Radionuclide Levels in Caribou of Northern Alaska in 1995-96
Caribou (Rangifer tarandus) were sampled (1995-96) from a mortality event near the Project Chariot site (the location of a radiotracer experiment in northwestern Alaska during the 1960s) and reference sites. Radionuclide levels in muscle and bone and the cause(s) of the mortality were determined bec...
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description | Caribou (Rangifer tarandus) were sampled (1995-96) from a mortality event near the Project Chariot site (the location of a radiotracer experiment in northwestern Alaska during the 1960s) and reference sites. Radionuclide levels in muscle and bone and the cause(s) of the mortality were determined because of local residents' concerns. Bone gross alpha mean activity (n = 65) was 130.0 Bq/kg, and varied significantly (p < 0.01) from 73.3 to 168.0 Bq/kg among locations. Bone gross beta mean activity was 510.4, and muscle gross beta mean activity was 9.78 Bq/kg. Bone strontium-90 mean activity (n = 58) was 137.8 Bq/kg. Muscle potassium-40 mean activity (n = 65) was 83.0 Bq/kg, and varied significantly from 76.0 to 104.4 Bq/kg among locations. Muscle cesium-137 mean activity (n = 65) was 6.67 Bq/kg, ranged significantly from 0.74 to 15.6 Bq/kg by location, and increased with increasing body condition score. Bone potassium-40 mean activity ranged from 18.9 to 47.4 Bq/kg, and muscle strontium-90 ranged from 8.89 to 20.0 Bq/kg. Radionuclide concentrations were at expected levels. In some cases, they were low compared to those in Canadian caribou studies. /// En 1995 et 1996, on a prélevé des échantillons de caribou (Rangifer tarandus) morts accidentellement près de l'emplacement du projet Chariot (N.-O. de l'Alaska), sur les lieux d'une expérience menée avec des radiotraceurs dans les années 1960 et sur des lieux de référence. On a déterminé les niveaux de radionucléides dans les muscles et les os ainsi que la ou les causes de mortalité afin de répondre aux questions que se posaient les résidents de la région. La radioactivité moyenne brute alpha dans les tissus osseux (n = 65) était de 130,0 Bq/kg, et variait largement (p < 0,01), de 73,3 à 168,0 Bq/kg selon les emplacements. La radioactivité moyenne brute bêta dans les tissus osseux était de 510,4 et celle dans les tissus musculaires était de 9,78 Bq/kg. La radioactivité moyenne du strontium 90 (n = 58) était de 137,8 Bq/kg. La radioactivité moyenne du potassium 40 (n = 65) dans les tissus musculaires était de 83,0 Bq/kg, et elle variait largement, de 76,0 à 104,4 Bq/kg selon les emplacements. La radioactivité moyenne du césium 137 (n = 65) dans les tissus musculaires était de 6,67 Bq/kg et variait largement, de 0,74 à 15,6 Bq/kg selon l'emplacement; son augmentation suivait celle de la cote de l'état du corps. La radioactivité moyenne du potassium 40 dans les tissus osseux allait de 18,9 à 47,4 Bq/kg, et celle du |
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Radionuclide levels in muscle and bone and the cause(s) of the mortality were determined because of local residents' concerns. Bone gross alpha mean activity (n = 65) was 130.0 Bq/kg, and varied significantly (p < 0.01) from 73.3 to 168.0 Bq/kg among locations. Bone gross beta mean activity was 510.4, and muscle gross beta mean activity was 9.78 Bq/kg. Bone strontium-90 mean activity (n = 58) was 137.8 Bq/kg. Muscle potassium-40 mean activity (n = 65) was 83.0 Bq/kg, and varied significantly from 76.0 to 104.4 Bq/kg among locations. Muscle cesium-137 mean activity (n = 65) was 6.67 Bq/kg, ranged significantly from 0.74 to 15.6 Bq/kg by location, and increased with increasing body condition score. Bone potassium-40 mean activity ranged from 18.9 to 47.4 Bq/kg, and muscle strontium-90 ranged from 8.89 to 20.0 Bq/kg. Radionuclide concentrations were at expected levels. In some cases, they were low compared to those in Canadian caribou studies. /// En 1995 et 1996, on a prélevé des échantillons de caribou (Rangifer tarandus) morts accidentellement près de l'emplacement du projet Chariot (N.