An ecological economic model of trawling is presented to demonstrate the effect of trawling location choice strategy on net input (rate of economic gain of fish caught per time spent less costs). Fishing location choice is considered to be a dynamic process whereby trawlers chose from among a...

Animals foraging for patchily distributed resources may optimize their foraging decisions concerning the patches they encounter, provided that they base these decisions on reliable information about the profitability of the habitat as a whole. Females of the parasitoid Lysiphlebus testaceipes...

Theory predicts that consumers selecting among complementary resources will show stronger preferences for items that become relatively less available. I tested this hypothesis in a field study that compared the preferences of ant colonies given simultaneous access to experimental foods differing...