Jump to ContentJump to Main Navigation

You are looking at 1-11 of 11 items

  • Keywords: Allee effect x
Clear All Modify Search

View:

What are Allee effects?

Franck Courchamp, Luděk Berec, and Joanna Gascoigne

in Allee Effects in Ecology and Conservation

Published in print:
2008
Published Online:
May 2008
ISBN:
9780198570301
eISBN:
9780191717642
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198570301.003.0001
Subject:
Biology, Biodiversity / Conservation Biology

This first chapter acts as an introduction to the book. It explains what an Allee effect is, provides a clear definition of the main concept and of its nuances, and briefly explains how it works both ... More


Genetics and evolution

Franck Courchamp, Luděk Berec, and Joanna Gascoigne

in Allee Effects in Ecology and Conservation

Published in print:
2008
Published Online:
May 2008
ISBN:
9780198570301
eISBN:
9780191717642
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198570301.003.0004
Subject:
Biology, Biodiversity / Conservation Biology

This chapter focuses on Allee effects in relation to genetics and evolution. These topics intersect in four different ways. First, genetics creates its own set of Allee effect mechanisms (e.g., via ... 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


The Role of Contingency in Establishment Success

Tim M. Blackburn, Julie L. Lockwood, and Phillip Cassey

in Avian Invasions: The Ecology and Evolution of Exotic Birds

Published in print:
2009
Published Online:
September 2009
ISBN:
9780199232543
eISBN:
9780191715983
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199232543.003.0003
Subject:
Biology, Ornithology, Biodiversity / Conservation Biology

Establishment is the stage that has been the focus of most invasion studies in birds. However, the research on this topic has not always been congruent in its findings, and considerable disagreement ... More


The Role of Species Traits in Establishment Success

Tim M. Blackburn, Julie L. Lockwood, and Phillip Cassey

in Avian Invasions: The Ecology and Evolution of Exotic Birds

Published in print:
2009
Published Online:
September 2009
ISBN:
9780199232543
eISBN:
9780191715983
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199232543.003.0004
Subject:
Biology, Ornithology, Biodiversity / Conservation Biology

This chapter considers the influence of species-level traits in the establishment success of exotic birds. Previous treatments of such traits have failed to find consistent associations between ... More


Non-equilibrium dynamics

Cang Hui and David M. Richardson

in Invasion Dynamics

Published in print:
2017
Published Online:
March 2017
ISBN:
9780198745334
eISBN:
9780191807046
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198745334.003.0005
Subject:
Biology, Ecology, Biomathematics / Statistics and Data Analysis / Complexity Studies

The non-equilibrium dynamics of biological invasions has revived the debate on the balance of nature and mechanisms for population regulation. Invasive species in novel environments, whether ... More


Population growth and density dependence

Gary G. Mittelbach and Brian J. McGill

in Community Ecology

Published in print:
2019
Published Online:
September 2019
ISBN:
9780198835851
eISBN:
9780191873379
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198835851.003.0004
Subject:
Biology, Ecology, Biodiversity / Conservation Biology

This chapter reviews the basic mathematics of population growth as described by the exponential growth model and the logistic growth model. These simple models of population growth provide a ... More


Growth regulation, feedbacks, and their dynamical consequences

Liz Pásztor, Zoltán Botta-Dukát, Gabriella Magyar, Tamás Czárán, and Géza Meszéna

in Theory-Based Ecology: A Darwinian approach

Published in print:
2016
Published Online:
August 2016
ISBN:
9780199577859
eISBN:
9780191823787
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199577859.003.0006
Subject:
Biology, Ecology

This chapter starts with proving the inevitability of population growth regulation, and concludes with an explanation of the exclusive resource limitation principle that, through determining ... More


What theory actually tells us about multiple stable states

Peter Petraitis

in Multiple Stable States in Natural Ecosystems

Published in print:
2013
Published Online:
May 2015
ISBN:
9780199569342
eISBN:
9780191810084
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:osobl/9780199569342.003.0002
Subject:
Biology, Plant Sciences and Forestry

This chapter examines the differential equations used for the modeling of ecological process of multiple stable states. The equations quickly reveal what experimentalists can test; thus, the ... More


Fishing in a Common Pool

William H. Durham

in Exuberant Life: An Evolutionary Approach to Conservation in Galápagos

Published in print:
2021
Published Online:
May 2021
ISBN:
9780197531518
eISBN:
9780197531549
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780197531518.003.0009
Subject:
Biology, Evolutionary Biology / Genetics

By 1992, overfishing along the South American coast prompted a large migration to Galápagos of fishers, middlemen, and buyers, who began a “gold rush” harvest of brown sea cucumbers (a spiny marine ... More


Metapopulations and their spatial dynamics

Sean Nee

in Theoretical Ecology: Principles and Applications

Published in print:
2007
Published Online:
November 2020
ISBN:
9780199209989
eISBN:
9780191917370
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780199209989.003.0007
Subject:
Environmental Science, Applied Ecology

The study of metapopulation dynamics has had a profound impact on our understanding of how species relate to their habitats. A natural, if naïve, set of assumptions ... More


View: