Environmental consequences of dredged-material disposal in a recurrent marine dumping area near to Guadalquivir estuary, Spain
In this study we assessed the effects of the recurrent disposal of dredged material from the Guadalquivir estuary (south-western Spain) in a marine disposal area. We analysed shifts in sediment characteristics as well as bioaccumulation and biomagnification of heavy metals through the benthic food w...
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| Veröffentlicht in: | Marine pollution bulletin 2020-12, Vol.161 (Pt A), p.111736, Article 111736 |
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| creator | Donázar-Aramendía, I. Sánchez-Moyano, J.E. García-Asencio, I. Miró, J.M. Megina, C. García-Gómez, J.C. |
| description | In this study we assessed the effects of the recurrent disposal of dredged material from the Guadalquivir estuary (south-western Spain) in a marine disposal area. We analysed shifts in sediment characteristics as well as bioaccumulation and biomagnification of heavy metals through the benthic food web. Results showed that the significant increase in concentration of some heavy metals observed in the marine disposal area after the latest disposal event could be attributed to the deposition of river-dredged sediments. This increase could also explain the decreased amphipod survival in the ecotoxicology analysis. Heavy metal concentrations in organisms indicated some bioaccumulation in deposit feeders and predators but with no clear patterns nor biomagnification through the food web. Hence, combining studies that monitor shifts in sediment characteristics and their possible consequences for the food web seems to be an interesting approach that should be assessed further in this type of studies.
•Recurrent depositions without enough recovery time lead to permanent changes.•Disposal area had coarser grain size, lower organic matter and metal concentration.•The disposal increased the concentration of metals which remained for one year.•Same bioaccumulation patterns were found in the disposal and control areas. |
| doi_str_mv | 10.1016/j.marpolbul.2020.111736 |
| format | Article |
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•Recurrent depositions without enough recovery time lead to permanent changes.•Disposal area had coarser grain size, lower organic matter and metal concentration.•The disposal increased the concentration of metals which remained for one year.•Same bioaccumulation patterns were found in the disposal and control areas.</description><subject>Aquatic crustaceans</subject><subject>Benthos</subject><subject>Bioaccumulation</subject><subject>Biological magnification</subject><subject>Biomagnification</subject><subject>Disposal</subject><subject>Dredged materials</subject><subject>Dumping</subject><subject>Ecotoxicology</subject><subject>Environmental Monitoring</subject><subject>Environmental Sciences</subject><subject>Environmental Sciences & Ecology</subject><subject>Estuaries</subject><subject>Estuarine dynamics</subject><subject>Feeders</subject><subject>Fluvial sediments</subject><subject>Food</subject><subject>Food chains</subject><subject>Food webs</subject><subject>Foods</subject><subject>Geologic Sediments</subject><subject>Guadalquivir</subject><subject>Heavy metals</subject><subject>Life Sciences & Biomedicine</subject><subject>Marine & Freshwater Biology</subject><subject>Metal concentrations</subject><subject>Metals, Heavy - analysis</subject><subject>Ocean dumping</subject><subject>Predators</subject><subject>Rivers</subject><subject>Science & Technology</subject><subject>Sediment</subject><subject>Sediments</subject><subject>Spain</subject><subject>Survival</subject><subject>Toxicity</subject><subject>Trace metals</subject><issn>0025-326X</issn><issn>1879-3363</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>AOWDO</sourceid><sourceid>EIF</sourceid><recordid>eNqNkUtv1DAURi0EokPhL4AllpDBj8SJl9WoFKRKLACJneXYN5VHGTv1o1U3_HY8yjBb8MaWdT5f33MRekfJlhIqPu23Bx2XMI9l3jLC6i2lPRfP0IYOvWw4F_w52hDCuoYz8esCvUppTwjpWU9fogvOSd8JKTbo97V_cDH4A_isZ2yCT3BfwBtIOEzYRrB3YJuDzhBdBaxLS0j14DzWOIIpMdYort9xHrAth8X5O6wjaOxBR5wDvina6vm-uFoJQ8pFx6eP-PuinX-NXkx6TvDmtF-in5-vf-y-NLffbr7urm4bw6XMTW-JbZntmNH9NA5yEJrKkVMxdl0FeCupEZq31poROFAyGiDG8laMbKKD5Jfo_fruEkNtL2W1DyX6WlKxdhhY20vRVapfKRNDShEmtURXO3tSlKijd7VXZ-_q6F2t3mvy7en9Mh7AnnN_RVdgWIFHGMOUjDsqPmN1Mp2UQyvJcXU7l3V2we9C8blGP_x_tNJXKw1V54ODqE4J6-q0srLB_bObP6lfu7E</recordid><startdate>202012</startdate><enddate>202012</enddate><creator>Donázar-Aramendía, I.</creator><creator>Sánchez-Moyano, J.E.</creator><creator>García-Asencio, I.</creator><creator>Miró, J.M.</creator><creator>Megina, C.</creator><creator>García-Gómez, J.C.</creator><general>Elsevier Ltd</general><general>Elsevier</general><general>Elsevier BV</general><scope>AOWDO</scope><scope>BLEPL</scope><scope>DTL</scope><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>7ST</scope><scope>7T7</scope><scope>7TN</scope><scope>7TV</scope><scope>7U7</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>M7N</scope><scope>P64</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0002-3997-0640</orcidid><orcidid>https://orcid.org/0000-0002-8173-6030</orcidid></search><sort><creationdate>202012</creationdate><title>Environmental consequences of dredged-material disposal in a recurrent marine dumping area near to Guadalquivir estuary, Spain</title><author>Donázar-Aramendía, I. ; Sánchez-Moyano, J.E. ; García-Asencio, I. ; Miró, J.M. ; Megina, C. ; García-Gómez, J.C.