Persistence of Biogeochemical Alterations of Deep‐Sea Sediments by Bottom Trawling

Persistence of Biogeochemical Alterations of Deep‐Sea Sediments by Bottom Trawling

12 pages, 4 figures, supporting information https://doi.org/10.1029/2020GL091279.-- Data Availability Statement: Data sets for this research are available in Paradis et al. (2020) at https://ddd.uab.cat/record/225679

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Main Authors: Paradis Vilar, Sarah, Goñi, Miguel, Masqué, Pere, Durán, Ruth, Arjona, Marta, Palanques, Albert, Puig, Pere
Other Authors: Ministerio de Economía y Competitividad (España)
Format: artículo biblioteca
Published: American Geophysical Union 2021-01
Online Access:http://hdl.handle.net/10261/239636
http://dx.doi.org/10.13039/501100000923
http://dx.doi.org/10.13039/501100002809
http://dx.doi.org/10.13039/501100003329
http://dx.doi.org/10.13039/501100011033
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spelling dig-icm-es-10261-2396362021-05-01T01:27:45Z Persistence of Biogeochemical Alterations of Deep‐Sea Sediments by Bottom Trawling Paradis Vilar, Sarah Goñi, Miguel Masqué, Pere Durán, Ruth Arjona, Marta Palanques, Albert Puig, Pere Ministerio de Economía y Competitividad (España) Generalitat de Catalunya Australian Research Council Ministerio de Ciencia, Innovación y Universidades (España) Agencia Estatal de Investigación (España) 12 pages, 4 figures, supporting information https://doi.org/10.1029/2020GL091279.-- Data Availability Statement: Data sets for this research are available in Paradis et al. (2020) at https://ddd.uab.cat/record/225679 Bottom trawling grounds have been expanding to deeper areas of the oceans since the mid‐XXth century, and mitigating strategies aimed to protect fish stocks, such as temporal trawling closures, have recently been implemented. Here we investigated the biogeochemical properties of sediment from a deep‐sea trawling ground in Palamós Canyon (NW Mediterranean) to assess the effects of a 2‐months trawling closure in the recovery of sedimentary organic matter. In comparison to untrawled areas, the continuous erosion and sediment mixing in trawling grounds led to coarser reworked sediments impoverished in organic carbon (∼30% loss) and promoted the degradation of labile compounds (52–70% loss). These impacts persisted after the temporal trawling closure, highlighting that this management strategy is insufficient to restore the seafloor. Considering the continuous expansion of bottom trawling grounds, this activity could have significant and irreversible biogeochemical impacts on ocean margins at a global scale, hampering their carbon burial capacity This study was funded by the “Assessment of Bottom‐trawling Impacts in the Deep‐sea Sediments” (ABIDES) Spanish Research Project (CTM2015‐65142‐R). Additional funds were provided by the Generalitat de Catalunya (2017 SGR‐663 and SGR‐1588), by the Australian Research Council LIEF Project (LE170100219) and by the Spanish Research Project ABRIC (RTI2018‐096434‐B‐I00). This work is contributing to the ICTA's “Unit of Excellence” Maria de Maetzu (CEX2019‐000940‐M), and ICM's “Center of Excellence” Severo Ochoa (CEX2019‐000928‐S) 2021-04-30T07:40:10Z 2021-04-30T07:40:10Z 2021-01 2021-04-30T07:40:11Z artículo http://purl.org/coar/resource_type/c_6501 issn: 0094-8276 e-issn: 1944-8007 Geophysical Research Letters 48(2): e2020GL091279 (2021) CEX2019-000928-S http://hdl.handle.net/10261/239636 10.1029/2020GL091279 http://dx.doi.org/10.13039/501100000923 http://dx.doi.org/10.13039/501100002809 http://dx.doi.org/10.13039/501100003329 http://dx.doi.org/10.13039/501100011033 #PLACEHOLDER_PARENT_METADATA_VALUE# #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/CTM2015‐65142‐R) info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/RTI2018‐096434‐B‐I00 Publisher's version https://doi.org/10.1029/2020GL091279 Sí open American Geophysical Union
institution ICM ES
collection DSpace
country España
countrycode ES
component Bibliográfico
access En linea
databasecode dig-icm-es
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region Europa del Sur
libraryname Biblioteca del ICM España
description 12 pages, 4 figures, supporting information https://doi.org/10.1029/2020GL091279.-- Data Availability Statement: Data sets for this research are available in Paradis et al. (2020) at https://ddd.uab.cat/record/225679
author2 Ministerio de Economía y Competitividad (España)
author_facet Ministerio de Economía y Competitividad (España)
Paradis Vilar, Sarah
Goñi, Miguel
Masqué, Pere
Durán, Ruth
Arjona, Marta
Palanques, Albert
Puig, Pere
format artículo
author Paradis Vilar, Sarah
Goñi, Miguel
Masqué, Pere
Durán, Ruth
Arjona, Marta
Palanques, Albert
Puig, Pere
spellingShingle Paradis Vilar, Sarah
Goñi, Miguel
Masqué, Pere
Durán, Ruth
Arjona, Marta
Palanques, Albert
Puig, Pere
Persistence of Biogeochemical Alterations of Deep‐Sea Sediments by Bottom Trawling
author_sort Paradis Vilar, Sarah
title Persistence of Biogeochemical Alterations of Deep‐Sea Sediments by Bottom Trawling
title_short Persistence of Biogeochemical Alterations of Deep‐Sea Sediments by Bottom Trawling
title_full Persistence of Biogeochemical Alterations of Deep‐Sea Sediments by Bottom Trawling
title_fullStr Persistence of Biogeochemical Alterations of Deep‐Sea Sediments by Bottom Trawling
title_full_unstemmed Persistence of Biogeochemical Alterations of Deep‐Sea Sediments by Bottom Trawling
title_sort persistence of biogeochemical alterations of deep‐sea sediments by bottom trawling
publisher American Geophysical Union
publishDate 2021-01
url http://hdl.handle.net/10261/239636
http://dx.doi.org/10.13039/501100000923
http://dx.doi.org/10.13039/501100002809
http://dx.doi.org/10.13039/501100003329
http://dx.doi.org/10.13039/501100011033
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AT duranruth persistenceofbiogeochemicalalterationsofdeepseasedimentsbybottomtrawling
AT arjonamarta persistenceofbiogeochemicalalterationsofdeepseasedimentsbybottomtrawling
AT palanquesalbert persistenceofbiogeochemicalalterationsofdeepseasedimentsbybottomtrawling
AT puigpere persistenceofbiogeochemicalalterationsofdeepseasedimentsbybottomtrawling
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