Behaviour maximising energy intake per unit time. MacArthur-Pianka 1966: choose prey by profitability ranking; marginal-value theorem (Charnov 1976): leave patch when gain rate = environmental average.
Behaviour maximising energy intake per unit time. MacArthur-Pianka 1966: choose prey by profitability ranking; marginal-value theorem (Charnov 1976): leave patch when gain rate = environmental average.