-O. de l'Alaska), sur les lieux d'une expérience menée avec des radiotraceurs dans les années 1960 et sur des lieux de référence. On a déterminé les niveaux de radionucléides dans les muscles et les os ainsi que la ou les causes de mortalité afin de répondre aux questions que se posaient les résidents de la région. La radioactivité moyenne brute alpha dans les tissus osseux (n = 65) était de 130,0 Bq/kg, et variait largement (p < 0,01), de 73,3 à 168,0 Bq/kg selon les emplacements. La radioactivité moyenne brute bêta dans les tissus osseux était de 510,4 et celle dans les tissus musculaires était de 9,78 Bq/kg. La radioactivité moyenne du strontium 90 (n = 58) était de 137,8 Bq/kg. La radioactivité moyenne du potassium 40 (n = 65) dans les tissus musculaires était de 83,0 Bq/kg, et elle variait largement, de 76,0 à 104,4 Bq/kg selon les emplacements. La radioactivité moyenne du césium 137 (n = 65) dans les tissus musculaires était de 6,67 Bq/kg et variait largement, de 0,74 à 15,6 Bq/kg selon l'emplacement; son augmentation suivait celle de la cote de l'état du corps. La radioactivité moyenne du potassium 40 dans les tissus osseux allait de 18,9 à 47,4 Bq/kg, et celle du strontium 90 dans les tissus musculaires allait de 8,89 à 20,0 Bq/kg. Les niveaux de concentration en radionucléides étaient ceux auxquels on s'attendait. Dans certains cas, ils étaient bas, par rapport à ceux d'études canadiennes sur le caribou.</description><identifier>ISSN: 0004-0843</identifier><identifier>EISSN: 1923-1245</identifier><language>eng</language><publisher>Calgary: The Arctic Institute of North America</publisher><subject>Alaska ; Body condition ; Bone marrow ; Bones ; Boroughs ; Caribou ; Caribous ; Cesium ; Cesium radioisotopes ; Chariots ; Health aspects ; Health risks ; Hope ; Lichens ; Mortality ; Muscles ; Nuclear accidents & safety ; Nuclear power plants ; Nutrition ; Polonium ; Radiation ; Radioactive fallout ; Radioactive pollution ; Radioactive tracers ; Radionuclides ; Rangifer tarandus ; Reindeer ; Strontium ; Strontium radioisotopes ; USA, Alaska ; USA, Alaska, Northern</subject><ispartof>Arctic, 1999-09, Vol.52 (3), p.279-288</ispartof><rights>Copyright 1999 Arctic Institute of North America</rights><rights>COPYRIGHT 1999 Arctic Institute of North America of the University of Calgary</rights><rights>Copyright Arctic Institute of North America Sep 1999</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/40511780$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/40511780$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,776,780,799,57992,58225</link.rule.ids></links><search><creatorcontrib>O'Hara, Todd M.</creatorcontrib><creatorcontrib>Dasher, Doug</creatorcontrib><creatorcontrib>George, John C.</creatorcontrib><creatorcontrib>Woshner, Victoria</creatorcontrib><title>Radionuclide Levels in Caribou of Northern Alaska in 1995-96</title><title>Arctic</title><description>Caribou (Rangifer tarandus) were sampled (1995-96) from a mortality event near the Project Chariot site (the location of a radiotracer experiment in northwestern Alaska during the 1960s) and reference sites. Radionuclide levels in muscle and bone and the cause(s) of the mortality were determined because of local residents' concerns. Bone gross alpha mean activity (n = 65) was 130.0 Bq/kg, and varied significantly (p < 0.01) from 73.3 to 168.0 Bq/kg among locations. Bone gross beta mean activity was 510.4, and muscle gross beta mean activity was 9.78 Bq/kg. Bone strontium-90 mean activity (n = 58) was 137.8 Bq/kg. Muscle potassium-40 mean activity (n = 65) was 83.0 Bq/kg, and varied significantly from 76.0 to 104.4 Bq/kg among locations. Muscle cesium-137 mean activity (n = 65) was 6.67 Bq/kg, ranged significantly from 0.74 to 15.6 Bq/kg by location, and increased with increasing body condition score. Bone potassium-40 mean activity ranged from 18.9 to 47.4 Bq/kg, and muscle strontium-90 ranged from 8.89 to 20.0 Bq/kg. Radionuclide concentrations were at expected levels. In some cases, they were low compared to those in Canadian caribou studies. /// En 1995 et 1996, on a prélevé des échantillons de caribou (Rangifer tarandus) morts accidentellement près de l'emplacement du projet Chariot (N.-O. de l'Alaska), sur les lieux d'une expérience menée avec des radiotraceurs dans les années 1960 et sur des lieux de référence. On a déterminé les niveaux de radionucléides dans les muscles et les os ainsi que la ou les causes de mortalité afin de répondre aux questions que se posaient les résidents de la région. La radioactivité moyenne brute alpha dans les tissus osseux (n = 65) était de 130,0 Bq/kg, et variait largement (p < 0,01), de 73,3 à 168,0 Bq/kg selon les emplacements. La radioactivité moyenne brute bêta dans les tissus osseux était de 510,4 et celle dans les tissus musculaires était de 9,78 Bq/kg. La radioactivité moyenne du strontium 90 (n = 58) était de 137,8 Bq/kg. La radioactivité moyenne du potassium 40 (n = 65) dans les tissus musculaires était de 83,0 Bq/kg, et elle variait largement, de 76,0 à 104,4 Bq/kg selon les emplacements. La radioactivité moyenne du césium 137 (n = 65) dans les tissus musculaires était de 6,67 Bq/kg et variait largement, de 0,74 à 15,6 Bq/kg selon l'emplacement; son augmentation suivait celle de la cote de l'état du corps. La radioactivité moyenne du potassium 40 dans les tissus osseux allait de 18,9 à 47,4 Bq/kg, et celle du strontium 90 dans les tissus musculaires allait de 8,89 à 20,0 Bq/kg. Les niveaux de concentration en radionucléides étaient ceux auxquels on s'attendait. Dans certains cas, ils étaient bas, par rapport à ceux d'études canadiennes sur le caribou.</description><subject>Alaska</subject><subject>Body condition</subject><subject>Bone marrow</subject><subject>Bones</subject><subject>Boroughs</subject><subject>Caribou</subject><subject>Caribous</subject><subject>Cesium</subject><subject>Cesium radioisotopes</subject><subject>Chariots</subject><subject>Health aspects</subject><subject>Health risks</subject><subject>Hope</subject><subject>Lichens</subject><subject>Mortality</subject><subject>Muscles</subject><subject>Nuclear accidents & safety</subject><subject>Nuclear power plants</subject><subject>Nutrition</subject><subject>Polonium</subject><subject>Radiation</subject><subject>Radioactive fallout</subject><subject>Radioactive pollution</subject><subject>Radioactive tracers</subject><subject>Radionuclides</subject><subject>Rangifer tarandus</subject><subject>Reindeer</subject><subject>Strontium</subject><subject>Strontium radioisotopes</subject><subject>USA, Alaska</subject><subject>USA, Alaska, Northern</subject><issn>0004-0843</issn><issn>1923-1245</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><sourceid>KPI</sourceid><sourceid>BENPR</sourceid><recordid>eNqN0E1Lw0AQBuAgCtbqTxCiB_FgYL83C15K8aNYqlQ9h81mUrem2bqbiP57I_VgpWCZw8DMwwszO1EPK0ITTBjfjXoIIZaglNH96CCEOUIYYYl60eVUF9bVralsAfEY3qEKsa3jofY2d23synjifPMCvo4HlQ6v-nuLleKJEofRXqmrAEc_vR89X189DW-T8f3NaDgYJzMmWJOkZVoQA2A4VYiaghlBkGZCKWVSxgsOsiSKUiG5wUznGJWESGF0nqeSFoL2o7NV7tK7txZCky1sMFBVugbXhgxLxqlU7H_IOCEIkQ6e_oFz1_q6OyLDSgpBqJQdulihma4gs3XpGq_NDGrwunI1lLYbD2j3WYl42vGTDdws7Vv2yyQbTFcFLKzZlHm-5jvSwEcz020I2d3DaFs6epxuTydr9HhF56FxPlt6u9D-M2OIYyxTRL8Az3G4mw</recordid><startdate>19990901</startdate><enddate>19990901</enddate><creator>O'Hara, Todd M.</creator><creator>Dasher, Doug</creator><creator>George, John C.