Evolutionary Conservation Genetics
Conservation genetics focuses on understanding the role and requirement of genetic variation for population persistence. However, considerable debate now surrounds the role of genetic factors (as opposed to non-genetic factors such as habitat destruction etc.) in population extinction, and a comprehensive synthesis is now timely. Can extinction be explained by habitat destruction alone or is lack of genetic variation a part of the explanation? The book thoroughly reviews the arguments for a role of genetics in the present biodiversity crisis. It describes the methods used to study genetic variation in endangered species and examines the influence of genetic variation in the extinction of species. To date, conservation genetics has predominantly utilized neutral genetic markers e.g. microsatellites. However, with the recent advances in molecular genetics and genomics it will soon be possible to study 'direct gene action', following the fate of genetic variation at the level of DNA, through expression, to proteins in order to determine how such phenotypes fare in populations of free living organisms. Evolutionary Conservation Genetics explores these exciting avenues of future research potential, integrating ecological quantitative genetics with the new genome science. It is now more important than ever that we ask relevant questions about the evolutionary fate of endangered populations throughout the globe and incorporate our knowledge of evolutionary processes and the distribution of genetic diversity into effective conservation planning and action.
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1 The extinction vortex is genetic variation related to extinction?
2 How to measure genetic variation
3 Inbreeding geographic subdivision and gene flow
4 Genetic diversity in changing environments
Mhc and others
6 Local adaptation
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adaptation additive genetic AFLP allele frequencies allozymes analysis balancing selection Bernatchez birds black grouse bottlenecks chicken common conservation biology conservation genetic correlated Darwin’s finches demographic detect ecological effective population effective population size endangered populations environmental estimate evolution evolutionary example expected extinction extinction vortex F ST fitness fragmented gene flow genetic data genetic diversity genetic drift genetic variation genomic genotypes habitat haplotype Hardy–Weinberg Hedrick heritability heterozygosity Höglund human-induced important inbreeding coefficient inbreeding depression increased individuals isolated lation life-history traits linkage locus loss of genetic markers mating MC1R Mhc class Mhc class II Mhc genes Mhc variation microsatellite loci microsatellites Molecular Ecology morphology mutation natural populations natural selection neutral non-model species nucleotide observed phenotypic polymorphism popu population differentiation population structure predicted protein quantitative genetic regions reprinted with permission sample sequence SNPs studies subpopulations suggest techniques threatened tion toad variability variance