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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


Inbreeding reduces reproductive fitness

Richard Frankham, Jonathan D. Ballou, Katherine Ralls, Mark D. B. Eldridge, Michele R. Dudash, Charles B. Fenster, Robert C. Lacy, and Paul Sunnucks

in Genetic Management of Fragmented Animal and Plant Populations

Published in print:
2017
Published Online:
September 2017
ISBN:
9780198783398
eISBN:
9780191826313
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198783398.003.0003
Subject:
Biology, Biodiversity / Conservation Biology

The harmful impacts of inbreeding are generally greater in species that naturally outbreed compared to those in inbreeding species, greater in stressful than benign environments, greater for fitness ... More


Clonality by Incest: Hermaphroditic Self-Fertilization

John C. Avise

in Clonality: The Genetics, Ecology, and Evolution of Sexual Abstinence in Vertebrate Animals

Published in print:
2008
Published Online:
January 2009
ISBN:
9780195369670
eISBN:
9780199871063
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195369670.003.0006
Subject:
Biology, Evolutionary Biology / Genetics

Habitual self-fertilization by hermaphroditic individuals is a sexual route by which genetically identical individuals can arise. The phenomenon occurs in various plants and invertebrates but is ... More


Selection Under Inbreeding

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/9780198830870.003.0023
Subject:
Biology, Evolutionary Biology / Genetics, Biochemistry / Molecular Biology

When dominance is presence, the selection response equations under inbreeding can become rather complex, they require additional variance components beyond the additive-genetic variance. Further, ... More


Inbreeding and loss of genetic diversity increase extinction risk

Richard Frankham, Jonathan D. Ballou, Katherine Ralls, Mark D. B. Eldridge, Michele R. Dudash, Charles B. Fenster, Robert C. Lacy, and Paul Sunnucks

in A Practical Guide for Genetic Management of Fragmented Animal and Plant Populations

Published in print:
2019
Published Online:
November 2019
ISBN:
9780198783411
eISBN:
9780191826337
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198783411.003.0003
Subject:
Biology, Biodiversity / Conservation Biology, Evolutionary Biology / Genetics

Inbreeding reduces survival and reproduction (i.e. it causes inbreeding depression), and thereby increases extinction risk. Inbreeding depression is due to increased homozygosity for harmful alleles ... More


Dominance genetic variance and inbreeding in natural populations

Matthew E. Wolak and Lukas F. Keller

in Quantitative Genetics in the Wild

Published in print:
2014
Published Online:
August 2014
ISBN:
9780199674237
eISBN:
9780191779275
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199674237.003.0007
Subject:
Biology, Evolutionary Biology / Genetics, Ecology

It is assumed that dominance genetic variance contributes little to the prediction of evolutionary change in polygenic traits. This is based on the assumption that populations are large, panmictic, ... More


The conservation biologist's toolbox – principles for the design and analysis of conservation studies

Corey J. A. Bradshaw and Barry W. Brook

in Conservation Biology for All

Published in print:
2010
Published Online:
February 2010
ISBN:
9780199554232
eISBN:
9780191720666
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199554232.003.0017
Subject:
Biology, Ecology, Biodiversity / Conservation Biology

In this chapter, Corey J. A. Bradshaw and Barry W. Brook, discuss measures of biodiversity patterns followed by an overview of experimental design and associated statistical paradigms. Conservation ... More


Genetic Management of Fragmented Animal and Plant Populations

Richard Frankham, Jonathan D. Ballou, Katherine Ralls, Mark Eldridge, Michele R. Dudash, Charles B. Fenster, Robert C. Lacy, and Paul Sunnucks

Published in print:
2017
Published Online:
September 2017
ISBN:
9780198783398
eISBN:
9780191826313
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198783398.001.0001
Subject:
Biology, Biodiversity / Conservation Biology

The biological diversity of the planet is being rapidly depleted due to the direct and indirect consequences of human activity. As the size of animal and plant populations decrease and fragmentation ... More


A Practical Guide for Genetic Management of Fragmented Animal and Plant Populations

Richard Frankham, Jonathan D. Ballou, Katherine Ralls, Mark Eldridge, Michele R. Dudash, Charles B. Fenster, Robert C. Lacy, and Paul Sunnucks

Published in print:
2019
Published Online:
November 2019
ISBN:
9780198783411
eISBN:
9780191826337
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198783411.001.0001
Subject:
Biology, Biodiversity / Conservation Biology, Evolutionary Biology / Genetics

The biological diversity of the planet is being rapidly depleted due to the direct and indirect consequences of human activity. As the size of wild animal and plant populations decreases and ... More


Pollination by Birds: A Functional Evaluation

Sandra H. Anderson, Dave Kelly, Alastair W. Robertson, and Jenny J. Ladley

in Why Birds Matter: Avian Ecological Function and Ecosystem Services

Published in print:
2016
Published Online:
September 2019
ISBN:
9780226382463
eISBN:
9780226382777
Item type:
chapter
Publisher:
University of Chicago Press
DOI:
10.7208/chicago/9780226382777.003.0004
Subject:
Biology, Biodiversity / Conservation Biology

Avian pollination is thought to be less prevalent and less at risk than avian seed-dispersal. The extent of recently revealed bird pollination that does not conform to the classic ... More


Introduction

Richard Frankham, Jonathan D. Ballou, Katherine Ralls, Mark D. B. Eldridge, Michele R. Dudash, Charles B. Fenster, Robert C. Lacy, and Paul Sunnucks

in Genetic Management of Fragmented Animal and Plant Populations

Published in print:
2017
Published Online:
September 2017
ISBN:
9780198783398
eISBN:
9780191826313
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198783398.003.0001
Subject:
Biology, Biodiversity / Conservation Biology

Genetic management of fragmented populations is one of the major, largely unaddressed issues in biodiversity conservation. Many species across the planet have fragmented distributions with small ... More


Introduction

Richard Frankham, Jonathan D. Ballou, Katherine Ralls, Mark D. B. Eldridge, Michele R. Dudash, Charles B. Fenster, Robert C. Lacy, and Paul Sunnucks

in A Practical Guide for Genetic Management of Fragmented Animal and Plant Populations

Published in print:
2019
Published Online:
November 2019
ISBN:
9780198783411
eISBN:
9780191826337
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198783411.003.0001
Subject:
Biology, Biodiversity / Conservation Biology, Evolutionary Biology / Genetics

Genetic management of fragmented populations is one of the major, largely unaddressed issues in biodiversity conservation. Many species across the planet have fragmented distributions with small ... More


Stochasticity due to finiteness

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/9780199577859.003.0011
Subject:
Biology, Ecology

The inherent stochastic nature of individual life histories implies that finite populations always carry a risk of going extinct, even if their long-term growth potential is positive. The ... More


Finding a Home: Dispersal

Dietland Müller-Schwarze

in The Beaver: Its Life and Impact

Published in print:
2011
Published Online:
August 2016
ISBN:
9780801450105
eISBN:
9780801460869
Item type:
chapter
Publisher:
Cornell University Press
DOI:
10.7591/cornell/9780801450105.003.0012
Subject:
Biology, Animal Behavior / Behavioral Ecology

This chapter provides an overview of beaver dispersal. There are a number of reasons why beavers have to disperse from their native family. As a relatively long-lived species, beavers produce 3–4 ... More


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