LotaV3, Main, Exploration, bibRecord, 000974

A history of total mercury in edible muscle of fish from lakes in northern Canada

Identifieur interne : 000974 ( Main/Exploration ); précédent : 000973; suivant : 000975

A history of total mercury in edible muscle of fish from lakes in northern Canada

Auteurs : W. L. Lockhart [Canada] ; G. A. Stern [Canada] ; G. Low [Canada] ; M. Hendzel [Canada] ; G. Boila [Canada] ; P. Roach [Canada] ; M. S. Evans [Canada] ; B. N. Billeck [Canada] ; J. Delaronde [Canada] ; S. Friesen [Canada] ; K. Kidd [Canada] ; S. Atkins [Canada] ; Derek Muir [Canada] ; M. Stoddart [Canada] ; G. Stephens [Canada] ; S. Stephenson [Canada] ; S. Harbicht [Canada] ; N. Snowshoe [Canada] ; B. Grey [Canada] ; S. Thompson [Canada] ; N. Degraff

Source :

Science of the total environment [ 0048-9697 ] ; 2005.

RBID : Pascal:06-0053418

Descripteurs français

KwdFr :
- Animaux (MeSH), Appréciation des risques (MeSH), Canada (MeSH), Contamination des aliments (MeSH), Eau douce (MeSH), Géologie (MeSH), Humains (MeSH), Mercure (analyse), Mercure (normes), Muscles (composition chimique), Phénomènes géologiques (MeSH), Poissons (MeSH), Polluants chimiques de l'eau (analyse), Polluants chimiques de l'eau (normes), Surveillance de l'environnement (MeSH).
MESH :
- analyse : Mercure, Polluants chimiques de l'eau.
- composition chimique : Muscles.
- normes : Mercure, Polluants chimiques de l'eau.
Pascal (Inist)
- Animaux, Appréciation des risques, Canada, Contamination des aliments, Eau douce, Géologie, Humains, Mercure, Phénomènes géologiques, Poisson comestible, Muscle, Lac, Canada, Arctique, Analyse tendance, Accumulation biologique, Poissons, Santé publique, Analyse risque, Eau surface, Milieu eau douce, Pisces, Surveillance de l'environnement.
Wicri :
- geographic : Canada.
- topic : Mercure, Lac, Santé publique.

English descriptors

KwdEn :
- Animals (MeSH), Arctic Region, Biological accumulation, Canada, Canada (MeSH), Edible fish, Environmental Monitoring (MeSH), Fishes (MeSH), Food Contamination (MeSH), Fresh Water (MeSH), Freshwater environment, Geological Phenomena (MeSH), Geology (MeSH), Humans (MeSH), Lakes, Mercury, Mercury (analysis), Mercury (standards), Muscle, Muscles (chemistry), Pisces, Public health, Risk Assessment (MeSH), Risk analysis, Surface water, Trend analysis, Water Pollutants, Chemical (analysis), Water Pollutants, Chemical (standards).
MESH :
- chemical , analysis : Mercury, Water Pollutants, Chemical.
- chemical , standards : Mercury, Water Pollutants, Chemical.
- geographic : Canada.
- chemistry : Muscles.
- Animals, Environmental Monitoring, Fishes, Food Contamination, Fresh Water, Geological Phenomena, Geology, Humans, Risk Assessment.

Abstract

Subsistence fishing has been an important source of food for Native People in northern Canada since prehistoric time. Measurements of the levels of mercury in edible muscle of northern fish have been undertaken for over three decades in efforts to evaluate the risks of consuming northern fish. This report summarizes the data obtained from 7974 fish of 25 species from sites distributed from the Yukon to Labrador. The most abundant species were lake trout, lake whitefish, arctic char, walleye, northern pike and burbot. The question being asked was essentially "Are the fish safe to eat?" The results were used to support decisions on fishing and consumption of fish. They were sorted in several ways, into concentration ranges corresponding to human consumption guidelines, into political jurisdictions and into types of bedrock geology. Overall walleye, northern pike and lake trout, usually exceeded the subsistence consumption guideline of 0.2 μg g^-1 total mercury and often exceeded the higher guideline of 0.5 μg g^-1 total mercury for commercial sales of fish. Mercury in burbot, another facultative predator, was often lower but several still exceeding a guideline. Arctic char collections were mostly from anadromous populations and these had very low levels of mercury, presumably reflecting marine food sources. Lake whitefish were among the cleanest fish examined with 69 of 81 collections falling in the lowest range. Most collections were from sites in sedimentary rock. However a few sites were in metamorphic, intrusive or volcanic rocks and these, taken together, tended to have a higher proportion of sites in the higher ranges of mercury. These results indicate a widespread problem with mercury in subsistence fisheries for predator species of fish with the problem being most problematic for Nunavut.

