Radionuclide (226Ra, 232Th, 40K) accumulation among plant species in mangrove ecosystems of Pattani Bay, Thailand
Little is known regarding phytoremediation of radionuclides from soil; even less is known about radionuclide contamination and removal in tropical ecosystems such as mangrove forests. In mangrove forests in Pattani Bay, Thailand, 18 plant species from 17 genera were evaluated for radionuclide concen...
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| Veröffentlicht in: | Marine pollution bulletin 2017-02, Vol.115 (1-2), p.391-400 |
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| creator | Kaewtubtim, Pungtip Meeinkuirt, Weeradej Seepom, Sumalee Pichtel, John |
| description | Little is known regarding phytoremediation of radionuclides from soil; even less is known about radionuclide contamination and removal in tropical ecosystems such as mangrove forests. In mangrove forests in Pattani Bay, Thailand, 18 plant species from 17 genera were evaluated for radionuclide concentrations within selected plant parts. Two shrub species, Avicennia marina and Pluchea indica, accumulated the highest 232Th (24.6Bqkg−1) and 40K (220.7Bqkg−1) activity concentrations in roots, respectively. Furthermore, the aquatic species Typha angustifolia accumulated highest 232Th, 40K and 226Ra activity concentrations (85.2, 363.5, 16.6Bqkg−1, respectively) with the highest transfer factors (TFs) (3.0, 2.0, 5.9, respectively) in leaves. Leaves of T. angustifolia had an absorbed dose rate in air (D) over the recommended value (74.8nGyh−1) that was considered sufficiently high to be of concern for human consumption. |
| doi_str_mv | 10.1016/j.marpolbul.2016.12.050 |
| format | Article |
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In mangrove forests in Pattani Bay, Thailand, 18 plant species from 17 genera were evaluated for radionuclide concentrations within selected plant parts. Two shrub species, Avicennia marina and Pluchea indica, accumulated the highest 232Th (24.6Bqkg−1) and 40K (220.7Bqkg−1) activity concentrations in roots, respectively. Furthermore, the aquatic species Typha angustifolia accumulated highest 232Th, 40K and 226Ra activity concentrations (85.2, 363.5, 16.6Bqkg−1, respectively) with the highest transfer factors (TFs) (3.0, 2.0, 5.9, respectively) in leaves. Leaves of T. angustifolia had an absorbed dose rate in air (D) over the recommended value (74.8nGyh−1) that was considered sufficiently high to be of concern for human consumption.</description><subject>Asteraceae - chemistry</subject><subject>Avicennia - chemistry</subject><subject>Bays</subject><subject>Ecosystem</subject><subject>Mangrove</subject><subject>Pattani Bay</subject><subject>Phytostabilization</subject><subject>Plant Leaves - chemistry</subject><subject>Plant Roots - chemistry</subject><subject>Radioisotopes - analysis</subject><subject>Radiological hazard index</subject><subject>Radionuclide</subject><subject>Thailand</subject><subject>Transfer factor</subject><subject>Typhaceae - chemistry</subject><issn>0025-326X</issn><issn>1879-3363</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkE1P3DAQhq2qqCy0f6H1kUqbMLbXcXIE1NIKJCq0lXqzHHsMXiVxiBOk_fc1Wsq1p5FGzzsfDyFfGJQMWHW-K3szjbFrl67kuVEyXoKEd2TFatUUQlTiPVkBcFkIXv05Jicp7QBAccU-kGNeA-NK1CvydG9ciMNiu-CQnnFe3Zs15YJvH9d0AzdfqbF26ZfOzBmjpo_DAx07M8w0jWgDJhoG2pvhYYrPSNHGtE8z9olGT3-ZeTZDoJdmv6bbRxNyzn0kR950CT-91lPy-_u37dWP4vbu-ufVxW1hhWJzIXzVtFzU3teNEJCvYMo2ngMysJVsFdbWG99uLGtQNh4QXNtWEiV3TqhGnJKzw9xxik8Lpln3IVns8g0Yl6RZLRslJRObjKoDaqeY0oRej1PIgveagX7xrXf6zbd-8a0Z19l3Tn5-XbK0Pbq33D_BGbg4AJhffQ446ZSlDRZdmNDO2sXw3yV_ASFvlXo</recordid><startdate>20170215</startdate><enddate>20170215</enddate><creator>Kaewtubtim, Pungtip</creator><creator>Meeinkuirt, Weeradej</creator><creator>Seepom, Sumalee</creator><creator>Pichtel, John</creator><general>Elsevier