Influence of submarine groundwater discharge on (210)Po and (210)Pb bioaccumulation in fish tissues.
Identifieur interne : 003185 ( Ncbi/Curation ); précédent : 003184; suivant : 003186Influence of submarine groundwater discharge on (210)Po and (210)Pb bioaccumulation in fish tissues.
Auteurs : J. Garcia-Orellana [Espagne] ; E. L Pez-Castillo [Espagne] ; N. Casacuberta [Suisse] ; V. Rodellas [France] ; P. Masqué [Australie] ; G. Carmona-Catot [Espagne] ; M. Vilarrasa [Espagne] ; E. García-Berthou [Espagne]Source :
- Journal of environmental radioactivity [ 1879-1700 ] ; 2016.
Descripteurs français
- KwdFr :
- Animaux, Branchies (métabolisme), Carpes (poisson) (métabolisme), Contrôle des radiations, Espagne, Hépatopancréas (métabolisme), Mer Méditerranée, Nappe phréatique (), Polluants radioactifs de l'eau (analyse), Polluants radioactifs de l'eau (pharmacocinétique), Polonium (analyse), Polonium (pharmacocinétique), Radio-isotopes du plomb (analyse), Radio-isotopes du plomb (pharmacocinétique), Rein (métabolisme), Tube digestif (métabolisme), Zones humides.
- MESH :
- analyse : Polluants radioactifs de l'eau, Polonium, Radio-isotopes du plomb.
- métabolisme : Branchies, Carpes (poisson), Hépatopancréas, Rein, Tube digestif.
- pharmacocinétique : Polluants radioactifs de l'eau, Polonium, Radio-isotopes du plomb.
- Animaux, Contrôle des radiations, Espagne, Mer Méditerranée, Nappe phréatique, Zones humides.
English descriptors
- KwdEn :
- Animals, Carps (metabolism), Gastrointestinal Tract (metabolism), Gills (metabolism), Groundwater (chemistry), Hepatopancreas (metabolism), Kidney (metabolism), Lead Radioisotopes (analysis), Lead Radioisotopes (pharmacokinetics), Mediterranean Sea, Polonium (analysis), Polonium (pharmacokinetics), Radiation Monitoring, Spain, Water Pollutants, Radioactive (analysis), Water Pollutants, Radioactive (pharmacokinetics), Wetlands.
- MESH :
- chemical , analysis : Lead Radioisotopes, Polonium, Water Pollutants, Radioactive.
- chemistry : Groundwater.
- metabolism : Carps, Gastrointestinal Tract, Gills, Hepatopancreas, Kidney.
- chemical , pharmacokinetics : Lead Radioisotopes, Polonium, Water Pollutants, Radioactive.
- Animals, Mediterranean Sea, Radiation Monitoring, Spain, Wetlands.
Abstract
This study presents the results of the accumulation of (210)Po and (210)Pb in fish tissues and organs in a brackish-water marshland that is characterized by high concentrations of (222)Rn and (226)Ra supplied by submarine groundwater discharge (SGD). Tissues and organs from Cyprinus carpio, Chelon labrosus and Carassius auratus in the wetland were significantly enriched by both (210)Pb and (210)Po (up to 55 and 66 times, respectively) compared to blanks. The major input route of (210)Pb and (210)Po into the fish body seems to be through ingestion, due to the high levels of (210)Pb and (210)Po found in the gut content as well as in organs involved in digestion and metabolism (i.e. gut, kidney and hepatopancreas). Results showed that (210)Po was more accumulated in all fish tissues and organs except for the spine, which showed a higher affinity for (210)Pb, due to its capacity to replace Ca from apatite in bones. Over all the variables analyzed, fish tissues/organs and, secondarily, fish species were the most important factors explaining the concentration of radionuclides, whereas fish length and the sampling location played a minor role. The relationship of the two radionuclides varied markedly among tissues and their concentration levels were only correlated in gills, gut and, marginally, in spines. In general, the highest values of (210)Pb and (210)Po concentrations in tissues were found on C. labrosus tissues rather C. auratus and C. carpio. This study demonstrates that inputs of natural radionuclides supplied by SGD to coastal semi-enclosed areas (such as marshlands, lagoons or ponds) may significantly increase the contents of (210)Pb and (210)Po in fish tissues/organs. Thus, this study represents one of the first evidences of direct ecological effects derived from SGD.