Affiliations:

Le document en format XML

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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">A history of total mercury in edible muscle of fish from lakes in northern Canada</title>
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<wicri:noRegion>Winnipeg, Manitoba, R3R 1E1</wicri:noRegion>
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<author><name sortKey="Stern, G A" sort="Stern, G A" uniqKey="Stern G" first="G. A." last="Stern">G. A. Stern</name>
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<author><name sortKey="Low, G" sort="Low, G" uniqKey="Low G" first="G." last="Low">G. Low</name>
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<author><name sortKey="Hendzel, M" sort="Hendzel, M" uniqKey="Hendzel M" first="M." last="Hendzel">M. Hendzel</name>
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<author><name sortKey="Boila, G" sort="Boila, G" uniqKey="Boila G" first="G." last="Boila">G. Boila</name>
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<author><name sortKey="Roach, P" sort="Roach, P" uniqKey="Roach P" first="P." last="Roach">P. Roach</name>
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<author><name sortKey="Evans, M S" sort="Evans, M S" uniqKey="Evans M" first="M. S." last="Evans">M. S. Evans</name>
<affiliation wicri:level="1"><inist:fA14 i1="06"><s1>Environment Canada</s1>
<s2>Saskatoon, Saskatchewan</s2>
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<author><name sortKey="Billeck, B N" sort="Billeck, B N" uniqKey="Billeck B" first="B. N." last="Billeck">B. N. Billeck</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Department of Fisheries and Oceans</s1>
<s2>Winnipeg, Manitoba</s2>
<s3>CAN</s3>
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<country>Canada</country>
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</affiliation>
</author>
<author><name sortKey="Delaronde, J" sort="Delaronde, J" uniqKey="Delaronde J" first="J." last="Delaronde">J. Delaronde</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Department of Fisheries and Oceans</s1>
<s2>Winnipeg, Manitoba</s2>
<s3>CAN</s3>
<sZ>2 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>8 aut.</sZ>
<sZ>9 aut.</sZ>
<sZ>10 aut.</sZ>
<sZ>11 aut.</sZ>
</inist:fA14>
<country>Canada</country>
<wicri:noRegion>Department of Fisheries and Oceans</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Friesen, S" sort="Friesen, S" uniqKey="Friesen S" first="S." last="Friesen">S. Friesen</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Department of Fisheries and Oceans</s1>
<s2>Winnipeg, Manitoba</s2>
<s3>CAN</s3>
<sZ>2 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>8 aut.</sZ>
<sZ>9 aut.</sZ>
<sZ>10 aut.</sZ>
<sZ>11 aut.</sZ>
</inist:fA14>
<country>Canada</country>
<wicri:noRegion>Department of Fisheries and Oceans</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Kidd, K" sort="Kidd, K" uniqKey="Kidd K" first="K." last="Kidd">K. Kidd</name>
<affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Department of Fisheries and Oceans</s1>
<s2>Winnipeg, Manitoba</s2>
<s3>CAN</s3>
<sZ>2 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>8 aut.</sZ>
<sZ>9 aut.</sZ>
<sZ>10 aut.</sZ>
<sZ>11 aut.</sZ>
</inist:fA14>
<country>Canada</country>
<wicri:noRegion>Department of Fisheries and Oceans</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Atkins, S" sort="Atkins, S" uniqKey="Atkins S" first="S." last="Atkins">S. Atkins</name>
<affiliation wicri:level="1"><inist:fA14 i1="07"><s2>370 Whitby Avenue, Ottawa, Ontario</s2>
<s3>CAN</s3>
<sZ>12 aut.</sZ>
</inist:fA14>
<country>Canada</country>
<wicri:noRegion>370 Whitby Avenue, Ottawa, Ontario</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Muir, D C G" sort="Muir, D C G" uniqKey="Muir D" first="D. C. G." last="Muir">Derek Muir</name>
<affiliation wicri:level="1"><inist:fA14 i1="08"><s1>Environment Canada</s1>
<s2>Burlington, Ontario</s2>
