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Fish larvae atlas of the NE Atlantic. Results from the Continuous Plankton Recorder survey 1948-2005
Edwards, M.; Helaouet, P.; Halliday, N.; Beaugrand, G.; Fox, C.; Johns, D.G.; Licandro, P.; Lynam, C.; Pitois, S.; Stevens, D.; Coombs, S.; Fonseca, L. (2011). Fish larvae atlas of the NE Atlantic. Results from the Continuous Plankton Recorder survey 1948-2005. Sir Alister Hardy Foundation for Ocean Science (SAHFOS): Plymouth. ISBN 978-0--9566301-2-7. 22 pp.
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| Trefwoorden |
Classification > Taxonomy
Databases
Developmental stages > Larvae > Fish larvae
Distribution
Identification
Species diversity
Taxa > Species
Time series
ANE, North East Atlantic [Marine Regions]
Marien/Kust |
| Auteurs | | Top |
- Edwards, M., meer
- Helaouet, P.
- Halliday, N.
- Beaugrand, G.
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- Fox, C.
- Johns, D.G., meer
- Licandro, P.
- Lynam, C.
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- Pitois, S.
- Stevens, D.
- Coombs, S.
- Fonseca, L.
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| Abstract |
The CPR survey records over 500 taxonomic entities and although the number of fish larvae on each sample is counted, they are not routinely identified to species or taxonomic group. The fish larvae project was an ambitious study to identify the fish larvae and transfer the results to a database incorporating the data from an earlier CPR Fish Atlas (1980, Bull. mar. Ecol., 8). This required re-analysing over 10,000 archived CPR samples and recording over 32,000 identified specimens. The project has resulted in the creation of a unique fish larvae database of the NE Atlantic, North Sea and adjacent areas from 1948-2005. Young fish are some of the largest organisms sampled by the CPR survey, typically ranging from 2 mm to 50 mm (mean size ~12 mm), with the CPR (although selective) sampling a comparable part of each population from year to year. Due to the size of the fish larvae and the sampling method, they can often be damaged and identification to species level is not always possible using traditional microscopic methods (which was the method used in this project). However, advances in molecular analysis of CPR archived material now allow molecular identification of fish larvae. In terms of diversity, the CPR fish larvae database consists of 75 taxonomic groups or species, of which this atlas contains the distributions and time-series for the 7 most common taxa (excluding Sebastes spp. from the central and western North Atlantic) with an additional 2 included of particular current interest. |
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