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c399t-7d0d42d52ca7fb8986a19b316b553993491c6a34ddcbe3e10bce0cd346b2f1893</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Aquatic crustaceans</topic><topic>Benthos</topic><topic>Bioaccumulation</topic><topic>Biological magnification</topic><topic>Biomagnification</topic><topic>Disposal</topic><topic>Dredged materials</topic><topic>Dumping</topic><topic>Ecotoxicology</topic><topic>Environmental Monitoring</topic><topic>Environmental Sciences</topic><topic>Environmental Sciences & Ecology</topic><topic>Estuaries</topic><topic>Estuarine dynamics</topic><topic>Feeders</topic><topic>Fluvial sediments</topic><topic>Food</topic><topic>Food chains</topic><topic>Food webs</topic><topic>Foods</topic><topic>Geologic Sediments</topic><topic>Guadalquivir</topic><topic>Heavy metals</topic><topic>Life Sciences & Biomedicine</topic><topic>Marine & Freshwater Biology</topic><topic>Metal concentrations</topic><topic>Metals, Heavy - analysis</topic><topic>Ocean dumping</topic><topic>Predators</topic><topic>Rivers</topic><topic>Science & Technology</topic><topic>Sediment</topic><topic>Sediments</topic><topic>Spain</topic><topic>Survival</topic><topic>Toxicity</topic><topic>Trace metals</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Donázar-Aramendía, I.</creatorcontrib><creatorcontrib>Sánchez-Moyano, J.E.</creatorcontrib><creatorcontrib>García-Asencio, I.</creatorcontrib><creatorcontrib>Miró, J.M.</creatorcontrib><creatorcontrib>Megina, C.</creatorcontrib><creatorcontrib>García-Gómez, J.C.</creatorcontrib><collection>Web of Science - Science Citation Index Expanded - 2020</collection><collection>Web of Science Core Collection</collection><collection>Science Citation Index Expanded</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Oceanic Abstracts</collection><collection>Pollution Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Marine pollution bulletin</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Donázar-Aramendía, I.</au><au>Sánchez-Moyano, J.E.</au><au>García-Asencio, I.</au><au>Miró, J.M.</au><au>Megina, C.</au><au>García-Gómez, J.C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Environmental consequences of dredged-material disposal in a recurrent marine dumping area near to Guadalquivir estuary, Spain</atitle><jtitle>Marine pollution bulletin</jtitle><stitle>MAR POLLUT BULL</stitle><addtitle>Mar Pollut Bull</addtitle><date>2020-12</date><risdate>2020</risdate><volume>161</volume><issue>Pt A</issue><spage>111736</spage><pages>111736-</pages><artnum>111736</artnum><issn>0025-326X</issn><eissn>1879-3363</eissn><abstract>In this study we assessed the effects of the recurrent disposal of dredged material from the Guadalquivir estuary (south-western Spain) in a marine disposal area. We analysed shifts in sediment characteristics as well as bioaccumulation and biomagnification of heavy metals through the benthic food web. Results showed that the significant increase in concentration of some heavy metals observed in the marine disposal area after the latest disposal event could be attributed to the deposition of river-dredged sediments. This increase could also explain the decreased amphipod survival in the ecotoxicology analysis. Heavy metal concentrations in organisms indicated some bioaccumulation in deposit feeders and predators but with no clear patterns nor biomagnification through the food web. Hence, combining studies that monitor shifts in sediment characteristics and their possible consequences for the food web seems to be an interesting approach that should be assessed further in this type of studies.
•Recurrent depositions without enough recovery time lead to permanent changes.•Disposal area had coarser grain size, lower organic matter and metal concentration.•The disposal increased the concentration of metals which remained for one year.•Same bioaccumulation patterns were found in the disposal and control areas.</abstract><cop>OXFORD</cop><pub>Elsevier Ltd</pub><pmid>33075696</pmid><doi>10.1016/j.marpolbul.2020.111736</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0002-3997-0640</orcidid><orcidid>https://orcid.org/0000-0002-8173-6030</orcidid></addata></record> |
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| subjects | Aquatic crustaceans Benthos Bioaccumulation Biological magnification Biomagnification Disposal Dredged materials Dumping Ecotoxicology Environmental Monitoring Environmental Sciences Environmental Sciences & Ecology Estuaries Estuarine dynamics Feeders Fluvial sediments Food Food chains Food webs Foods Geologic Sediments Guadalquivir Heavy metals Life Sciences & Biomedicine Marine & Freshwater Biology Metal concentrations Metals, Heavy - analysis Ocean dumping Predators Rivers Science & Technology Sediment Sediments Spain Survival Toxicity Trace metals |
| title | Environmental consequences of dredged-material disposal in a recurrent marine dumping area near to Guadalquivir estuary, Spain |
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