DOI: 10.1016/j.jenvrad.2016.02.005
PubMed: 26913976
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<author><name sortKey="Masque, P" sort="Masque, P" uniqKey="Masque P" first="P" last="Masqué">P. Masqué</name>
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<country xml:lang="fr">Australie</country>
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<author><name sortKey="Carmona Catot, G" sort="Carmona Catot, G" uniqKey="Carmona Catot G" first="G" last="Carmona-Catot">G. Carmona-Catot</name>
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<author><name sortKey="Vilarrasa, M" sort="Vilarrasa, M" uniqKey="Vilarrasa M" first="M" last="Vilarrasa">M. Vilarrasa</name>
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<country xml:lang="fr">Espagne</country>
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<author><name sortKey="Garcia Berthou, E" sort="Garcia Berthou, E" uniqKey="Garcia Berthou E" first="E" last="García-Berthou">E. García-Berthou</name>
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<series><title level="j">Journal of environmental radioactivity</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals</term>
<term>Carps (metabolism)</term>
<term>Gastrointestinal Tract (metabolism)</term>
<term>Gills (metabolism)</term>
<term>Groundwater (chemistry)</term>
<term>Hepatopancreas (metabolism)</term>
<term>Kidney (metabolism)</term>
<term>Lead Radioisotopes (analysis)</term>
<term>Lead Radioisotopes (pharmacokinetics)</term>
<term>Mediterranean Sea</term>
<term>Polonium (analysis)</term>
<term>Polonium (pharmacokinetics)</term>
<term>Radiation Monitoring</term>
<term>Spain</term>
<term>Water Pollutants, Radioactive (analysis)</term>
<term>Water Pollutants, Radioactive (pharmacokinetics)</term>
<term>Wetlands</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr"><term>Animaux</term>
<term>Branchies (métabolisme)</term>
<term>Carpes (poisson) (métabolisme)</term>
<term>Contrôle des radiations</term>
<term>Espagne</term>
<term>Hépatopancréas (métabolisme)</term>
<term>Mer Méditerranée</term>
<term>Nappe phréatique ()</term>
<term>Polluants radioactifs de l'eau (analyse)</term>
<term>Polluants radioactifs de l'eau (pharmacocinétique)</term>
<term>Polonium (analyse)</term>
<term>Polonium (pharmacocinétique)</term>
<term>Radio-isotopes du plomb (analyse)</term>
<term>Radio-isotopes du plomb (pharmacocinétique)</term>
<term>Rein (métabolisme)</term>
<term>Tube digestif (métabolisme)</term>
<term>Zones humides</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Lead Radioisotopes</term>
<term>Polonium</term>
<term>Water Pollutants, Radioactive</term>
</keywords>
<keywords scheme="MESH" qualifier="analyse" xml:lang="fr"><term>Polluants radioactifs de l'eau</term>
<term>Polonium</term>
<term>Radio-isotopes du plomb</term>
</keywords>
<keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Groundwater</term>
</keywords>
<keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Carps</term>
<term>Gastrointestinal Tract</term>
<term>Gills</term>
<term>Hepatopancreas</term>
<term>Kidney</term>
</keywords>
<keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Branchies</term>
<term>Carpes (poisson)</term>
<term>Hépatopancréas</term>
<term>Rein</term>
<term>Tube digestif</term>
</keywords>
<keywords scheme="MESH" qualifier="pharmacocinétique" xml:lang="fr"><term>Polluants radioactifs de l'eau</term>
<term>Polonium</term>
<term>Radio-isotopes du plomb</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="pharmacokinetics" xml:lang="en"><term>Lead Radioisotopes</term>
<term>Polonium</term>
<term>Water Pollutants, Radioactive</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Animals</term>
<term>Mediterranean Sea</term>
<term>Radiation Monitoring</term>
<term>Spain</term>
<term>Wetlands</term>
</keywords>
<keywords scheme="MESH" xml:lang="fr"><term>Animaux</term>
<term>Contrôle des radiations</term>
<term>Espagne</term>
<term>Mer Méditerranée</term>
<term>Nappe phréatique</term>
<term>Zones humides</term>
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<front><div type="abstract" xml:lang="en">This study presents the results of the accumulation of (210)Po and (210)Pb in fish tissues and organs in a brackish-water marshland that is characterized by high concentrations of (222)Rn and (226)Ra supplied by submarine groundwater discharge (SGD). Tissues and organs from Cyprinus carpio, Chelon labrosus and Carassius auratus in the wetland were significantly enriched by both (210)Pb and (210)Po (up to 55 and 66 times, respectively) compared to blanks. The major input route of (210)Pb and (210)Po into the fish body seems to be through ingestion, due to the high levels of (210)Pb and (210)Po found in the gut content as well as in organs involved in digestion and metabolism (i.e. gut, kidney and hepatopancreas). Results showed that (210)Po was more accumulated in all fish tissues and organs except for the spine, which showed a higher affinity for (210)Pb, due to its capacity to replace Ca from apatite in bones. Over all the variables analyzed, fish tissues/organs and, secondarily, fish species were the most important factors explaining the concentration of radionuclides, whereas fish length and the sampling location played a minor role. The relationship of the two radionuclides varied markedly among tissues and their concentration levels were only correlated in gills, gut and, marginally, in spines. In general, the highest values of (210)Pb and (210)Po concentrations in tissues were found on C. labrosus tissues rather C. auratus and C. carpio. This study demonstrates that inputs of natural radionuclides supplied by SGD to coastal semi-enclosed areas (such as marshlands, lagoons or ponds) may significantly increase the contents of (210)Pb and (210)Po in fish tissues/organs. Thus, this study represents one of the first evidences of direct ecological effects derived from SGD.</div>
</front>
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