European Directory of Marine Environmental Data (EDMED)

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Data set name

Shellfish Sampling Results from 3 estuaries draining into Cardigan Bay, Wales (1992-)

Data holding centreGwynedd District Council (Meirionydd area)
CountryUnited Kingdom  United Kingdom
Time periodFrom 1992 onwards
Geographical area

3 estuaries draining into Cardigan Bay, Wales, namely the Dovey (Dyfi), Mawddach and Gaslyn/Dwyryd


Bacteria taxonomic abundance in water bodies; Precipitation and evaporation; Wind strength and direction; Salinity of the water column; Temperature of the water column; Zoobenthos taxonomic abundance; Zoobenthos taxonomy-related counts; Concentration of suspended particulate material in the water column; Sea level


Anemometers; sea level recorders; precipitation samplers; particle sizers; benthos samplers; discrete water samplers; salinity sensor; sediment grabs


Data are collected on a standard format sampling form. The following information is included: site, map reference, sample reference, species, method of collection, state of tide (i.e. spring/neap, incoming/outgoing, time of high water), water temperature, salinity (if applicable), turbidity, wind direction and force in the last 24 hours, rainfall in the last 48 hours, date and time of sample collection, method of storage and temperature during transport, date and time of arrival at laboratory, temperature on arrival at laboratory, examining laboratory, name of sampling officer, laboratory test method, results, date, results forwarded to MAFF and any other relevant information. Microbiological results are for E. Coli, determined by the probable number method (MPN). Analysis is carried out by the Public Health Laboratory Service Laboratories. All data are forwarded to MAFF, Weymouth, Dorset.

OriginatorsGwynedd District Council (Meirionydd area)
OrganisationGwynedd District Council (Meirionydd area)
AvailabilityDistribution cost charge; unrestricted
ContactGwenan Roberts (Sampling Officer)

Gwynedd District Council (Meirionydd area)
Cae Penarlag
LL40 2YB
United Kingdom

Telephone+44 1341 424369
Collating centreBritish Oceanographic Data Centre
Local identifier1035001
Global identifier592
Last revised2010-01-15