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

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

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

Af: Robert C. Lacy, Paul Sunnucks, Jonathan D. Ballou, Mark Eldridge, Katherine Ralls, Richard Frankham, Michele R. Dudash, Charles B. Fenster Engelsk Paperback
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The habitats of most species have been fragmented by human actions, isolating small populations that consequently develop genetic problems. Millions of small, isolated, fragmented populations are likely suffering from inbreeding depression and loss of genetic diversity, greatly increasing their risk of extinction. Crossing between populations is required to reverse these effects, but managers rarely do so. A key reason for such inaction is that managers are often advised to manage populations in isolation whenever molecular genetic methods indicate genetic differences among them. Following this advice will often doom small populations to extinction when the habitat fragmentation and genetic differences were caused by human activities. A paradigm shift is required whereby evidence of genetic differentiation among populations is a trigger to ask whether any populations are suffering genetic problems, and if so, whether they can be rescued by augmenting gene flow. Consequently, there is now an urgent need for an authoritative practical guide to facilitate this paradigm shift in genetic management of fragmented populations.
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The habitats of most species have been fragmented by human actions, isolating small populations that consequently develop genetic problems. Millions of small, isolated, fragmented populations are likely suffering from inbreeding depression and loss of genetic diversity, greatly increasing their risk of extinction. Crossing between populations is required to reverse these effects, but managers rarely do so. A key reason for such inaction is that managers are often advised to manage populations in isolation whenever molecular genetic methods indicate genetic differences among them. Following this advice will often doom small populations to extinction when the habitat fragmentation and genetic differences were caused by human activities. A paradigm shift is required whereby evidence of genetic differentiation among populations is a trigger to ask whether any populations are suffering genetic problems, and if so, whether they can be rescued by augmenting gene flow. Consequently, there is now an urgent need for an authoritative practical guide to facilitate this paradigm shift in genetic management of fragmented populations.
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Produktdetaljer
Sprog: Engelsk
Sider: 198
ISBN-13: 9780198783428
Indbinding: Paperback
Udgave:
ISBN-10: 0198783426
Kategori: Truede arter og artsudryddelse
Udg. Dato: 24 okt 2019
Længde: 11mm
Bredde: 245mm
Højde: 189mm
Forlag: Oxford University Press
Oplagsdato: 24 okt 2019
Forfatter(e): Robert C. Lacy, Paul Sunnucks, Jonathan D. Ballou, Mark Eldridge, Katherine Ralls, Richard Frankham, Michele R. Dudash, Charles B. Fenster
Forfatter(e) Robert C. Lacy, Paul Sunnucks, Jonathan D. Ballou, Mark Eldridge, Katherine Ralls, Richard Frankham, Michele R. Dudash, Charles B. Fenster

Kategori Truede arter og artsudryddelse

ISBN-13 9780198783428

Sprog Engelsk

Indbinding Paperback

Sider 198

Udgave

Længde 11mm

Bredde 245mm

Højde 189mm

Udg. Dato 24 okt 2019

Oplagsdato 24 okt 2019

Forlag Oxford University Press

Kategori sammenhænge