Stephens & Foraging - Behavior and Ecology - Chapter 10 pps
Stephens & Foraging - Behavior and Ecology - Chapter 10 pps
... (i.e., T > R and
P >S), and yet two defectingplayers receive less than two cooperating players
BOX 10. 3 The Rate-Maximizing Producer-Scrounger Game
According to the classic producer-scrounger ... (Caraco 1981, 1987; Caraco and Giraldeau 1991). To eval-
uate this possibility, Koops and Giraldeau (1996) exploited the fact that
rate-maximizing and variance-sensitive producer-sc...
Stephens & Foraging - Behavior and Ecology - Chapter 5 pps
... instance, that plug-flow reactors outper-
form bothbatch and continuous-flow, stirred-tank reactorsfor a givenreactor
volumeand when reactionsarecatalytic, but continuous-flow,stirred-tankre-
actors outperform ... some in-
vertebrates, including hydras and coelenterates; plug-flow reactors are ana-
logues for the tubular guts found in most multicellular invertebrates and
vertebrates; and...
Stephens & Foraging - Behavior and Ecology - Chapter 1 ppt
... prob-
lems within behavioral ecology, spurred on by a long-standing interest in sex-
ual signaling and other forms of communication (Dall and Johnstone 2002),
that may reinvigorate interest in foraging ... general explana-
tion for animals’ strong preference for immediacy.
In an alternative approach, Stephens and colleagues (Stephens 2002; Ste-
phens and Anderson 2001; Stephens...
Stephens & Foraging - Behavior and Ecology - Chapter 2 pdf
... the long-term rate of patch encounter will control patch
exploitation patterns, and that travel time patterns such as “long-short-long-
short-long-short . . . ” will give the same long-term encounter ... interactions.
2.7 The Behavioral Ecology of Information and Cognition
Information problems connect behavioral ecology with basic behavioral mech-
anisms such as learning, memory, and...
Stephens & Foraging - Behavior and Ecology - Chapter 3 ppt
... agonist that most effectively mim-
ics the effect of glutamate, including the NMDA (N-methyl-D-aspar-
tic acid) receptor and the AMPA (α-amino-3-hydroxy-5-methyl- 4-
isoxazoleproprionate) receptor.
Neuropil ... maze, and choice by
primates among concealed food sites are all components of natural foraging,
or very similar to components of natural foraging. It is no accident that feed...
Stephens & Foraging - Behavior and Ecology - Chapter 4 pdf
... stimulus.
In an experiment that combined a delayed matching-to-sample and a delay-
ed symbolicmatching-to-sample procedure, pigeonslearned to forgeta previ-
ously presented sample (fig.4.5). This procedure ... without ap-
parent trial -and- error learning. Although pulling and stepping may be an in-
nate motor pattern in birds (see review in Thorpe 1963), several ravens never
Cognition for...
Stephens & Foraging - Behavior and Ecology - Chapter 6 docx
... herbivore foraging behavior, we must under-
stand the dynamics of plant growth. We need to become experts, not just on
animal behavior, but also on plant growth and metabolism (or find someone
who isand ... students of foraging behavior were interested in foraging behavior
because they thought it would yield a deeper understanding of predator-prey
dynamics. They thought we could...
Stephens & Foraging - Behavior and Ecology - Chapter 7 pdf
... understand the selective forces that have
shaped energy storage and expenditure strategies. Such models have become
standard in evolutionary and behavioral ecology (Stephens and Krebs 1986;
Mangel and ... spent on foraging and resting (“stopovers”) before
and between migratory flights (Hedenstr
¨
om and Alerstam 1997). Migra-
tion can therefore be seen largely as a foraging...
Stephens & Foraging - Behavior and Ecology - Chapter 8 doc
... acquisition to un-
derstand the diversity of provisioning behavior.
Like the rest of behavioral ecology, provisioning models emphasize costs
and benefits, and they ask how costs and benefits select ... accommodate
rate-maximizing and efficiency-maximizing behavior within a single frame-
work.
Few studies have tested this critical prediction. (Figures 8.1 and 8.2 show
measured beh...
Stephens & Foraging - Behavior and Ecology - Chapter 9 docx
... to reduce danger.
To begin this chapter, I examine why foraging gain and danger are gen-
erally linked, and I build a life history framework for modeling foraging and
danger. I discuss how danger ... guppies react less
quickly to predators when foraging than when not foraging, and even less
quickly when foraging nose down (Krause and Godin 1996).
Depletion and Density De...
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