Genetics, Demography and Viability of Fragmented Populations
Habitat fragmentation is one of the most ubiquitous and serious environmental threats confronting the long-term survival of plant and animal species worldwide. As species become restricted to remnant habitats, effective management for long-term conservation requires a quantitative understanding of the genetic and demographic effects of habitat fragmentation, and the implications for population viability. This book provides a detailed introduction to the genetic and demographic issues relevant to the conservation of fragmented populations such as demographic stochasticity, genetic erosion, inbreeding, metapopulation biology, and population viability analysis. The volume presents case studies on animals and plants, which illustrate a variety of approaches to examining long-term population viability. Some of the approaches include the application of molecular genetic markers, the investigation of reproductive biology, and the combination of demographic monitoring and modeling.
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allozyme analysis Australia breeding bush rat colonisation conservation biology decline deﬁned diploid dispersal distance Dudash dynamics Ecology effective population effective population size endangered environmental estimates extinction ﬁeld ﬁrst ﬁtness ﬁve ﬂowers forest fragmented populations Frankham frequency gene ﬂow genetic and demographic genetic differentiation genetic diversity genetic drift genetic erosion genetic structure genetic variation genotypes golden lion tamarins Grevillea habitat fragmentation Hedrick heterozygosity important inbred inbreeding depression increased individuals inﬂuence interactions island isolated populations lations leptorrhynchoides levels locus long-term mainland markers mating system metapopulation microsatellite microsatellite loci mistletoes molecular number of alleles outbreeding depression outcrossing pairs patches persistence plants pollen ﬂow pollination popu population growth rate population sizes population viability potential processes progeny red-cockaded woodpeckers reduced reﬂect relative remnant reproductive Rutidosis leptorrhynchoides samples seed selection selﬁng signiﬁcant signiﬁcantly simulation small populations sod-cutting Soulé spatial species studies Tablas tamarins tion trees variability