Mass balance approach to estimating radionuclide loads and concentrations in edible fish tissues using stable analogues

Yankovich, T.L.

doi:10.1016/j.jenvrad.2009.05.001

Cited by 17 publications

(8 citation statements)

References 10 publications

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“…(Kahn and Turgeon, 1984), giving a bone:muscle concentration ratio of 11. This compares with a study by Yankovich (2009) who reported a literature value of bone:muscle CR of 16 compared to a mean value in Perch Lake, Canada of 46.3.…”

Section: Model Parameterisation 241 Stable P In Freshwater Organismssupporting

confidence: 47%

A review and model assessment of 32P and 33P uptake to biota in freshwater systems

Smith

Bowes

Cailes

2011

Journal of Environmental Radioactivity

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Bioaccumulation of key short-lived radionuclides such as 131 I and 32,33 P may be overestimated since concentration ratios (CRs) are often based on values for the corresponding stable isotope which do not account for radioactive decay during uptake via the food chain.This study presents estimates for bioaccumulation of radioactive phosphorus which account for both radioactive decay and varying ambient levels of stable P in the environment.Recommended interim CR values for radioactive forms of P as a function of bioavailable stable phosphorus in the water body are presented. Values of CR are presented for three different trophic levels of the aquatic food chain; foodstuffs from all three trophic levels may potentially be consumed by humans. It is concluded that current recommended values of the CR are likely to be significantly over-estimated for radioactive phosphorus in many freshwater systems, particularly lowland rivers. Further research is recommended to fieldvalidate these models and assess their uncertainty. The relative importance of food-chain uptake and direct uptake from water are also assessed from a review of the literature. It can be concluded that food-chain uptake is the dominant accumulation pathway in fish and hence accumulation factors for radioactive phosphorus in farmed fish are likely to be significantly lower than those for wild fish.

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Section: Model Parameterisation 241 Stable P In Freshwater Organismssupporting

confidence: 47%

A review and model assessment of 32P and 33P uptake to biota in freshwater systems

Smith

Bowes

Cailes

2011

Journal of Environmental Radioactivity

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“…Movement or flux of whole body strontium has been examined in a number of teleosts (Rosenthal, 1956;Belyaev et al, 2011), with the most comprehensive understanding of strontium transport kinetics in fish being determined in the common carp, Cyprinus carpio (Chowdhury et al, 2000;Blust, 2001a,b, 2002). Using the radioisotope 90 Sr it has been shown that strontium is preferentially accumulated in the bones of the organism, supporting the notion that strontium likely acts as a calcium mimic (Rosenthal, 1958;Martin and Goldberg, 1962;Simmons et al, 1970;Yankovich, 2009). Similarly, strontium turnover is rapid in soft tissues such as the metabolically active skeletal muscle and viscera, and slow in hard tissues such as bone (Rosenthal, 1958;Martin and Goldberg, 1962).…”

Section: Introductionmentioning

confidence: 80%

“…The accumulation of strontium in calcium‐rich tissue was further observed by Martin and Goldberg (), who reported after a 1‐day exposure to 90 Sr, that 80% of the 90 Sr was found in the skeleton of the Pacific mackerel, Scomber australasicus . In the freshwater brown bullhead Ameiurus nebulosus , and northern pike Esox lucius , 95% of the strontium was accumulated in the hard tissues (Yankovich, ).…”

Section: Discussionmentioning

confidence: 99%

Strontium metabolism in the juvenile Lake Sturgeon, Acipenser fulvescens (Rafinesque, 1817), and further evaluation of the isotope as a marking tool for stock discrimination

et al. 2016

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Stock enhancement efforts have been used to aid in increasing dwindling population levels of Lake Sturgeon, Acipenser fulvescens, that are currently of conservation concern. Consistent monitoring of stock enhanced fisheries requires a reliable and reproducible method to mark stocked fish such that the success of such programs can be determined. Recently, stable isotopic marking of hard structures in fish has been developed in a variety of species, however, optimal marking conditions are less well understood. In this study the metabolism of strontium in juvenile Lake Sturgeon and determined parameters for optimisation of marking success in the fin ray were examined. Using radioactive strontium ( 85 Sr), whole body influx and efflux rates of strontium were 3.02 AE 0.364 pmol h À1 g À1 (mean AE standard error) and 0.04 AE 0.007 pmol h À1 g À1 , respectively. Furthermore, short-term accumulation of 85 Sr in a variety of tissues was assessed and found to be greatest in the fin ray. Biological half-life of the stable isotope 86 Sr was shortest in muscle and longest in the fin ray tissue. Immersion and length of immersion timing had positive relationships with marking success. Additionally, the signature remained in 75% of fish analysed 550 days postmark. Data suggest that marking success was determined by duration of immersion in the mark and concentration of the mark introduced to the water.

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“…The greatest reported BAFs for uranium in rainbow trout (Oncorhynchus mykiss), longnose suckers (Catostomus catostomus), and lake whitefish (Coregonus clupeaformis) were less than 38 (Mahon, 1982;Poston, 1982;Swanson, 1985, cited in Driver, 1994. BAFs reported in the literature for early life stage fish are consistently less than 20 (Driver, 1994;Yankovich, 2009). For example, BCFs for uranium ranged from 1.9 to 4.3 in hard water (210 mg/L as CaCO 3 ) in brook trout eggs and fry (Parkhurst and others, 1984) and 3.3 in eyed carp eggs (Till and Blaylock, 1976).…”

Section: Aquatic Ecosystem Exposurementioning

confidence: 88%

Hydrological, geological, and biological site characterization of breccia pipe uranium deposits in Northern Arizona

2010

Scientific Investigations Report

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Mass balance approach to estimating radionuclide loads and concentrations in edible fish tissues using stable analogues

Cited by 17 publications

References 10 publications

A review and model assessment of 32P and 33P uptake to biota in freshwater systems

A review and model assessment of 32P and 33P uptake to biota in freshwater systems

Strontium metabolism in the juvenile Lake Sturgeon, Acipenser fulvescens (Rafinesque, 1817), and further evaluation of the isotope as a marking tool for stock discrimination

Hydrological, geological, and biological site characterization of breccia pipe uranium deposits in Northern Arizona

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