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Dragonflies and Damselflies: Model Organisms for Ecological and Evolutionary Research

Alex Córdoba-Aguilar (ed.)

Published in print:
2008
Published Online:
September 2008
ISBN:
9780199230693
eISBN:
9780191710889
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199230693.001.0001
Subject:
Biology, Ecology, Animal Biology

This book is a collection of nineteen chapters where summaries of major ecological and evolutionary questions have been asked and responded using dragonflies and damselflies as study subjects. Each ... More


Signalling to predators

Graeme D. Ruxton, Thomas N. Sherratt, and Michael P. Speed

in Avoiding Attack: The Evolutionary Ecology of Crypsis, Warning Signals and Mimicry

Published in print:
2004
Published Online:
September 2007
ISBN:
9780198528609
eISBN:
9780191713392
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198528609.003.0007
Subject:
Biology, Animal Biology

Predators that rely on surprise may be persuaded to desist from attacking if prey use reliable signals that the predator has been detected. Prey may also be able to reliably signal to a predator that ... More


Co-evolution

Graham Bell

in Selection: The Mechanism of Evolution

Published in print:
2007
Published Online:
May 2008
ISBN:
9780198569725
eISBN:
9780191717741
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198569725.003.0011
Subject:
Biology, Evolutionary Biology / Genetics

Members of a different species may be enemies, such as predators and parasites, or friends, such as mutualists. The linked evolutionary dynamics of strongly interacting species can be complex, and ... More


Kelp Forest Food Webs in the Aleutian Archipelago

James A. Estes

in Food Webs and the Dynamics of Marine Reefs

Published in print:
2008
Published Online:
May 2008
ISBN:
9780195319958
eISBN:
9780199869596
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195319958.003.0002
Subject:
Biology, Aquatic Biology

The chapter summarizes the current understanding of the kelp forest ecosystems of Alaska by focusing on the key role that otters, killer whales, and man have played in the ecological organization of ... More


Avoiding Attack: The Evolutionary Ecology of Crypsis, Warning Signals and Mimicry

Graeme D. Ruxton, Tom N. Sherratt, and Michael P. Speed

Published in print:
2004
Published Online:
September 2007
ISBN:
9780198528609
eISBN:
9780191713392
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198528609.001.0001
Subject:
Biology, Animal Biology

The book discusses the diversity of mechanisms by which prey can avoid or survive attacks by predators, both from ecological and evolutionary perspectives. There is a particular focus on sensory ... More


The community ecology of Vibrio cholerae

Kathryn L. Cottingham and Julia M. Butzler

in Disease Ecology: Community structure and pathogen dynamics

Published in print:
2006
Published Online:
September 2007
ISBN:
9780198567080
eISBN:
9780191717871
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198567080.003.0008
Subject:
Biology, Disease Ecology / Epidemiology

Vibrio cholerae, the causal agent of cholera, is a heterotrophic bacterium found in aquatic environments around the world. Although understanding the ecology of V. cholerae is ... More


Adaptive Diversification Due to Predator-Prey Interactions

Michael Doebeli

in Adaptive Diversification (MPB-48)

Published in print:
2011
Published Online:
October 2017
ISBN:
9780691128931
eISBN:
9781400838936
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691128931.003.0005
Subject:
Biology, Biodiversity / Conservation Biology

This chapter discusses adaptive diversification due to predator–prey interactions. It has long been recognized that consumption, that is, predation, can not only exert strong selection pressure on ... More


Vision in Dim Light

Thomas W. Cronin, Sönke Johnsen, N. Justin Marshall, and Eric J. Warrant

in Visual Ecology

Published in print:
2014
Published Online:
October 2017
ISBN:
9780691151847
eISBN:
9781400853021
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691151847.003.0011
Subject:
Biology, Evolutionary Biology / Genetics

This chapter discusses how darkness provides excellent advantages for a wide variety of animals, for the simple reason that vision—a primary sense for predators and foragers alike—becomes severely ... More


Summary: A Bird’s-Eye View of Community and Population Effects of Ontogenetic Development

André M. de Roos and Lennart Persson

in Population and Community Ecology of Ontogenetic Development

Published in print:
2013
Published Online:
October 2017
ISBN:
9780691137575
eISBN:
9781400845613
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691137575.003.0001
Subject:
Biology, Ecology

This chapter provides a summary of the topics covered by the present volume. The summary serves the purpose of clearly showing how different chapters fit together in a general framework with respect ... More


Life History Processes, Ontogenetic Development, and Density Dependence

André M. de Roos and Lennart Persson

in Population and Community Ecology of Ontogenetic Development

Published in print:
2013
Published Online:
October 2017
ISBN:
9780691137575
eISBN:
9781400845613
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691137575.003.0002
Subject:
Biology, Ecology