<s3>CAN</s3>
<sZ>13 aut.</sZ>
</inist:fA14>
<country>Canada</country>
<wicri:noRegion>Environment Canada</wicri:noRegion>
<placeName><settlement type="city">Burlington (Ontario)</settlement>
<region type="province">Ontario</region>
</placeName>
<orgName type="lab" n="5">Centre canadien des eaux intérieures</orgName>
</affiliation>
</author>
<author><name sortKey="Stoddart, M" sort="Stoddart, M" uniqKey="Stoddart M" first="M." last="Stoddart">M. Stoddart</name>
<affiliation wicri:level="1"><inist:fA14 i1="09"><s1>Gameti First Nation, Rae Lakes</s1>
<s2>Northwest Territory</s2>
<s3>CAN</s3>
<sZ>14 aut.</sZ>
</inist:fA14>
<country>Canada</country>
<wicri:noRegion>Northwest Territory</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Stephens, G" sort="Stephens, G" uniqKey="Stephens G" first="G." last="Stephens">G. Stephens</name>
<affiliation wicri:level="1"><inist:fA14 i1="10"><s1>Indian and Northern Affairs</s1>
<s2>Iqaluit, Nunavut</s2>
<s3>CAN</s3>
<sZ>15 aut.</sZ>
</inist:fA14>
<country>Canada</country>
<wicri:noRegion>Indian and Northern Affairs</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Stephenson, S" sort="Stephenson, S" uniqKey="Stephenson S" first="S." last="Stephenson">S. Stephenson</name>
<affiliation wicri:level="1"><inist:fA14 i1="11"><s1>Department of Fisheries and Oceans</s1>
<s2>Inuvik, Northwest Territory</s2>
<s3>CAN</s3>
<sZ>16 aut.</sZ>
</inist:fA14>
<country>Canada</country>
<wicri:noRegion>Department of Fisheries and Oceans</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Harbicht, S" sort="Harbicht, S" uniqKey="Harbicht S" first="S." last="Harbicht">S. Harbicht</name>
<affiliation wicri:level="1"><inist:fA14 i1="12"><s1>Environment Canada</s1>
<s2>Yellowknife, Northwest Territory</s2>
<s3>CAN</s3>
<sZ>17 aut.</sZ>
</inist:fA14>
<country>Canada</country>
<wicri:noRegion>Environment Canada</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Snowshoe, N" sort="Snowshoe, N" uniqKey="Snowshoe N" first="N." last="Snowshoe">N. Snowshoe</name>
<affiliation wicri:level="1"><inist:fA14 i1="13"><s1>Gwich in Tribal Council</s1>
<s2>Inuvik, Northwest Territory</s2>
<s3>CAN</s3>
<sZ>18 aut.</sZ>
</inist:fA14>
<country>Canada</country>
<wicri:noRegion>Gwich in Tribal Council</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Grey, B" sort="Grey, B" uniqKey="Grey B" first="B." last="Grey">B. Grey</name>
<affiliation wicri:level="1"><inist:fA14 i1="14"><s1>Indian and Northern Affairs</s1>
<s2>Ottawa, Ontario</s2>
<s3>CAN</s3>
<sZ>19 aut.</sZ>
</inist:fA14>
<country>Canada</country>
<wicri:noRegion>Indian and Northern Affairs</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Thompson, S" sort="Thompson, S" uniqKey="Thompson S" first="S." last="Thompson">S. Thompson</name>
<affiliation wicri:level="1"><inist:fA14 i1="15"><s1>Yukon Territorial Government</s1>
<s2>Whitehorse, Yukon</s2>
<s3>CAN</s3>
<sZ>20 aut.</sZ>
</inist:fA14>
<country>Canada</country>
<wicri:noRegion>Yukon Territorial Government</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Degraff, N" sort="Degraff, N" uniqKey="Degraff N" first="N." last="Degraff">N. Degraff</name>
</author>
</analytic>
<series><title level="j" type="main">Science of the total environment</title>
<title level="j" type="abbreviated">Sci. total environ.</title>
<idno type="ISSN">0048-9697</idno>
<imprint><date when="2005">2005</date>
</imprint>
</series>
</biblStruct>
</sourceDesc>
<seriesStmt><title level="j" type="main">Science of the total environment</title>
<title level="j" type="abbreviated">Sci. total environ.</title>
<idno type="ISSN">0048-9697</idno>
</seriesStmt>
</fileDesc>
<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals (MeSH)</term>
<term>Arctic Region</term>
<term>Biological accumulation</term>
<term>Canada</term>
<term>Canada (MeSH)</term>
<term>Edible fish</term>
<term>Environmental Monitoring (MeSH)</term>
<term>Fishes (MeSH)</term>
<term>Food Contamination (MeSH)</term>
