Estimating food consumption rates of fish using a mercury mass balance model

By M. Trudel, A. Tremblay, R. Schetagne, J. Rasmussen. 2000

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Why are dwarf fish so small? An energetic analysis of polymorphism in lake whitefish (Coregonus clupeaformis) (2001, methodology): “The loss rate of Hg due to spawning was estimated as (Trudel et al. 2000) (3) K Q= ×GSI 365 whereQ is the ratio of Hg concentration in the gonads to that in fish, GSI is the gonadosomatic index, and 365 represents the number of days in a year.”
Influence of food web structure on the growth and bioenergetics of lake trout (Salvelinus namaycush) (2002, methodology): “Annual consumption rates for Lake Ontario lake trout were estimated with a Hg mass balance model and were taken directly from Trudel et al. (2000) (Tables 4 and A2).”
The von Bertalanffy growth function, bioenergetics, and the consumption rates of fish (2001, methodology): “Consumption rates used in our analysis were derived from both bioenergetics models and contaminant analyses (e.g., Rowan and Rasmussen 1996; Trudel et al. 2000).”
Shifting gears: enzymatic evidence for the energetic advantage of switching diet in wild-living fish (2002, background): “This may involve decreasing consumption rates; in an extensive metaanalysis of feeding rates covering numerous fish species with a large range in body sizes, consumption rates were found to scale with an exponent of about –0.2 (Trudel et al. 2000).”