Low prevalence of microplastic contamination in the bottom sediments and deep-sea waters of the Bransfield strait, Antarctica
Despite the remoteness of the Antarctic continent and Southern Ocean, microplastic (MPs) contamination has been evidenced in recent years. However, the deep-sea compartments of the Southern Ocean are yet to be investigated. In the present study, we conducted a baseline MP assessment of the deep-sea...
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| Veröffentlicht in: | Chemosphere (Oxford) 2024-09, Vol.364, p.143310, Article 143310 |
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| creator | De-la-Torre, Gabriel Enrique Forero López, Ana D. Colombo, Carolina V. Rimondino, Guido N. Malanca, Fabio E. Barahona, Martha Santillán, Luis |
| description | Despite the remoteness of the Antarctic continent and Southern Ocean, microplastic (MPs) contamination has been evidenced in recent years. However, the deep-sea compartments of the Southern Ocean are yet to be investigated. In the present study, we conducted a baseline MP assessment of the deep-sea waters and bottom sediments of the Bransfield Strait, Antarctica. A low abundance of suspected MPs was found. The average MP abundances in bottom sediments and water samples were 0.09 MP/g (range of 0–0.2 MP/g) and 7.00 MP/L (range of 0–16 MP/L), respectively. The majority of the particles were fibers identified as cellulose, although polyethylene terephthalate (PET) and polyacrylonitrile (PAN) was also detected. These results suggest low MP contamination levels in the Southern Ocean's deepest environmental compartments. However, future studies must aim to investigate the smallest MP fractions and, if possible, nanoplastic ( |
| doi_str_mv | 10.1016/j.chemosphere.2024.143310 |
| format | Article |
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[Display omitted]
•Microplastics were investigated in the Bransfield Strait.•There was a low prevalence of microplastic contamination in sediments (0–0.2 MP/g).•as well as water samples (0–16 MP/L).•Particles were mostly in the shape of fibers (100% and 90.5% in sediments and water).•Particles were mainly composed of cellulose (73.3% and 90.9% in sediments and water).</description><identifier>ISSN: 0045-6535</identifier><identifier>ISSN: 1879-1298</identifier><identifier>EISSN: 1879-1298</identifier><identifier>DOI: 10.1016/j.chemosphere.2024.143310</identifier><identifier>PMID: 39265736</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Antarctic ; Plastic ; Sediments ; Subsurface ; Water column</subject><ispartof>Chemosphere (Oxford), 2024-09, Vol.364, p.143310, Article 143310</ispartof><rights>2024 Elsevier Ltd</rights><rights>Copyright © 2024. Published by Elsevier Ltd.</rights><rights>Copyright © 2024 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c1666-7787d0eee6256d0cf3dff28c9c825e1421a844cd68ffafc1a6a6bda6e994aee03</cites><orcidid>0000-0002-0268-2784</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0045653524022082$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/39265736$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>De-la-Torre, Gabriel Enrique</creatorcontrib><creatorcontrib>Forero López, Ana D.</creatorcontrib><creatorcontrib>Colombo, Carolina V.</creatorcontrib><creatorcontrib>Rimondino, Guido N.</creatorcontrib><creatorcontrib>Malanca, Fabio E.</creatorcontrib><creatorcontrib>Barahona, Martha</creatorcontrib><creatorcontrib>Santillán, Luis</creatorcontrib><title>Low prevalence of microplastic contamination in the bottom sediments and deep-sea waters of the Bransfield strait, Antarctica</title><title>Chemosphere (Oxford)</title><addtitle>Chemosphere</addtitle><description>Despite the remoteness of the Antarctic continent and Southern Ocean, microplastic (MPs) contamination has been evidenced in recent years. However, the deep-sea compartments of the Southern Ocean are yet to be investigated. In the present study, we conducted a baseline MP assessment of the deep-sea waters and bottom sediments of the Bransfield Strait, Antarctica. A low abundance of suspected MPs was found. The average MP abundances in bottom sediments and water samples were 0.09 MP/g (range of 0–0.2 MP/g) and 7.00 MP/L (range of 0–16 MP/L), respectively. The majority of the particles were fibers identified as cellulose, although polyethylene terephthalate (PET) and polyacrylonitrile (PAN) was also detected. These results suggest low MP contamination levels in the Southern Ocean's deepest environmental compartments. However, future studies must aim to investigate the smallest MP fractions and, if possible, nanoplastic (<1 μm) contamination in these remote compartments.
