Data Portals

DATRAS Documents

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Data formats

Survey reporting formats

DATRAS Litter reporting format

Survey manuals

ICES Library of Survey Protocols

Baltic International Trawl Survey (BITS)

North Sea International Bottom Trawl Survey (NS-IBTS)

International Bott​om Trawl Surveys in the Western and Southern Areas (WS-IBTS)

French Southern Atlantic Bottom Trawl Survey (EVHOE)

Beam Trawl Survey (BTS)

International Deep Pelagic E​​cosystem Survey in the Irminger Sea (IS-IDPS)

Frequently asked questions
Calculation procedures and relevant documents

DATRAS technical description - including indices calculation

Bootstrap calculation procedure

ALK automated substitution description​

IBTS index calculation procedure

Swept area (km2) algorithms​

BITS index calculation procedure

BITS Area Weights

BITS fishing power (TVL)

SWC-IBTS and ROCKALL index calculation procedure (<2011)

​​Swept Area Assessment Output (WKSAE report and advice​)

​Sensitive Species Abundance indices (WKABSENS report and advice)

Sunrise-sunset functions

DATRAS R Resources

Github repository for DATRAS protocols​

DATRAS Workshops
Other documents

Survey descriptions

DATRAS survey area maps

Data submission deadlines


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