</creator><creator>Woshner, Victoria</creator><general>The Arctic Institute of North America</general><general>Arctic Institute of North America of the University of Calgary</general><general>Arctic Institute of North America</general><scope>ISN</scope><scope>ISR</scope><scope>KPI</scope><scope>3V.</scope><scope>7ST</scope><scope>7TG</scope><scope>7TN</scope><scope>7XB</scope><scope>8FE</scope><scope>8FG</scope><scope>8FK</scope><scope>8FQ</scope><scope>8FV</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>GNUQQ</scope><scope>H95</scope><scope>HCIFZ</scope><scope>KL.</scope><scope>L.G</scope><scope>L6V</scope><scope>M3G</scope><scope>M7S</scope><scope>PATMY</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>S0X</scope><scope>SOI</scope><scope>7SN</scope><scope>7TV</scope></search><sort><creationdate>19990901</creationdate><title>Radionuclide Levels in Caribou of Northern Alaska in 1995-96</title><author>O'Hara, Todd M. ; Dasher, Doug ; George, John C. ; Woshner, Victoria</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-g464t-8f8d2ceec53903cd4c620a46999c845d5e7f2933675c14ab10f2276cabb873d63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><topic>Alaska</topic><topic>Body condition</topic><topic>Bone marrow</topic><topic>Bones</topic><topic>Boroughs</topic><topic>Caribou</topic><topic>Caribous</topic><topic>Cesium</topic><topic>Cesium radioisotopes</topic><topic>Chariots</topic><topic>Health aspects</topic><topic>Health risks</topic><topic>Hope</topic><topic>Lichens</topic><topic>Mortality</topic><topic>Muscles</topic><topic>Nuclear accidents & safety</topic><topic>Nuclear power plants</topic><topic>Nutrition</topic><topic>Polonium</topic><topic>Radiation</topic><topic>Radioactive fallout</topic><topic>Radioactive pollution</topic><topic>Radioactive tracers</topic><topic>Radionuclides</topic><topic>Rangifer tarandus</topic><topic>Reindeer</topic><topic>Strontium</topic><topic>Strontium radioisotopes</topic><topic>USA, Alaska</topic><topic>USA, Alaska, Northern</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>O'Hara, Todd M.</creatorcontrib><creatorcontrib>Dasher, Doug</creatorcontrib><creatorcontrib>George, John C.</creatorcontrib><creatorcontrib>Woshner, Victoria</creatorcontrib><collection>Gale In Context: Canada</collection><collection>Gale In Context: Science</collection><collection>Gale In Context: Global Issues</collection><collection>ProQuest Central (Corporate)</collection><collection>Environment Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Oceanic Abstracts</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Canadian Business & Current Affairs Database</collection><collection>Canadian Business & Current Affairs Database (Alumni Edition)</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection (ProQuest)</collection><collection>Natural Science Collection</collection><collection>Earth, Atmospheric & Aquatic Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>ProQuest Central Student</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>SciTech Premium Collection</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>ProQuest Engineering Collection</collection><collection>CBCA Reference & Current Events</collection><collection>Engineering Database</collection><collection>Environmental Science Database</collection><collection>Earth, Atmospheric & Aquatic Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Engineering Collection</collection><collection>Environmental Science Collection</collection><collection>ProQuest Central Basic</collection><collection>SIRS Editorial</collection><collection>Environment Abstracts</collection><collection>Ecology Abstracts</collection><collection>Pollution Abstracts</collection><jtitle>Arctic</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>O'Hara, Todd M.</au><au>Dasher, Doug</au><au>George, John C.