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Environmental hypoxia but not minor shell damage affects scope for growth and body condition in the blue mussel Mytilus edulis (L.)

Environmental hypoxia but not minor shell damage affects scope for growth and body condition in the blue mussel Mytilus edulis (L.)
Environmental hypoxia but not minor shell damage affects scope for growth and body condition in the blue mussel Mytilus edulis (L.)
The effects of short-term (7 d) exposure to environmental hypoxia (2.11 mg O2 L−1; control: 6.96 mg O2 L−1) and varying degrees of shell damage (1 or 2, 1 mm diameter holes; control: no holes) on respiration rate, clearance rate, ammonia excretion rate, scope for growth (SFG) and body condition index were investigated in adult blue mussels (Mytilus edulis). There was a significant hypoxia-related reduction in SFG (>6.70 to 0.92 J g−1 h−1) primarily due to a reduction in energy acquisition as a result of reduced clearance rates during hypoxia. Shell damage had no significant affect on any of the physiological processes measured or the SFG calculated. Body condition was unaffected by hypoxia or shell damage. In conclusion, minor physical damage to mussels had no effect on physiological energetics but environmental hypoxia compromised growth, respiration and energy acquisition presumably by reducing feeding rates.
0141-1136
74-80
Sanders, Trystan
4f3b5742-82bb-48d6-bcaa-0489c0880628
Widdicombe, Steve
e0b78917-3b66-4fc7-b2fe-c8e5e26c3313
Calder-Potts, Ruth
73034f9a-359b-48c9-aee6-6ec99e2361bf
Spicer, John I.
94d80a50-0dc1-4e19-bc2d-a0c0e890092c
Sanders, Trystan
4f3b5742-82bb-48d6-bcaa-0489c0880628
Widdicombe, Steve
e0b78917-3b66-4fc7-b2fe-c8e5e26c3313
Calder-Potts, Ruth
73034f9a-359b-48c9-aee6-6ec99e2361bf
Spicer, John I.
94d80a50-0dc1-4e19-bc2d-a0c0e890092c

Sanders, Trystan, Widdicombe, Steve, Calder-Potts, Ruth and Spicer, John I. (2014) Environmental hypoxia but not minor shell damage affects scope for growth and body condition in the blue mussel Mytilus edulis (L.). Marine Environmental Research, 95, 74-80. (doi:10.1016/j.marenvres.2013.12.013).

Record type: Article

Abstract

The effects of short-term (7 d) exposure to environmental hypoxia (2.11 mg O2 L−1; control: 6.96 mg O2 L−1) and varying degrees of shell damage (1 or 2, 1 mm diameter holes; control: no holes) on respiration rate, clearance rate, ammonia excretion rate, scope for growth (SFG) and body condition index were investigated in adult blue mussels (Mytilus edulis). There was a significant hypoxia-related reduction in SFG (>6.70 to 0.92 J g−1 h−1) primarily due to a reduction in energy acquisition as a result of reduced clearance rates during hypoxia. Shell damage had no significant affect on any of the physiological processes measured or the SFG calculated. Body condition was unaffected by hypoxia or shell damage. In conclusion, minor physical damage to mussels had no effect on physiological energetics but environmental hypoxia compromised growth, respiration and energy acquisition presumably by reducing feeding rates.

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e-pub ahead of print date: 17 January 2014
Published date: April 2014

Identifiers

Local EPrints ID: 448165
URI: http://eprints.soton.ac.uk/id/eprint/448165
ISSN: 0141-1136
PURE UUID: 1e0826b0-6341-4513-8d56-5f503ba331c3
ORCID for Trystan Sanders: ORCID iD orcid.org/0000-0002-7605-0747

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Date deposited: 13 Apr 2021 16:31
Last modified: 16 Mar 2024 11:56

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Contributors

Author: Trystan Sanders ORCID iD
Author: Steve Widdicombe
Author: Ruth Calder-Potts
Author: John I. Spicer

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