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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


Reproductive Freedom

Tim Mulgan

in Future People: A Moderate Consequentialist Account of our Obligations to Future Generations

Published in print:
2006
Published Online:
May 2006
ISBN:
9780199282203
eISBN:
9780191603624
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/019928220X.003.0006
Subject:
Philosophy, Moral Philosophy

This chapter first establishes a strong prima facie Rule Consequentialist case in favour of reproductive freedom. Arguments against reproductive freedom are then examined and found wanting. Rule ... More


Size Matters: Toward Understanding the Natural History of Genomes

Norman A. Johnson

in Darwinian Detectives: Revealing the Natural History of Genes and Genomes

Published in print:
2007
Published Online:
September 2007
ISBN:
9780195306750
eISBN:
9780199790203
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195306750.003.0012
Subject:
Biology, Evolutionary Biology / Genetics

Genome size varies widely among different organisms, and is not very closely correlated with complexity of the organism. In species with large genomes, most of the DNA does not code for genes. This ... More


Inbreeding, geographic subdivision, and gene flow

Jacob Höglund

in Evolutionary Conservation Genetics

Published in print:
2009
Published Online:
May 2009
ISBN:
9780199214211
eISBN:
9780191706660
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199214211.003.0003
Subject:
Biology, Biodiversity / Conservation Biology, Evolutionary Biology / Genetics

This chapter outlines the theory of inbreeding including a brief account on the theory of population subdivision and gene flow. This is of relevance to conservation issues because habitat loss and ... More


Extraordinary Population Structure among the Baining of New Britain

Jason A. Wilder and Michael F. Hammer

in Population Genetics, Linguistics, and Culture History in the Southwest Pacific

Published in print:
2007
Published Online:
September 2007
ISBN:
9780195300307
eISBN:
9780199790142
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195300307.003.0013
Subject:
Biology, Evolutionary Biology / Genetics

This chapter examines with four unlinked loci the extent of divergence between two linguistically related Baining groups in New Britain. Although they are linguistically related and are less than 100 ... More


Size, Scope, and Bias: What Differentiates Local Electoral Politics?

J. Eric Oliver, Shang E. Ha, and Zachary Callen

in Local Elections and the Politics of Small-Scale Democracy

Published in print:
2012
Published Online:
October 2017
ISBN:
9780691143552
eISBN:
9781400842544
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691143552.003.0002
Subject:
Political Science, American Politics

This chapter outlines a relatively simple way of understanding the dynamics of local democracy. Across the universe of democracies, three characteristics are the most powerful and widely applicable ... More


Greater Sage-Grouse Population Dynamics and Probability of Persistence

Edward O. Garton, John W. Connelly, Jon S. Horne, Christian A. Hagen, Ann Moser, and Michael A. Schroeder

in Greater Sage-Grouse: Ecology and Conservation of a Landscape Species and Its Habitats

Published in print:
2011
Published Online:
March 2012
ISBN:
9780520267114
eISBN:
9780520948686
Item type:
chapter
Publisher:
University of California Press
DOI:
10.1525/california/9780520267114.003.0016
Subject:
Biology, Ornithology

A study was conducted to analyze Greater Sage-Grouse (Centrocercus urophasianus) populations throughout the species' range by accumulating and estimating counts of males at 9,870 leks identified ... More


Extinction dynamics

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/9780198525257.003.0002
Subject:
Biology, Ecology

This chapter begins with a discussion of paleo-extinctions. It then discusses modern anthropogenic extinctions, diffusion approximation of stochastic dynamics, extinction trajectories in small ... More


Turnout

Jonathan Bendor, Daniel Diermeier, David A. Siegel, and Michael M. Ting

in A Behavioral Theory of Elections

Published in print:
2011
Published Online:
October 2017
ISBN:
9780691135076
eISBN:
9781400836802
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691135076.003.0004
Subject:
Political Science, American Politics

This chapter focuses on voter participation, perhaps the most well-known anomaly for rational choice theory. The problem goes like this: in large electorates, the chance that any single voter will be ... More


Why the Philippine Negrito Languages are Endangered

Thomas N. Headland

in Endangered Languages of Austronesia

Published in print:
2009
Published Online:
May 2010
ISBN:
9780199544547
eISBN:
9780191720260
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199544547.003.0006
Subject:
Linguistics, Sociolinguistics / Anthropological Linguistics

This chapter explains why the thirty-plus Negrito languages in the Philippines are endangered, and what the projected future is for these numerically tiny post-foraging societies in the 21st century. ... More


Late Life in Human Populations

Laurence D. Muller

in Does Aging Stop?

