Was the Increase in Shrimp Biomass on the Northeast Newfoundland Shelf a Consequence of a Release in Predation Pressure from Cod

By G. Lilly, D. Parsons, D. Kulka. 2000

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Visualizing the Food-Web Effects of Fishing for Tunas in the Pacific Ocean (2004, result): “In both systems, it was shown that biomass reductions in the upper trophic level were accompanied by increases in the biomass of the lower trophic levels, a finding that is similar to the growing evidence from other fished ecosystems (e.g., Lilly et al. 2000, Carscadden et al. 200l).”
META-ANALYSIS OF COD-SHRIMP INTERACTIONS REVEALS TOP-DOWN CONTROL IN OCEANIC FOOD WEBS (2003, background): “Analyses of single stocks have suggested various factors that may explain the increase in benthic prey species, including changes in ocean temperature (which might affect cod and crustaceans independently), release from cod predation, or both (Berenboim et al. 2000, Koeller 2000, Lilly et al. 2000).”
Reconstructing ecosystem dynamics in the central Pacific Ocean, 1952-1998. II. A preliminary assessment of the trophic impacts of fishing and effects on tuna dynamics (2002, background): “As a consequence of some of the most spectacular collapses, abundances of prey species and invertebrates have increased to unprecedented levels in response to reduced predation pressure from above ( Lilly et al. 2000; Carscadden et al. 2001; Daskalov 2002).”