</au><au>Woshner, Victoria</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Radionuclide Levels in Caribou of Northern Alaska in 1995-96</atitle><jtitle>Arctic</jtitle><date>1999-09-01</date><risdate>1999</risdate><volume>52</volume><issue>3</issue><spage>279</spage><epage>288</epage><pages>279-288</pages><issn>0004-0843</issn><eissn>1923-1245</eissn><abstract>Caribou (Rangifer tarandus) were sampled (1995-96) from a mortality event near the Project Chariot site (the location of a radiotracer experiment in northwestern Alaska during the 1960s) and reference sites. Radionuclide levels in muscle and bone and the cause(s) of the mortality were determined because of local residents' concerns. Bone gross alpha mean activity (n = 65) was 130.0 Bq/kg, and varied significantly (p < 0.01) from 73.3 to 168.0 Bq/kg among locations. Bone gross beta mean activity was 510.4, and muscle gross beta mean activity was 9.78 Bq/kg. Bone strontium-90 mean activity (n = 58) was 137.8 Bq/kg. Muscle potassium-40 mean activity (n = 65) was 83.0 Bq/kg, and varied significantly from 76.0 to 104.4 Bq/kg among locations. Muscle cesium-137 mean activity (n = 65) was 6.67 Bq/kg, ranged significantly from 0.74 to 15.6 Bq/kg by location, and increased with increasing body condition score. Bone potassium-40 mean activity ranged from 18.9 to 47.4 Bq/kg, and muscle strontium-90 ranged from 8.89 to 20.0 Bq/kg. Radionuclide concentrations were at expected levels. In some cases, they were low compared to those in Canadian caribou studies. /// En 1995 et 1996, on a prélevé des échantillons de caribou (Rangifer tarandus) morts accidentellement près de l'emplacement du projet Chariot (N.-O. de l'Alaska), sur les lieux d'une expérience menée avec des radiotraceurs dans les années 1960 et sur des lieux de référence. On a déterminé les niveaux de radionucléides dans les muscles et les os ainsi que la ou les causes de mortalité afin de répondre aux questions que se posaient les résidents de la région. La radioactivité moyenne brute alpha dans les tissus osseux (n = 65) était de 130,0 Bq/kg, et variait largement (p < 0,01), de 73,3 à 168,0 Bq/kg selon les emplacements. La radioactivité moyenne brute bêta dans les tissus osseux était de 510,4 et celle dans les tissus musculaires était de 9,78 Bq/kg. La radioactivité moyenne du strontium 90 (n = 58) était de 137,8 Bq/kg. La radioactivité moyenne du potassium 40 (n = 65) dans les tissus musculaires était de 83,0 Bq/kg, et elle variait largement, de 76,0 à 104,4 Bq/kg selon les emplacements. La radioactivité moyenne du césium 137 (n = 65) dans les tissus musculaires était de 6,67 Bq/kg et variait largement, de 0,74 à 15,6 Bq/kg selon l'emplacement; son augmentation suivait celle de la cote de l'état du corps. La radioactivité moyenne du potassium 40 dans les tissus osseux allait de 18,9 à 47,4 Bq/kg, et celle du strontium 90 dans les tissus musculaires allait de 8,89 à 20,0 Bq/kg. Les niveaux de concentration en radionucléides étaient ceux auxquels on s'attendait. Dans certains cas, ils étaient bas, par rapport à ceux d'études canadiennes sur le caribou.</abstract><cop>Calgary</cop><pub>The Arctic Institute of North America</pub><tpages>10</tpages></addata></record> |
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subjects | Alaska Body condition Bone marrow Bones Boroughs Caribou Caribous Cesium Cesium radioisotopes Chariots Health aspects Health risks Hope Lichens Mortality Muscles Nuclear accidents & safety Nuclear power plants Nutrition Polonium Radiation Radioactive fallout Radioactive pollution Radioactive tracers Radionuclides Rangifer tarandus Reindeer Strontium Strontium radioisotopes USA, Alaska USA, Alaska, Northern |
title | Radionuclide Levels in Caribou of Northern Alaska in 1995-96 |
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