<term>Fresh Water (MeSH)</term>
<term>Freshwater environment</term>
<term>Geological Phenomena (MeSH)</term>
<term>Geology (MeSH)</term>
<term>Humans (MeSH)</term>
<term>Lakes</term>
<term>Mercury</term>
<term>Mercury (analysis)</term>
<term>Mercury (standards)</term>
<term>Muscle</term>
<term>Muscles (chemistry)</term>
<term>Pisces</term>
<term>Public health</term>
<term>Risk Assessment (MeSH)</term>
<term>Risk analysis</term>
<term>Surface water</term>
<term>Trend analysis</term>
<term>Water Pollutants, Chemical (analysis)</term>
<term>Water Pollutants, Chemical (standards)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr"><term>Animaux (MeSH)</term>
<term>Appréciation des risques (MeSH)</term>
<term>Canada (MeSH)</term>
<term>Contamination des aliments (MeSH)</term>
<term>Eau douce (MeSH)</term>
<term>Géologie (MeSH)</term>
<term>Humains (MeSH)</term>
<term>Mercure (analyse)</term>
<term>Mercure (normes)</term>
<term>Muscles (composition chimique)</term>
<term>Phénomènes géologiques (MeSH)</term>
<term>Poissons (MeSH)</term>
<term>Polluants chimiques de l'eau (analyse)</term>
<term>Polluants chimiques de l'eau (normes)</term>
<term>Surveillance de l'environnement (MeSH)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Mercury</term>
<term>Water Pollutants, Chemical</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="standards" xml:lang="en"><term>Mercury</term>
<term>Water Pollutants, Chemical</term>
</keywords>
<keywords scheme="MESH" type="geographic" xml:lang="en"><term>Canada</term>
</keywords>
<keywords scheme="MESH" qualifier="analyse" xml:lang="fr"><term>Mercure</term>
<term>Polluants chimiques de l'eau</term>
</keywords>
<keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Muscles</term>
</keywords>
<keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Muscles</term>
</keywords>
<keywords scheme="MESH" qualifier="normes" xml:lang="fr"><term>Mercure</term>
<term>Polluants chimiques de l'eau</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Animals</term>
<term>Environmental Monitoring</term>
<term>Fishes</term>
<term>Food Contamination</term>
<term>Fresh Water</term>
<term>Geological Phenomena</term>
<term>Geology</term>
<term>Humans</term>
<term>Risk Assessment</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Animaux</term>
<term>Appréciation des risques</term>
<term>Canada</term>
<term>Contamination des aliments</term>
<term>Eau douce</term>
<term>Géologie</term>
<term>Humains</term>
<term>Mercure</term>
<term>Phénomènes géologiques</term>
<term>Poisson comestible</term>
<term>Muscle</term>
<term>Lac</term>
<term>Canada</term>
<term>Arctique</term>
<term>Analyse tendance</term>
<term>Accumulation biologique</term>
<term>Poissons</term>
<term>Santé publique</term>
<term>Analyse risque</term>
<term>Eau surface</term>
<term>Milieu eau douce</term>
<term>Pisces</term>
<term>Surveillance de l'environnement</term>
</keywords>
<keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Canada</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Mercure</term>
<term>Lac</term>
<term>Santé publique</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">Subsistence fishing has been an important source of food for Native People in northern Canada since prehistoric time. Measurements of the levels of mercury in edible muscle of northern fish have been undertaken for over three decades in efforts to evaluate the risks of consuming northern fish. This report summarizes the data obtained from 7974 fish of 25 species from sites distributed from the Yukon to Labrador. The most abundant species were lake trout, lake whitefish, arctic char, walleye, northern pike and burbot. The question being asked was essentially "Are the fish safe to eat?" The results were used to support decisions on fishing and consumption of fish. They were sorted in several ways, into concentration ranges corresponding to human consumption guidelines, into political jurisdictions and into types of bedrock geology. Overall walleye, northern pike  and lake trout, usually exceeded the subsistence consumption guideline of 0.2 μg g<sup>-1</sup>
