic pressure, and was significantly lower at ≥10.0 MPa than at 0.1 MPa. Oxygen consumption increased with increasing hydrostatic pressure to 12.5 MPa, before decreasing as hydrostatic pressure increased to 20.0 MPa: oxygen consumption was significantly higher at 7.5-17.5 MPa than at 0.1 MPa. Increases in expression of genes associated with neurotransmission, metabolism and stress were observed between 7.5 and 12.5 MPa. We suggest that hyperbaric tolerance in L. maja may be oxygen-limited by hyperbaric effects on heart rate and metabolic rate, but that L. maja’s bathymetric range is limited by metabolic costs imposed by the effects of high hydrostatic pressure. These results advocate including hydrostatic pressure in a complex model of environmental tolerance, where energy-limitation constrains biogeographic range, and facilitate incorporating hydrostatic pressure into the broader metabolic framework for ecology and evolution. Such an approach is crucial for accurately projecting biogeographic responses to changing climate, and for understanding the ecology and evolution of life at depth.,Acute hyperbaric tolerance heart rate and molar oxygen consumption dataAcute hyperbaric tolerance mass-normalised heart rate and mass-normalised mass-specific molar oxygen consumption.Brown&al._J_Exp_Biol_17_acute_hyperbaric_tolerance.xlsxSustained hyperbaric tolerance heart rate and molar oxygen consumption dataSustained hyperbaric tolerance mass-normalised heart rate and mass-normalised mass-specific molar oxygen consumption.Brown&al._J_Exp_Biol_17_sustained_hyperbaric_tolerance.xlsx,

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More information

Published date: 1 January 2017
Keywords: Heart rate, Respiration rate, Biogeographic range limitation, Hyperbaric physiology, Lithodes maja, Metabolic theory, Hydrostatic pressure

Identifiers

Local EPrints ID: 448682
URI: http://eprints.soton.ac.uk/id/eprint/448682
PURE UUID: 8c9aa43f-39d7-4bc2-a1a1-ce114d09fdf2
ORCID for Christopher Hauton: ORCID iD orcid.org/0000-0002-2313-4226

Catalogue record

Date deposited: 29 Apr 2021 16:32
Last modified: 22 Jun 2022 01:38

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Contributors

Contributor: Alastair Brown
Contributor: Sven Thatje
Contributor: James P. Morris
Contributor: Andrew Oliphant
Contributor: Elizabeth A. Morgan
Contributor: Daniel O. B. Jones
Creator: David W. Pond

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