EMODnet product catalogue
Seafloor litter - Composition of litter according to material categories in percent per trawl 2007/2024 v2025
This visualization product displays the marine litter material categories percentage per trawl.
EMODnet Chemistry included the collection of marine litter in its 3rd phase. Since the beginning of 2018, data of seafloor litter collected by international fish-trawl surveys have been gathered and processed in the EMODnet Chemistry Marine Litter Database (MLDB).
The harmonization of all the data has been the most challenging task considering the heterogeneity of the data sources, sampling protocols (OSPAR and MEDITS protocols) and reference lists used on a European scale. Moreover, within the same protocol, different gear types are deployed during bottom trawl surveys.
Unlike other EMODnet seafloor litter products, all trawls surveyed since 2007 are included in this map even if the wingspread and/or the distance are/is unknown.
Only surveys with an unknown number of items were excluded from this product.
Harmonization of the material categories between ICES and MEDITS lists was performed and the following calculation was applied:
Material % = (∑Number of items of each material category*100)/(∑Number of items of all material categories)
More information on data processing and calculation are detailed in the attached document.
Warning: the absence of data on the map does not necessarily mean that they do not exist, but that no information has been entered in the Marine Litter Database for this area.
Simple
- Alternate title
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sl_materialcategories
- Date (Creation)
- 2025-01-27T00:00:00+01:00
- Edition
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1.0
- Citation identifier
- DOI:10.13120/9fb336e4-7df6-4c1b-b3b7-e0f6eb747aa9
- Credit
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EMODnet Chemistry
Point of contact
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Thèmes Sextant
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/Human Activities/Pollution
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- Theme
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EMODnet Chemistry
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Mission Atlantic - Resources
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Data
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Mission Atlantic - Case Studies
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Celtic Seas
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Mission Atlantic - Work Package
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WP4 Benthic Mapping
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Mission Atlantic - BODC Parameters
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/Environment/Pollution
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Mission Atlantic - Data type (DMP)
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Spatial data products
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Ocean Hackathon - City and challenge
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/Boulogne-sur-Mer/BOL02
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/Boulogne-sur-Mer/BOL04
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/Peniche/PEN01
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/Boulogne-sur-Mer/BOL06
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/La Rochelle/LAR01
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/Kuala Lumpur/KUL08
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/Concepción/CON06
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/Bournemouth/BOR01
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/Brest
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/Boulogne-sur-Mer
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/Toulon
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/Plymouth
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/Bournemouth
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/La Rochelle
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/Cherbourg
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- Use limitation
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CC BY 4.0: https://creativecommons.org/licenses/by/4.0/
- Access constraints
- unrestricted
- Use constraints
- Other restrictions
- Other constraints
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Usage is subject to mandatory citation: "This resource was generated in the framework of EMODnet Chemistry, under the support of DG MARE Call for Tender EASME/EMFF/2020/3.1.11/European Marine Observation and Data Network (EMODnet) - Lot 5 - Chemistry"
- Spatial representation type
- Vector
- Language
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eng
- Topic category
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- Oceans
- Description
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bounding box
))
- Begin date
- 2007-10-02
- End date
- 2024-03-21
Vertical extent
- Minimum value
- -1332
- Maximum value
- -5
- Reference system identifier
- EPSG / WGS 84 (EPSG:4326)
- Geometric object type
- Point
- Distribution format
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Name Version
- OnLine resource
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Protocol Linkage Name OGC:WMS
https://sextant.ifremer.fr/services/wms/emodnet_chemistry2 sl_materialcategories
WWW:LINK
https://sextant.ifremer.fr/documentation/emodnet_chemistry/document/Field_description/SL_field_description_materialcategories.xlsx Description of the layer's fields
WWW:DOWNLOAD
https://sextant.ifremer.fr/sextant_data/EMODNET/CHEMISTRY/MARINE_LITTER/2025/sl_materialcategories.zip Direct Download
WWW:LINK
https://emodnet.ec.europa.eu/geoviewer/ EMODnet Map Viewer
WWW:LINK
https://doi.org/10.13120/c622d045-94ed-4b6a-9c78-404e86b8b9a3.v1 Visualization products for seafloor litter data
WWW:LINK
https://dx.doi.org/10.6092/15c0d34c-a01a-4091-91ac-7c4f561ab508 Guidelines and forms for gathering marine litter data
DOI
https://doi.org/10.13120/9fb336e4-7df6-4c1b-b3b7-e0f6eb747aa9 Digital Object Identifier (DOI)
- Hierarchy level
- Series
Conformance result
- Title
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COMMISSION REGULATION (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services
- Date (Publication)
- 2010-12-08
- Explanation
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See the referenced specification
- Statement
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The original datasets can be searched and downloaded from EMODnet Chemistry Chemistry CDI Data and Discovery Access Service: https://cdi-chemistry.seadatanet.org/search
Metadata
- File identifier
- 9fb336e4-7df6-4c1b-b3b7-e0f6eb747aa9 XML
- Metadata language
- English
- Character set
- UTF8
- Hierarchy level
- Series
- Hierarchy level name
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Product record
- Date stamp
- 2025-04-25T07:57:39.222072Z
- Metadata standard name
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ISO 19115:2003/19139 - EMODNET - SDN
- Metadata standard version
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1.0
- Metadata author
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Organisation name Individual name Electronic mail address Role EMODnet Chemistry
Point of contact
)))