This chapter first considers the question of how ecologists have conceptualized populations. In other words, how has their research looked at “group[s] of individuals of one species”? It reflects on ... More


Emergent Allee Effects through Biomass Overcompensation

André M. de Roos and Lennart Persson

in Population and Community Ecology of Ontogenetic Development

Published in print:
2013
Published Online:
October 2017
ISBN:
9780691137575
eISBN:
9781400845613
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691137575.003.0004
Subject:
Biology, Ecology

This chapter discusses the emergence of a positive feedback between the density of predators and the availability of its food, mediated through biomass overcompensation in the prey life history stage ... More


Emergent Facilitation among Predators on Size-Structured Prey

André M. de Roos and Lennart Persson

in Population and Community Ecology of Ontogenetic Development

Published in print:
2013
Published Online:
October 2017
ISBN:
9780691137575
eISBN:
9781400845613
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691137575.003.0005
Subject:
Biology, Ecology

This chapter discusses a variety of positive interactions between predators foraging on different stages of the same prey species, which all emerge owing to the biomass overcompensation that may ... More


Mixed Interactions

André M. de Roos and Lennart Persson

in Population and Community Ecology of Ontogenetic Development

Published in print:
2013
Published Online:
October 2017
ISBN:
9780691137575
eISBN:
9781400845613
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691137575.003.0007
Subject:
Biology, Ecology

This chapter discusses mixed interactions from a different perspective, taking as its point of departure the models for a structured prey, structured predator community with exclusive resources for ... More


Ontogenetic Niche Shifts, Predators, and Coexistence among Consumer Species

André M. de Roos and Lennart Persson

in Population and Community Ecology of Ontogenetic Development

Published in print:
2013
Published Online:
October 2017
ISBN:
9780691137575
eISBN:
9781400845613
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691137575.003.0008
Subject:
Biology, Ecology

This chapter considers how stage structure and ontogenetic niche shifts may affect the coexistence between two consumer species competing for two resources in the absence and presence of predators, ... More


Flower Visitors as Cheats and the Plants’ Responses

Pat Willmer

in Pollination and Floral Ecology

Published in print:
2011
Published Online:
October 2017
ISBN:
9780691128610
eISBN:
9781400838943
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691128610.003.0024
Subject:
Biology, Ecology

This chapter describes some of the kinds of cheating committed by flower visitors and what plants can do to avoid the costs of being cheated. While both plants and visitors have many ways of ... More


Coupling Modules in Space: A Landscape Theory

Kevin S. McCann

in Food Webs (MPB-50)

Published in print:
2011
Published Online:
October 2017
ISBN:
9780691134178
eISBN:
9781400840687
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691134178.003.0009
Subject:
Biology, Ecology

This chapter examines food webs at the landscape scale by focusing on the large-scale food web architecture that is deeply constrained by space. It begins with a discussion of how variability in ... More


The relationship between Batesian and Müllerian mimicry

Graeme D. Ruxton, Thomas N. Sherratt, and Michael P. Speed

in Avoiding Attack: The Evolutionary Ecology of Crypsis, Warning Signals and Mimicry

Published in print:
2004
Published Online:
September 2007
ISBN:
9780198528609
eISBN:
9780191713392
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198528609.003.0012
Subject:
Biology, Animal Biology

If two species share the same signal, both are defended but differ in the type or level of their defence. The nature of the mimicry between them is an area of current controversy. Is it inherently ... More


Is biodiversity maintained by food-web complexity?—the adaptive food-web hypothesis

Michio Kondoh

in Aquatic Food Webs: An ecosystem approach

Published in print:
2005
Published Online:
September 2007
ISBN:
9780198564836
eISBN:
9780191713828
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198564836.003.0012
Subject:
Biology, Aquatic Biology

How do diverse species coexist in the complex networks of prey-predator interactions in nature? While most theoretical models predict that complex food webs do not persist, recent empirical studies ... More


Food webs in lakes—seasonal dynamics and the impact of climate variability

Dietmar Straile

in Aquatic Food Webs: An ecosystem approach

Published in print:
2005
Published Online:
September 2007
ISBN:
9780198564836
eISBN:
9780191713828
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198564836.003.0005
Subject:
Biology, Aquatic Biology

Studies on lakes provide some of the most complete investigations on the structure, dynamics, and energetics of food webs encompassing organisms from bacteria to vertebrates. The life cycle of ... More


Size-based analyses of aquatic food webs

Simon Jennings

in Aquatic Food Webs: An ecosystem approach

Published in print:
2005
Published Online:
September 2007
ISBN:
9780198564836
eISBN:
9780191713828
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198564836.003.0009
Subject:
Biology, Aquatic Biology

This chapter presents size-based analyses of aquatic food webs, where body size rather than species identity is the principle descriptor of an individual's role in the food web, provides insights ... More


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