Foraging: Behavior and Ecology docx

[...]... ever-inspiring collaboration with Thomas Alerstam and the Migration Ecology Research Group in Lund Chapter 8 I am deeply grateful to colleagues, friends, and students in the Behavioral Ecology Research Group and the Centre for Wildlife Ecology at Simon Fraser University for their commitment to collegial scientific inquiry and for their parts in the parade of ideas, discovery, and natural history that makes working... diversity of interesting foraging Foraging: An Overview problems across all levels of biological organization demands many different approaches, and our aim here is to articulate a pluralistic view However, foraging research was originally motivated by and organized around optimality models and the ideas of behavioral ecology, and for that reason, we take Stephens and Krebs’s 1986 book as our starting... Blumstein, Anders Brodin, Will Cresswell, Ron Ydenberg, and Dave Stephens for helpful comments on the manuscript, and Robert Gibson and David McDonald for help in locating a reference Acknowledgments Chapter 10 We thank E A Marschall, K M Passino, R Ydenberg, D Stephens, and students in our graduate course in behavioral ecology for comments on the manuscript Chapter 11 We thank Chris Whelan and the editors... late 1970s and 1980s and is described in sections 1.8 and 1.9 below Stephens and Krebs (1986) used the idea of state dependence in two chapters and anticipated the still-growing impact of this concept A third important conceptual advance not considered at all in Stephens and Krebs (1986) lies in social foraging games and the consequences of foraging as a group Foraging games between predator and prey... theory and foraging theory Here the objective function of the prey takes into account its own behavior as well as that of the predator, and the predator’s objective function considers the consequences of its behavior and that of its prey We anticipate that these models will find application in a variety of basic and applied settings 1.4 Attack and Exploitation Models The second chapter of Stephens and. .. theory and empirical studies proved, in practice, to be synergistic partners Their partnership is flourishing in foraging research, and theory and empiricism in both laboratory and field are important parts of this volume If the basics of foraging models have remained unchanged since the publication of Stephens and Krebs’s book (1986), the range and sophistication of 5 6 Ronald C Ydenberg, Joel S Brown, and. .. attention to predation in the 1980s, and predation enjoyed unflagging interest through the 1990s From the start, behavioral ecologists took the danger of predation seriously; but they treated foraging and danger separately In the first edition of Behavioral Ecology (Krebs and Davies 1978), the chapter on foraging (Krebs 1978) is immediately followed by one dealing with predators and prey (Bertram 1978), with... NIH, and the University of Florida Foundation for support, and Burt Kotler, Joel Brown, Tom Schoener, Doug Morris, Per Lundberg, and John Fryxell for stimulating conversations on foraging TK thanks NSF for a graduate research fellowship Chapters 12 and 13 We are grateful to our many colleagues and students over the years whose discussions, ideas, and insights contributed so very much to our own ideas and. .. both.” On one hand, there is no doubt that the initial hopes for a simple, all-embracing theory that paid little attention to behavioral mechanisms were soon dashed On the other hand, as the research has matured, important insights into behavior and ecology have been fostered by optimal foraging theory Indeed, many important questions have been asked because of optimality thinking, and asking the right... every day, and we would expect it to use them in a consistent order that is sensitive to both their relative qualities and their arrangement in space Within foraging theory, this orderly use and reuse of a spatial array of resources is known as “traplining” and has been studied in nectivorous birds (Gass and Garrison 1999; Kamil 1978), bees (Thomson et al 1997; Williams and Thomson 1998), and frugivorous . Kotler and Joel S. Brown Box 12.1 Isolegs and Isodars 13 Foraging and the Ecology of Fear 437 Joel S. Brown and Burt P. Kotler Box 13.1 Stress Hormones and. originally motivated by and organized around optimality models and the ideas of behavioral ecology, and for that reason, we take Stephens and Krebs’s 1986 book