Measurement of physiological energetics (scope for growth) and chemical contaminants in mussels (Arca zebra) transplanted along a contamination gradient in Bermuda

Widdows, J.; Burns, Kathryn A.; Menon, N. R.; Page, David S.; Soria, S P

doi:10.1016/0022-0981(90)90179-g

Cited by 98 publications

(28 citation statements)

References 27 publications

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“…obs.). These findings are consistent with other studies which report a general reduction in the scope for growth of mussels acutely exposed to contaminants or chronically exposed to contaminants along known pollution gradients (Widdows & Johnson 1988, Widdows et al 1990). In transplant studies in which mussels are deployed along known pollution gradients, a reduction in the scope for growth has often been related to a reduction in the actual growth of mussels (Martin et al 1984, Salazar & Salazar 1991, Veldhuizen-Tsoerkan et al 1991.…”

supporting

confidence: 93%

“…Reductions in the scope for growth (net energy budget) is another major effect of xenobiotics on fieldexposed mussels sampled from contaminated areas (Cappuzzo & Leavitt 1988, Widdows & Johnson 1988, Widdows et al 1990). When mussels from uncontaminated sites are transplanted along known pollution gradients, scope for growth is similarly reduced for mussels that are placed in the most contaminated areas, resulting in reduced growth of these mussels (Martin et al 1984, Salazar & Salazar 1991, Veldhuizen-Tsoerkan et al 1991.…”

Section: Introductionmentioning

confidence: 99%

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Effect of environmental contaminants on the health of Mytilus edulis from Puget Sound, Washington, USA. I. Cytochemical measures of lysosomal responses in the digestive cells using automatic image analysis

Krishnakumar¹,

Casillas²,

Varanasi³

1994

Mar. Ecol. Prog. Ser.

132

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Lysosomal responses in the digestive cells of Mytilus eduljs from 9 sites in Puget Sound, Washington. USA, with varying degrees of sediment contamination were measured using automatic image analysis. Mussels from urban-associated sltes (areas with elevated sediment concentration of anthropogenic contaminants such as PAHs, PCBs. DDTs, and toxic elements) showed pathological changes in the lysosomes (reduced lysosomal labilization period, reduced lysosomal stability and increased N-acetyl P-hexosaminidase activity), enhanced lipofuscin deposition and increased accumulat~on of lysosomal and cytoplasmic unsaturated neutral lipids. Morphometric measures of growth showed that mussels were generally smaller in size and that somatic tissue weight relative to shell length was lower in mussels from urban-associated sites relative to those from minimally contaminated sites. Highly significant correlations were observed between concentrations of tissue PAH, PCB, and selected toxic elements (measures of anthropogenic exposure) and lysosomal labil~zation period. Pathological alterations in the lysosomal system of mussels from the urban-associated sites were probably induced by the high tissue concentrations of organic and inorganic contaminants rather than as a result of potential confounding biotic (spawning stress) or abiotic (temperature, salinity and food availability) factors. The results show that cytochemical measurement of lysosomal responses combined with automatic image analysis have the potential to be used as sensitive, accurate and rapid techniques for assessing the biological impact of environmental contaminants in mussels in the near coastal environment.

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supporting

confidence: 93%

Section: Introductionmentioning

confidence: 99%

Effect of environmental contaminants on the health of Mytilus edulis from Puget Sound, Washington, USA. I. Cytochemical measures of lysosomal responses in the digestive cells using automatic image analysis

Krishnakumar¹,

Casillas²,

Varanasi³

1994

Mar. Ecol. Prog. Ser.

132

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“…SFG has been used extensively for intraspeclfic and interspecific comparisons in marine bivalves, especially as a stress and pollution indicator (e.g. Bayne & Newel1 1983, Bayne et al 1985, Griffiths & Griffiths 1987, Widdows et al 1990, 1997.…”

Section: Introductionmentioning

confidence: 99%

Effects of body size on suspension feeding and energy budgets of the pearl oysters Pinctada margaritifera and P. maxima

Yukihira¹,

Klumpp²,

Lucas³

1998

Mar. Ecol. Prog. Ser.

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This study compared suspension f e e d n g , assimdation efficiency, respiration and excretion, and energy budgets (= scope for growth, SFG) in relation to body size in 2 pearl oysters, Pinctada maryaritifera and P. maxima, at a low food concentration (ca 5000 cells ml-l Tahitian Isochrysis galbana). Clearance rate (CR), respiration rate (K) and ammonia excretion rate (E) were strongly correlated with body size ( p < 0 001) in both species, wlth exponents of 0.60 and 0.61 (CR), 0.44 and 0.56 (R), and 0.64 and 0.78 (E), respectively, for P margaritdera and P maxima. CR did not differ significantly between the species, but absorption efficiency, which was unrelated to size, was significantly greater in P maxima (57 5 vs 51 %, p < 0.05). There was, however, no significant difference in absorbed energy (AE) between the species. Respired energy (RE) and excreted energy (EE) as proportions of AE were slgniflcantly lower ( p < 0.01) in P. maxima of 0.1 g dry soft tissue wt (ca 36 mm shell height, SH). The former was 0.36 compared to 0.58 in P. margaritifera of the same size. Thus, P. m a x m a of 0.1 g dry soft tissue wt exceeded P. margaritlfera of the same size in SFG, which accords with the former species' more rapid early growth. Both species of pearl oysters have a high abihty to acquire energy under low phytoplankton conditions. Both species are exceptional bivalves in terms of energy fluxes, with clearance rates of 50 to 100 1 h-' in large oysters of 150+ mm SH. They show among the highest CR, R, E and SFG values recorded for blvalves (using 1 g dry soft tissue wt as a standard size). The largest g a n t clam, Tridacna gigas, is one tropical bivalve with comparable SFG. It, however, 1s dependent on energy from autotrophy as well as heterotrophy to achieve its high SFG.

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“…[62][63][64] Furthermore, this fraction can also contain transformation products generated through weathering, such as oxidated polycyclic compounds which can be present at even higher concentrations than the parent compounds. 65 These have been reported in marine environmental matrices at toxic levels 66,67 and can be persistent. 68 Consequently, it is very important to consider this fraction in post-spill assessments, even though it can be difficult to characterize in further detail.…”

Section: -61mentioning

confidence: 99%

Compositional properties characterizing commonly transported oils and controlling their fate in the marine environment

et al. 2012

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Measurement of physiological energetics (scope for growth) and chemical contaminants in mussels (Arca zebra) transplanted along a contamination gradient in Bermuda

Cited by 98 publications

References 27 publications

Effect of environmental contaminants on the health of Mytilus edulis from Puget Sound, Washington, USA. I. Cytochemical measures of lysosomal responses in the digestive cells using automatic image analysis

Effect of environmental contaminants on the health of Mytilus edulis from Puget Sound, Washington, USA. I. Cytochemical measures of lysosomal responses in the digestive cells using automatic image analysis

Effects of body size on suspension feeding and energy budgets of the pearl oysters Pinctada margaritifera and P. maxima

Compositional properties characterizing commonly transported oils and controlling their fate in the marine environment

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