[Display omitted]
•Microplastics were investigated in the Bransfield Strait.•There was a low prevalence of microplastic contamination in sediments (0–0.2 MP/g).•as well as water samples (0–16 MP/L).•Particles were mostly in the shape of fibers (100% and 90.5% in sediments and water).•Particles were mainly composed of cellulose (73.3% and 90.9% in sediments and water).</description><subject>Antarctic</subject><subject>Plastic</subject><subject>Sediments</subject><subject>Subsurface</subject><subject>Water column</subject><issn>0045-6535</issn><issn>1879-1298</issn><issn>1879-1298</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNqNkD1v2zAURYmiReOk_QsBu3WIXFIflDSmRpoEMNClnYln8hGmIZEKH50gQ_57JTgtOmZ6y7n34h3GvkixlkKqb4e12eMYadpjwnUpynot66qS4h1bya7tC1n23Xu2EqJuCtVUzRk7JzoIMYeb_iM7q_pSNW2lVuxlG5_4lPARBgwGeXR89CbFaQDK3nATQ4bRB8g-Bu4Dz3vku5hzHDmh9SOGTByC5RZxKgiBP0HGREvTwn5PEMh5HCynnMDnK349VyYzt8Mn9sHBQPj59V6w3z9ufm3uiu3P2_vN9bYwUilVtG3XWoGIqmyUFcZV1rmyM73pygZlXUro6tpY1TkHzkhQoHYWFPZ9DYiiumBfT71Tig9HpKxHTwaHAQLGI-lZXS2qrpEL2p_QWQJRQqen5EdIz1oKvdjXB_2ffb3Y1yf7c_bydea4G9H-S_7VPQObE4Dzs48ekybjF-_WJzRZ2-jfMPMHIBCfEA</recordid><startdate>20240901</startdate><enddate>20240901</enddate><creator>De-la-Torre, Gabriel Enrique</creator><creator>Forero López, Ana D.</creator><creator>Colombo, Carolina V.</creator><creator>Rimondino, Guido N.</creator><creator>Malanca, Fabio E.</creator><creator>Barahona, Martha</creator><creator>Santillán, Luis</creator><general>Elsevier Ltd</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-0268-2784</orcidid></search><sort><creationdate>20240901</creationdate><title>Low prevalence of microplastic contamination in the bottom sediments and deep-sea waters of the Bransfield strait, Antarctica</title><author>De-la-Torre, Gabriel Enrique ; Forero López, Ana D. ; Colombo, Carolina V. ; Rimondino, Guido N. ; Malanca, Fabio E. ; Barahona, Martha ; Santillán, Luis</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c1666-7787d0eee6256d0cf3dff28c9c825e1421a844cd68ffafc1a6a6bda6e994aee03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Antarctic</topic><topic>Plastic</topic><topic>Sediments</topic><topic>Subsurface</topic><topic>Water column</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>De-la-Torre, Gabriel Enrique</creatorcontrib><creatorcontrib>Forero López, Ana D.</creatorcontrib><creatorcontrib>Colombo, Carolina V.</creatorcontrib><creatorcontrib>Rimondino, Guido N.</creatorcontrib><creatorcontrib>Malanca, Fabio E.</creatorcontrib><creatorcontrib>Barahona, Martha</creatorcontrib><creatorcontrib>Santillán, Luis</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Chemosphere (Oxford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>De-la-Torre, Gabriel Enrique</au><au>Forero López, Ana D.</au><au>Colombo, Carolina V.</au><au>Rimondino, Guido N.</au><au>Malanca, Fabio E.</au><au>Barahona, Martha</au><au>Santillán, Luis</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Low prevalence of microplastic contamination in the bottom sediments and deep-sea waters of the Bransfield strait, Antarctica</atitle><jtitle>Chemosphere (Oxford)</jtitle><addtitle>Chemosphere</addtitle><date>2024-09-01</date><risdate>2024</risdate><volume>364</volume><spage>143310</spage><pages>143310-</pages><artnum>143310</artnum><issn>0045-6535</issn><issn>1879-1298</issn><eissn>1879-1298</eissn><abstract>Despite the remoteness of the Antarctic continent and Southern Ocean, microplastic (MPs) contamination has been evidenced in recent years. However, the deep-sea compartments of the Southern Ocean are yet to be investigated. In the present study, we conducted a baseline MP assessment of the deep-sea waters and bottom sediments of the Bransfield Strait, Antarctica. A low abundance of suspected MPs was found. The average MP abundances in bottom sediments and water samples were 0.09 MP/g (range of 0–0.2 MP/g) and 7.00 MP/L (range of 0–16 MP/L), respectively. The majority of the particles were fibers identified as cellulose, although polyethylene terephthalate (PET) and polyacrylonitrile (PAN) was also detected. These results suggest low MP contamination levels in the Southern Ocean's deepest environmental compartments. However, future studies must aim to investigate the smallest MP fractions and, if possible, nanoplastic (<1 μm) contamination in these remote compartments.
[Display omitted]
•Microplastics were investigated in the Bransfield Strait.•There was a low prevalence of microplastic contamination in sediments (0–0.2 MP/g).•as well as water samples (0–16 MP/L).•Particles were mostly in the shape of fibers (100% and 90.5% in sediments and water).•Particles were mainly composed of cellulose (73.3% and 90.9% in sediments and water).</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>39265736</pmid><doi>10.1016/j.chemosphere.2024.143310</doi><orcidid>https://orcid.org/0000-0002-0268-2784</orcidid></addata></record> |
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| subjects | Antarctic Plastic Sediments Subsurface Water column |
| title | Low prevalence of microplastic contamination in the bottom sediments and deep-sea waters of the Bransfield strait, Antarctica |
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