Biological processes and environmental factors regulating the dynamics of the Norwegian Skagerrak cod populations since 1919

• Main Authors: Jean-Marc Fromentin, Jakob Gjøsæter, Ottar N. Bjørnstad, N. Chr Stenseth, J-m. Fromentin Ifremer, Département Des Ressources Halieutiques, Rue Jean
• Other Authors: The Pennsylvania State University CiteSeerX Archives
• Format: Text
• Language: English
• Published: 2000
• Subjects: Key words; biotic interactions; Gadus morhua; generation cycle; periodic fluctuations; resonant effects; spatial structure; trend; Zostera marina; Norway
• Online Access: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.31.8102; http://www.nceas.ucsb.edu/~bjornsta/publ/ices/ices2000.pdf

r the Exploration of the Sea Key words: biotic interactions, Gadus morhua, generation cycle, periodic fluctuations, resonant eects, spatial structure, trend, Zostera marina. J-M. Fromentin: IFREMER, Departement des Ressources Halieutiques, 1 rue Jean Vilar, BP 171, 34203 Sete Cedex, France [e-mail: [e-mail]]; J. Gjster: Institute of Marine Research, Fldevigen Marine Research Station, N-4817 His, Norway; O. N. Bjrnstad, N. Chr. Stenseth: University of Oslo, Division of Zoology, Department of Biology, PO Box 1050 Blindern, N-0316 Oslo, Norway [e-mail: [e-mail]] Introduction The causes of fish stock fluctuations are complex and contingent on a variety of direct and indirect processes of biological, environmental, and anthropogenic origin. Consideration has been given to: (i) food availability for fish larvae through the match-mismatch hypothesis (Hjort, 1914; May