2006 - 2006 Centre for Environment, Fisheries & Aquaculture Science (Cefas) Irish Sea Fish Egg Production Survey 2006
This survey series took place from 2006 to 2010 and consisted of 15 voyages. Plankton samples were collected at each site on a planned survey grid. This data consists of the numbers of fish eggs and larvae, along with associated positional data and volumes filtered. A fine mesh (80 micron) 'PUP' sampler, attached to the frame of the Gulf VII sampler, was used to collect plankton samples for analysis of zooplankton species. These were analysed under Cefas contract C3576 and are recorded separately.
dataset
CEFASd6628e0c-eaf8-4a1c-a240-09f2542da024
http://www.cefas.co.uk/
eng
OGP
urn:ogc:def:crs:EPSG::4326
revision
2011-03-25
publication
2008-06-01
-7
-2.5
55
53
revision
2010-05-18
2006-01-08
2006-04-21
publication
2019-10-29
notPlanned
The main aims for these cruises were to; - Conduct a plankton survey using a 76cm Gulf VII plankton sampler to determine the distribution and abundance of cod (- *Gadus Morhua*- )- ,- haddock (- *Melanogrammus aeglefinus*- ), and plaice (- *Pleuronectes platessa*- ) eggs. - Remove stage 1A and 1B gadoid-like eggs from fresh plankton samples at sea. To measure, stage and preserve these eggs in ethanol prior to species identification using a DNA technique on return to the laboratory (CEFAS). **CELTIC VOYAGER Cruise 03/2006:** 81 plankton stations of the original 107 planned were successfully completed. Every Gulf VII plankton sample was taken into the shipboard laboratory, where fish eggs were measured and staged. Those eggs in the size range 1.1 to 1.75mm, and in stage 1, were preserved individually in ethanol. A total of 1653, early stage, cod-sized eggs were removed from the samples for subsequent species identification by DNA sequencing. **CELTIC VOYAGER Cruise 04/2006:** In total 55 plankton stations were sampled. A total of 885 stage I cod-like eggs were sorted at sea, measured, staged and individually fixed in ethanol. An article has been published on this set of surveys, detailed as follows. Irish Sea: the effects of modelling choices and assumptions D.L. Maxwell*, M.J. Armstrong*, S. Beggs and J.N. Aldridge* (2011) Fisheries Research (Special Issue on Egg Production Methods for Estimating Fish Biomass) 117-118; 146-156
Public data (Crown Copyright) - Open Government Licence Terms and Conditions apply
Public data (Crown Copyright) - Open Government Licence Terms and Conditions apply
Data Manager
Centre for Environment, Fisheries & Aquaculture Science
Cefas Lowestoft Laboratory
Pakefield Road
Lowestoft
NR33 0HT
UK
+44 (0)1502 562244
pointOfContact
2019-10-29T10:09:44