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Organizational Ecology as a Theory of Competition

Nikolaus Beck

in The Institutions of the Market: Organizations, Social Systems, and Governance

Published in print:
2008
Published Online:
September 2008
ISBN:
9780199231423
eISBN:
9780191710865
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199231423.003.0010
Subject:
Business and Management, Political Economy

This chapter shows that organizational ecology is much more sociological and less biological than many critics of organizational ecology think. It argues that organizational ecology and its theory of ... More


Allee Effects in Ecology and Conservation

Franck Courchamp, Ludek Berec, and Joanna Gascoigne

Published in print:
2008
Published Online:
May 2008
ISBN:
9780198570301
eISBN:
9780191717642
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198570301.001.0001
Subject:
Biology, Biodiversity / Conservation Biology

Allee effects are broadly defined as a decline in individual fitness at low population size or density, that can result in critical population thresholds below which populations crash to extinction. ... More


Mechanisms for 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/9780198570301.003.0002
Subject:
Biology, Biodiversity / Conservation Biology

This chapter describes the mechanisms by which an Allee effect can arise. For each mechanism, the chapter discusses how it works in theory, and then presents current evidence for, and examples of, ... More


Age structure

Russell Lande, Steinar Engen, and Bernt-Erik SÆther

in Stochastic Population Dynamics in Ecology and Conservation

Published in print:
2003
Published Online:
April 2010
ISBN:
9780198525257
eISBN:
9780191584930
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198525257.003.0003
Subject:
Biology, Ecology

The total density dependence in a life history is defined as the negative elasticity of population growth rate per generation with respect to population density. This chapter analyzes a ... More


Multiple guilds

David M. Wilkinson

in Fundamental Processes in Ecology: An earth systems approach

Published in print:
2006
Published Online:
September 2007
ISBN:
9780198568469
eISBN:
9780191717611
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198568469.003.0003
Subject:
Biology, Ecology

The problems faced by a hypothetical planet with only one species strongly suggest that any functioning ecological system must have organisms from at least two major ecological guilds: autotrophs and ... More


The Census Period: 1923–2003

Frederic H. Wagner

in Yellowstone's Destabilized Ecosystem: Elk Effects, Science, and Policy Conflict

Published in print:
2006
Published Online:
September 2007
ISBN:
9780195148213
eISBN:
9780199790449
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195148213.003.0002
Subject:
Biology, Ecology

Winter elk numbers on the northern range have been counted through most of its history, with ground counts up to 1956 (except 1935) and aerial counts up to the present. Several sightability bias ... More


INERTIAL GROWTH

Lev Ginzburg and Mark Colyvan

in Ecological Orbits: How Planets Move and Populations Grow

Published in print:
2003
Published Online:
September 2007
ISBN:
9780195168167
eISBN:
9780199790159
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195168167.003.0006
Subject:
Biology, Ecology

The term “inertia” was first used in population ecology in relation to the property of overshooting equilibria due to any one of a variety of causes. This chapter tries to flesh out the details of a ... More


Ecological factors limiting the distributions and abundances of Odonata

Mark A. McPeek

in Dragonflies and Damselflies: Model Organisms for Ecological and Evolutionary Research

Published in print:
2008
Published Online:
September 2008
ISBN:
9780199230693
eISBN:
9780191710889
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199230693.003.0005
Subject:
Biology, Ecology, Animal Biology

This chapter reviews the ecological processes that define and limit the distributions and abundances of many odonate species across ecological environments. Distributions of species among standing ... 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 ecology of mutualism

J. Nathaniel Holland

in Mutualism

Published in print:
2015
Published Online:
September 2015
ISBN:
9780199675654
eISBN:
9780191809422
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199675654.003.0008
Subject:
Biology, Ecology, Evolutionary Biology / Genetics

Historically, studies of the population ecology of mutualism have been largely divorced from the key principles (e.g., density dependence, functional responses, consumer–resource theory) that have ... More


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