A multispecies extension to the Beverton and Holt theory of fishing, with accounts of phosphorus circulation and primary production

By K. Andersen, E. Ursin. 2009

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Models of the world’s large marine ecosystems: GEF/LME global project Promoting Ecosystem-based Approaches to Fisheries Conservation and Large Marine Ecosystems (2008, methodology): “Polovina examined the ecosystem models then in use for fisheries research (notably Andersen and Ursin, 1977; and Laevastu and Favorite, 1980), and developed a simple mass-balance model, with the main purpose of evaluating consistency in estimates of production (and by deduction state variables) for…”
The theoretical foundations for size spectrum models of fish communities (2016, methodology): “The Andersen–Ursin encounter model The key process in the models is predator–prey encounters between individuals governed by a formalization of the general rule, bigger fish eat smaller fish (Andersen and Ursin 1977).”