Fleeting images dynamics of North Sea ray populations

Authors	P.A. Walker
Supervisors	N. Daan
Award date	22-02-1999
Organisations	Faculty of Science (FNWI) - Institute for Biodiversity and Ecosystem Dynamics (IBED)
Document type	PhD thesis
Downloads	Thesis Cover Titlepage Contents Chapter 1 General Introduction Chapter 2 Ecology of rays of the north-eastern Atlantic Chapter 3 Long-term changes in rays populations in the North Sea Chapter 4 Sensitive skates or resilient rays? Spatial and temporal shifts in ray species composition in the central and north-western North Sea between 1930 and the present day Chapter 5 Distribution, movement and stock structure of three ray species in the North Sea and eastern English Channel Chapter 6 Variation in age and size at maturity of North Sea rays in relation to growth Chapter 7 Reproductive effort, cycle and potential of North Sea rays Chapter 8 Synthesis of results and conclusions Chapter 9 Samenvatting : Dynamiek van roggenpopulaties in de Noordzee References Dankwoord / Acknowledgements Cover
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