Ltd</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20170215</creationdate><title>Radionuclide (226Ra, 232Th, 40K) accumulation among plant species in mangrove ecosystems of Pattani Bay, Thailand</title><author>Kaewtubtim, Pungtip ; Meeinkuirt, Weeradej ; Seepom, Sumalee ; Pichtel, John</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c371t-3f69b238ff89330acc17c9f20e10c65b7e8cfafb4c19e59f0e0dbb65e52dd3793</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Asteraceae - chemistry</topic><topic>Avicennia - chemistry</topic><topic>Bays</topic><topic>Ecosystem</topic><topic>Mangrove</topic><topic>Pattani Bay</topic><topic>Phytostabilization</topic><topic>Plant Leaves - chemistry</topic><topic>Plant Roots - chemistry</topic><topic>Radioisotopes - analysis</topic><topic>Radiological hazard index</topic><topic>Radionuclide</topic><topic>Thailand</topic><topic>Transfer factor</topic><topic>Typhaceae - chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kaewtubtim, Pungtip</creatorcontrib><creatorcontrib>Meeinkuirt, Weeradej</creatorcontrib><creatorcontrib>Seepom, Sumalee</creatorcontrib><creatorcontrib>Pichtel, John</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Marine pollution bulletin</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kaewtubtim, Pungtip</au><au>Meeinkuirt, Weeradej</au><au>Seepom, Sumalee</au><au>Pichtel, John</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Radionuclide (226Ra, 232Th, 40K) accumulation among plant species in mangrove ecosystems of Pattani Bay, Thailand</atitle><jtitle>Marine pollution bulletin</jtitle><addtitle>Mar Pollut Bull</addtitle><date>2017-02-15</date><risdate>2017</risdate><volume>115</volume><issue>1-2</issue><spage>391</spage><epage>400</epage><pages>391-400</pages><issn>0025-326X</issn><eissn>1879-3363</eissn><abstract>Little is known regarding phytoremediation of radionuclides from soil; even less is known about radionuclide contamination and removal in tropical ecosystems such as mangrove forests. In mangrove forests in Pattani Bay, Thailand, 18 plant species from 17 genera were evaluated for radionuclide concentrations within selected plant parts. Two shrub species, Avicennia marina and Pluchea indica, accumulated the highest 232Th (24.6Bqkg−1) and 40K (220.7Bqkg−1) activity concentrations in roots, respectively. Furthermore, the aquatic species Typha angustifolia accumulated highest 232Th, 40K and 226Ra activity concentrations (85.2, 363.5, 16.6Bqkg−1, respectively) with the highest transfer factors (TFs) (3.0, 2.0, 5.9, respectively) in leaves. Leaves of T. angustifolia had an absorbed dose rate in air (D) over the recommended value (74.8nGyh−1) that was considered sufficiently high to be of concern for human consumption.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>28012738</pmid><doi>10.1016/j.marpolbul.2016.12.050</doi><tpages>10</tpages></addata></record> |
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| identifier | ISSN: 0025-326X |
| ispartof | Marine pollution bulletin, 2017-02, Vol.115 (1-2), p.391-400 |
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| language | eng |
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| source | MEDLINE; Access via ScienceDirect (Elsevier) |
| subjects | Asteraceae - chemistry Avicennia - chemistry Bays Ecosystem Mangrove Pattani Bay Phytostabilization Plant Leaves - chemistry Plant Roots - chemistry Radioisotopes - analysis Radiological hazard index Radionuclide Thailand Transfer factor Typhaceae - chemistry |
| title | Radionuclide (226Ra, 232Th, 40K) accumulation among plant species in mangrove ecosystems of Pattani Bay, Thailand |
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