Marine_Scotland_FishDAC_1265
eng
dataset
Marine Scotland
+44 (0)1224 876 544
enquiries@marlab.ac.uk
pointOfContact
2014-04-30
MEDIN Discovery Metadata
Version 2.3.7
WGS84
OGP
FishDAC: Commercial and Non-commercial Fish and Shellfish Discards (Observer Programme) Scotland
Fish and Shellfish Discards (Observer Programme)
Observer Programme
1900-01-01
publication
Marine_Scotland_FishDAC_1265
The observer programme (previously referred to as discard programme) commenced in 1975 as a result of an ICES resolution (ICES Council Resolution 1975/4:22) which stressed the importance of the collection of discard data as an aid to improving the assessment of fish stocks.
Data on fish discarded at sea are collected aboard commercial fishing vessels. The original aim of the sampling scheme was to sample each of the main sea areas (as per ICES regions) once per quarterly period for the five main gears - heavy trawl, seine net, light trawl, pair trawl and Nephrops trawl. However, this is continually being revised in light of changes to fishing patterns and also changes in effort by gear types.
Marine Scotland
+44 (0)1224 876 544
Marine Scotland Science, Marine Laboratory, 375 Vcitoria Road
Aberdeen
AB11 9DB
United Kingdom
enquiries@marlab.ac.uk
pointOfContact
Marine Scotland
+44 (0)1224 876 544
Marine Scotland Science, Marine Laboratory, 375 Vcitoria Road
Aberdeen
AB11 9DB
United Kingdom
enquiries@marlab.ac.uk
originator
Kunzlik, Philip
Marine Scotland
+44 (0)1224 876 544
Marine Scotland Science, Marine Laboratory, 375 Vcitoria Road
Aberdeen
AB11 9DB
United Kingdom
enquiries@marlab.ac.uk
custodian
Rasmussen, Jens
Marine Scotland
+44 (0)1224 876 544
Marine Scotland Science, Marine Laboratory, 375 Vcitoria Road
Aberdeen
AB11 9DB
United Kingdom
enquiries@marlab.ac.uk
custodian
unknown
Marine Environmental Data and Information Network
Fish and shellfish catch statistics
Fish morphology, age and physiology
Fish taxonomy-related counts
BODC Parameter Discovery Vocabulary
2011-03-25
revision
Open Government License (http://www.nationalarchives.gov.uk/doc/open-government-licence/)
license
55000.00
eng
farming
environment
-15
2
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SeaDataNet vertical extent keywords
2010-01-01
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The water column zone in which for clear water there is adequate light for photosynthesis. Typically from the surface down to a depth of approximately 200 metres.
SeaDataNet vertical extent keywords
2010-01-01
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The water column zone penetrated by light, but in insufficient quantities for photosynthesis. Typically between depths of approximately 200 metres and 1000 metres.
1975-01-01
2016-11-07
http://www.scotland.gov.uk/Resource/Doc/295194/0099723.pdf
Reference info #0
download
http://www.scotland.gov.uk/Topics/marine/Sea-Fisheries/19213/discards
Reference info #1
download
Database - - Database Tables
dataset
During an observer trip the following data are collected from EACH haul:
1.An estimate of the quantity discarded.
2.Length frequency distribution of discarded fish.
3.Otoliths for age determination.
4.Landings statistics and landings measurements.
5.Miscellaneous information.
Monitoring includes:
- Commercial and non-commercial fish and shellfish (bycatch) - biological data. Observer sampling by species / vessel / gear type / ICES Stat Square
- Commercial and non-commercial fish and shellfish - distribution , abundance and biological data. Research vessel surveys and sampling.