 total mercury and often exceeded the higher guideline of 0.5 μg g<sup>-1</sup>
 total mercury for commercial sales of fish. Mercury in burbot, another facultative predator, was often lower but several still exceeding a guideline. Arctic char collections were mostly from anadromous populations and these had very low levels of mercury, presumably reflecting marine food sources. Lake whitefish were among the cleanest fish examined with 69 of 81 collections falling in the lowest range. Most collections were from sites in sedimentary rock. However a few sites were in metamorphic, intrusive or volcanic rocks and these, taken together, tended to have a higher proportion of sites in the higher ranges of mercury. These results indicate a widespread problem with mercury in subsistence fisheries for predator species of fish with the problem being most problematic for Nunavut.</div>
</front>
</TEI>
<affiliations><list><country><li>Canada</li>
</country>
<region><li>Ontario</li>
</region>
<settlement><li>Burlington (Ontario)</li>
</settlement>
<orgName><li>Centre canadien des eaux intérieures</li>
</orgName>
</list>
<tree><noCountry><name sortKey="Degraff, N" sort="Degraff, N" uniqKey="Degraff N" first="N." last="Degraff">N. Degraff</name>
</noCountry>
<country name="Canada"><noRegion><name sortKey="Lockhart, W L" sort="Lockhart, W L" uniqKey="Lockhart W" first="W. L." last="Lockhart">W. L. Lockhart</name>
</noRegion>
<name sortKey="Atkins, S" sort="Atkins, S" uniqKey="Atkins S" first="S." last="Atkins">S. Atkins</name>
<name sortKey="Billeck, B N" sort="Billeck, B N" uniqKey="Billeck B" first="B. N." last="Billeck">B. N. Billeck</name>
<name sortKey="Boila, G" sort="Boila, G" uniqKey="Boila G" first="G." last="Boila">G. Boila</name>
<name sortKey="Delaronde, J" sort="Delaronde, J" uniqKey="Delaronde J" first="J." last="Delaronde">J. Delaronde</name>
<name sortKey="Evans, M S" sort="Evans, M S" uniqKey="Evans M" first="M. S." last="Evans">M. S. Evans</name>
<name sortKey="Friesen, S" sort="Friesen, S" uniqKey="Friesen S" first="S." last="Friesen">S. Friesen</name>
<name sortKey="Grey, B" sort="Grey, B" uniqKey="Grey B" first="B." last="Grey">B. Grey</name>
<name sortKey="Harbicht, S" sort="Harbicht, S" uniqKey="Harbicht S" first="S." last="Harbicht">S. Harbicht</name>
<name sortKey="Hendzel, M" sort="Hendzel, M" uniqKey="Hendzel M" first="M." last="Hendzel">M. Hendzel</name>
<name sortKey="Kidd, K" sort="Kidd, K" uniqKey="Kidd K" first="K." last="Kidd">K. Kidd</name>
<name sortKey="Low, G" sort="Low, G" uniqKey="Low G" first="G." last="Low">G. Low</name>
<name sortKey="Muir, D C G" sort="Muir, D C G" uniqKey="Muir D" first="D. C. G." last="Muir">Derek Muir</name>
<name sortKey="Roach, P" sort="Roach, P" uniqKey="Roach P" first="P." last="Roach">P. Roach</name>
<name sortKey="Snowshoe, N" sort="Snowshoe, N" uniqKey="Snowshoe N" first="N." last="Snowshoe">N. Snowshoe</name>
<name sortKey="Stephens, G" sort="Stephens, G" uniqKey="Stephens G" first="G." last="Stephens">G. Stephens</name>
<name sortKey="Stephenson, S" sort="Stephenson, S" uniqKey="Stephenson S" first="S." last="Stephenson">S. Stephenson</name>
<name sortKey="Stern, G A" sort="Stern, G A" uniqKey="Stern G" first="G. A." last="Stern">G. A. Stern</name>
<name sortKey="Stoddart, M" sort="Stoddart, M" uniqKey="Stoddart M" first="M." last="Stoddart">M. Stoddart</name>
<name sortKey="Thompson, S" sort="Thompson, S" uniqKey="Thompson S" first="S." last="Thompson">S. Thompson</name>
</country>
</tree>
</affiliations>
</record>

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A history of total mercury in edible muscle of fish from lakes in northern Canada

A history of total mercury in edible muscle of fish from lakes in northern Canada

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