Genetic Management of Fragmented Animal and Plant Populations by Richard FrankhamGenetic Management of Fragmented Animal and Plant Populations by Richard Frankham

Genetic Management of Fragmented Animal and Plant Populations

byRichard Frankham, Jonathan D. Ballou, Katherine Ralls

Paperback | August 12, 2017

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One of the greatest unmet challenges in conservation biology is the genetic management of fragmented populations of threatened animal and plant species. More than a million small, isolated, population fragments of threatened species are likely suffering inbreeding depression and loss ofevolutionary potential, resulting in elevated extinction risks. Although these effects can often be reversed by re-establishing gene flow between population fragments, managers very rarely do this. On the contrary, genetic methods are used mainly to document genetic differentiation amongpopulations, with most studies concluding that genetically differentiated populations should be managed separately, thereby isolating them yet further and dooming many to eventual extinction! Many small population fragments are going extinct principally for genetic reasons. Although the rapidlyadvancing field of molecular genetics is continually providing new tools to measure the extent of population fragmentation and its genetic consequences, adequate guidance on how to use these data for effective conservation is still lacking. This accessible, authoritative text is aimed at senior undergraduate and graduate students interested in conservation biology, conservation genetics, and wildlife management. It will also be of particular relevance to conservation practitioners and natural resource managers, as well as a broaderacademic audience of conservation biologists and evolutionary ecologists.
Emeritus Professor Richard Frankham is one of the leading international figures in conservation genetics, having been a pioneering researcher in the discipline and senior author on the first textbooks in the field. In 2005 he was awarded a DSc by Macquarie University (Sydney, Australia), based upon his published work (now 160 publicat...
Title:Genetic Management of Fragmented Animal and Plant PopulationsFormat:PaperbackDimensions:528 pages, 9.69 × 7.44 × 0.03 inPublished:August 12, 2017Publisher:Oxford University PressLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:019878340X

ISBN - 13:9780198783404

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Table of Contents

1. IntroductionSection 1: Genetic problems in small isolated populations2. Evolutionary genetics of small populations3. Inbreeding reduces reproductive fitness4. Loss of genetic diversity reduces ability to adapt5. Population fragmentation causes inadequate gene flow and increases extinction riskSection 2: Rescue and risk6. Genetic rescue by augmenting gene flow7. Outbreeding depression is uncommon and predictable8. Modified rescue and risk expectations for species with diverse mating systems and modes of inheritanceSection 3: Developing management decisions9. Is the taxonomy appropriate? Delineating species for conservation purposes10. Determining the number and location of genetically differentiated population fragments11. Are there populations suffering genetic erosion that would benefit from augmented gene flow?12. Managing gene flow among isolated population fragments. I. Limited information13. Managing gene flow among isolated population fragments. II. Management based on kinship14. Global climate change increases the need for genetic management15. Take home messages