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Demonstration of maternal effects of Atlantic cod: combining the use of unique mesocosm and novel molecular techniques

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OBJECTIVES AND EXPECTED ACHIEVEMENTS
The main objectives are:
1. To examine the viability of offspring from recruit (first-time) female spawners compared to offspring from repeat (elder) female spawners of Atlantic cod.
2. To examine variations in viability between offspring of individual pairs of cod.
3. To analyse the demographic structure (age-, sex- and maturity armature) of selected European cod stocks by means of historical data sets.
4. Based on the results of objectives 1., 2. and 3., to evaluate the possible effects on cod recruitment and implications for fishery management.

The first two points will be examined by employing rearing experiments in large marine enclosures (mesocosms: 2500 & 4400 m3) and comparing measures of viability between individual offspring originating from first-time and second-time spawning females. Such differences will be compared with variation that occurs between parents within each group.

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Koordinator

INSTITUTE OF MARINE RESEARCH DEPARTMENT OF AQUACULTURE
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Adresse
Nordnesgaten 50 PO Box 1870
BERGEN
Norwegen

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Letzte Aktualisierung: 22 Mai 2008

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Permalink: https://cordis.europa.eu/project/id/QLK5-CT1999-01617/de

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