Published in print:
2011
Published Online:
September 2011
ISBN:
9780199754229
eISBN:
9780199896714
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199754229.003.0011
Subject:
Biology, Evolutionary Biology / Genetics

Late life was first detected in human populations, despite the very late occurrence of late life in humans. Recent data from supercentenarians provide strong evidence of a late-life mortality rate ... More


Population Ecology

John H. Rappole

in The Avian Migrant: The Biology of Bird Migration

Published in print:
2013
Published Online:
November 2015
ISBN:
9780231146784
eISBN:
9780231518635
Item type:
chapter
Publisher:
Columbia University Press
DOI:
10.7312/columbia/9780231146784.003.0007
Subject:
Biology, Evolutionary Biology / Genetics

This chapter focuses on the avian migrant's population ecology. The basic equation for population growth states that change in the population over time equals the birth or natality rate minus the ... More


Introduction to Chinese Families

C. Y. Cyrus Chu and Ruoh‐Rong Yu

in Understanding Chinese Families: A Comparative Study of Taiwan and Southeast China

Published in print:
2009
Published Online:
February 2010
ISBN:
9780199578092
eISBN:
9780191722424
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199578092.003.0001
Subject:
Economics and Finance, South and East Asia

This chapter presents a fundamental difference between Chinese and Western families, which has motivated the research topics in this book. Most previous monographs on similar subjects have Western ... More


Central Places and Urban Networks

Tom Scott

in Regional Identity and Economic Change: The Upper Rhine 1450-1600

Published in print:
1998
Published Online:
October 2011
ISBN:
9780198206446
eISBN:
9780191677120
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198206446.003.0004
Subject:
History, European Early Modern History, Economic History

In the 1930s, German economic geographer Walter Christaller systematized the links between market centres of different sizes into a rank-order based on a predictable dispersion of central places and ... More


Population Dynamics and Warfare in the Central Mesa Verde Region

Sarah M. Cole

in Emergence and Collapse of Early Villages: Models of Central Mesa Verde Archaeology

Published in print:
2012
Published Online:
September 2012
ISBN:
9780520270145
eISBN:
9780520951990
Item type:
chapter
Publisher:
University of California Press
DOI:
10.1525/california/9780520270145.003.0013
Subject:
Anthropology, American and Canadian Cultural Anthropology

The relationship between population size or density and warfare has been the subject of much debate in anthropological research. In 2006 Peter Turchin and Andrey Korotayev raised the possibility that ... More


The Genetic Effective Size of a Population

Bruce Walsh and Michael Lynch

in Evolution and Selection of Quantitative Traits

Published in print:
2018
Published Online:
September 2018
ISBN:
9780198830870
eISBN:
9780191868986
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198830870.003.0003
Subject:
Biology, Evolutionary Biology / Genetics, Biochemistry / Molecular Biology

The effects of genetic drift usually assume an idealized population of constant size. This chapter shows how the population size for such an idealized population can be replaced with an effective ... More


Population Size and Dynamics

Uzi Rebhun

in Jews and the American Religious Landscape

Published in print:
2016
Published Online:
January 2017
ISBN:
9780231178266
eISBN:
9780231541497
Item type:
chapter
Publisher:
Columbia University Press
DOI:
10.7312/columbia/9780231178266.003.0002
Subject:
Religion, Judaism

Chapter 1 focuses on the size of the religious groups and the components of demographic changes. This includes fertility, international migration, and religious switching. Age structure of each ... More


Demographic consequences of the selective forces controlling density-dependent dispersal

François Rousset

in Dispersal Ecology and Evolution

Published in print:
2012
Published Online:
December 2013
ISBN:
9780199608898
eISBN:
9780191774560
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199608898.003.0021
Subject:
Biology, Ecology, Evolutionary Biology / Genetics

This chapter presents the example of departure decisions as conditional on current local population size. This appears to be the scenario most actively investigated, partly because of its perceived ... More


Long-term Response: 2. Finite Population Size and Mutation

Bruce Walsh and Michael Lynch

in Evolution and Selection of Quantitative Traits

Published in print:
2018
Published Online:
September 2018
ISBN:
9780198830870
eISBN:
9780191868986
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198830870.003.0026
Subject:
Biology, Evolutionary Biology / Genetics, Biochemistry / Molecular Biology

In a finite population, drift is often more important than selection in removing any initial additive variance. This chapter examines the joint impact of selection, drift, and mutation on the ... More


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