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  2. Fleeting images dynamics of North Sea ray populations

Fleeting images dynamics of North Sea ray populations

Open Access
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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