30995e27b7fbdc937a7f3aeb93125af6 English dataset Devon and Severn IFCA Devon and Severn Inshore Fisheries and Conservation Authority office@devonandsevernifca.gov.uk pointOfContact 2022-07-22 MEDIN Discovery metadata standard 2.3.8 urn:ogc:def:crs:EPSG::4326 Exe Estuary Mussel Stock Assessment 2019 2019-12-01 publication EXEMUSSEL2019DSIFCA http://EXEMUSSEL2019DSIFCA Since 2012 Devon and Severn IFCA has carried out stock assessments on the public mussel beds on the Exe Estuary, south Devon. These surveys determine the area of each bed, the density of mussels, the percentage cover, and the estimated stock (in tonnes), and marketable stock (mussels greater than 50mm in length) for each bed, and are used to assess the condition of the bed and whether the bed could support a viable mussel fishery. Devon and Severn IFCA Devon and Severn Inshore Fisheries and Conservation Authority office@devonandsevernifca.gov.uk originator Devon and Severn IFCA Devon and Severn Inshore Fisheries and Conservation Authority office@devonandsevernifca.gov.uk custodian notPlanned Documents Marine Environmental Data and Information Network NDGO0005 Species distribution GEMET - INSPIRE themes, version 1.0 2008-01-06 revision Shellfish abundance and biomass in water bodies SeaDataNet P021 parameter discovery vocabulary 2009-11-16 revision Data available on request otherRestrictions Data available on request English biota SeaDataNet vertical extent keywords 2010-01-01 revision littoral -3.4826 -3.3937 50.5995 50.6642 2019-06-05 2019-11-27 Devon and Severn IFCA Devon and Severn Inshore Fisheries and Conservation Authority office@devonandsevernifca.gov.uk distributor https://www.devonandsevernifca.gov.uk/Resource-library/H-Environment-and-Research A link to the web service or dataset https://www.devonandsevernifca.gov.uk https://www.devonandsevernifca.gov.uk A link to the general host site dataset Data is collected by Devon and Severn IFCA, during March or April each year. Transects are walked across each mussel bed using the Dutch Wand method of surveying, data on the extent of each bed was also used to create GIS layers of the area of the beds. Results are compared to those from previous years.