Seafloor litter - Fishing related items density (Nb. Items/km²)

This visualization product displays fishing related items density per trawl per year.

EMODnet Chemistry included the gathering 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 fishing bottom trawl surveys.

Densities have been calculated on each trawl and year using the following computation: Density of fishing related items (number of items per Km²) = (∑number of fishing related items)/(Swept area)

Percentiles 50, 75 & 95 have been calculated taking into account data from all years.

Fishing related items reference codes taken into account for this product and information on data processing and calculation are detailed in the document attached p22.

Dataset extent

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  • sl_fishingWMS

    Seabed litter - Fishing related items density (Nb. Items/km2)

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  • sl_fishing

    Seabed litter - Fishing related items density (Nb. Items/km2)

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Geonetwork Links
Field Value
Additional Info
Field Value
access_constraints ["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/2016/006 - lot4.\""]
bbox-east-long 22.2
bbox-north-lat 61.756
bbox-south-lat 36.0183
bbox-west-long -15.397
[{"type": "creation", "value": "2019-03-05"}]
graphic-preview-description seabed_fishing.JPG
GUID e410bd8c-ad38-482b-8a76-d867a40746fc
licence []
metadata-date 2019-07-11T10:07:57
metadata-language eng
point_of_contact 1
point_of_contact 2
point_of_contact 3
point_of_contact 4
resource-type series
[{"name": "IFREMER / STATION DE SETE", "roles": ["originator"]}, {"name": "IFREMER / IDM / SISMER - Scientific Information Systems for the SEA", "roles": ["resourceProvider"]}, {"name": "UNKNOWN", "roles": ["originator"]}, {"name": "National Institute for Marine Research and Development \"Grigore Antipa\"", "roles": ["originator"]}, {"name": "OGS (Istituto Nazionale di Oceanografia e di Geofisica Sperimentale), Division of Oceanography", "roles": ["resourceProvider"]}, {"name": "Ifremer / VIGIES (Information Valuation Service for Integrated Management and Monitoring)", "roles": ["resourceProvider"]}]
{"type": "Polygon", "coordinates": [[[-15.397, 36.0183], [22.2, 36.0183], [22.2, 61.756], [-15.397, 61.756], [-15.397, 36.0183]]]}
spatial-reference-system WGS 84 (EPSG 4326)
spatial_harvester true
system:type Series
temporal-extent-begin 2006-10-01
temporal-extent-end 2018-08-16
topic_category oceans
Management Info
Field Value
Author EMODnet Chemistry
Maintainer iMarine Catalogue Manager
Last Updated 12 December 2019, 19:48 (CET)
Created 12 December 2019, 19:48 (CET)