Cited by 43Environmental Toxicology and EcotoxicologyCrustacean biology and ecologyToxic Organic Pollutants Impact

Physiological responses of juvenile and adult shore crabs Carcinus maenas (Crustacea: Decapoda) to pyrene exposure

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Dissanayake, Awantha, Galloway, Tamara S., Jones, Malcolm B.·2008·Marine Environmental Research

Abstract

This study measured aspects of the physiology of juvenile [(<35mm carapace width (CW)] and adult (>60mm CW) Carcinus maenas to test the hypothesis that these different life-history stages exhibit different sensitivities to environmental contamination. Newly-collected juveniles had significantly (P<0.05) lower immunocompetence (phagocytosis and cellular integrity), lower metabolic energy (haemolymph glucose) and increased scope for growth compared with adults. Seven day exposure to a sub-lethal concentration (200microgL(-1)) of pyrene significantly (P<0.01) reduced immunocompetence, elevated basal heart rate and decreased respiration (at rest) for juveniles but had no overall impact on adult crab physiology. Results confirm that physiological differences exist between juvenile and adult shore crabs, and cause juveniles to be more susceptible to the effects of pyrene exposure than adults. Such differences in sensitivity to contamination between life-cycle stages of the same species have to be taken into account during the risk assessment process.

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Crossref · 10.1016/j.marenvres.2008.07.006

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Authors
Dissanayake, A., Galloway, T. S., & Jones, M. B.
Affiliations
  • University of Plymouth (GB)
  • University of Exeter (GB)
Corresponding author
Dissanayake, Awantha
Venue
Marine Environmental Research
Publisher
Elsevier BV
Published
2008-10
Volume
66
Issue
4
Pages
445-450
ISSN
0141-1136 (ISSN-L)
OpenAlex
W2039332382
Cited by
43
References
42
Citations by year
2026: 1 · 2025: 4 · 2024: 4 · 2023: 3 · 2022: 2 · 2021: 4 · 2019: 1 · 2018: 1 · 2016: 1 · 2015: 1 · 2014: 5 · 2013: 3 · 2012: 2
FWCI
2.52
Type
journal article
Language
en
Open access
Locations
  • Marine Environmental Research (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion, other-oa)
  • Trinity's Access to Research Output (TARA) (Trinity College Dublin) (submittedVersion)
Topics
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Environmental Toxicology and Ecotoxicology
  • Physical Sciences › Environmental Science › Ecology › Crustacean biology and ecology
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Toxic Organic Pollutants Impact
Keywords
Carcinus maenas, pyrene, life stages, immunocompetence, phagocytosis, hemolymph glucose, metabolic energy, heart rate, respiration, sublethal exposure, environmental contamination, risk assessment
MeSH terms
Animals, Brachyura, Pyrenes, Water Pollutants, Chemical

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