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Titlebook: Conservation Genetics; V. Loeschcke,S. K. Jain,J. Tomiuk Book 1994 Springer Basel AG 1994 behavior.biology.genetic information.genetics.po

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发表于 2025-3-21 18:22:37 | 显示全部楼层 |阅读模式
书目名称Conservation Genetics
编辑V. Loeschcke,S. K. Jain,J. Tomiuk
视频video
丛书名称Experientia Supplementum
图书封面Titlebook: Conservation Genetics;  V. Loeschcke,S. K. Jain,J. Tomiuk Book 1994 Springer Basel AG 1994 behavior.biology.genetic information.genetics.po
描述It follows naturally from the widely accepted Darwinian dictum that failures of populations or of species to adapt and to evolve under changing environments will result in their extinction. Population geneti­ cists have proclaimed a centerstage role in developing conservation biology theory and applications. However, we must critically reexamine what we know and how we can make rational contributions. We ask: Is genetic variation really important for the persistence of species? Has any species become extinct because it ran out of genetic variation or because of inbreeding depression? Are demographic and environmental stochas­ ticity by far more important for the fate of a population or species than genetic stochasticity (genetic drift and inbreeding)? Is there more to genetics than being a tool for assessing reproductive units and migration rates? Does conventional wisdom on inbreeding and "magic numbers" or rules of thumb on critical effective population sizes (MVP estimators) reflect any useful guidelines in conservation biology? What messages or guidelines from genetics can we reliably provide to those that work with conservation in practice? Is empirical work on numerous threat
出版日期Book 1994
关键词behavior; biology; genetic information; genetics; population; genetic engineering
版次1
doihttps://doi.org/10.1007/978-3-0348-8510-2
isbn_softcover978-3-0348-9657-3
isbn_ebook978-3-0348-8510-2Series ISSN 1664-431X Series E-ISSN 2504-3692
issn_series 1664-431X
copyrightSpringer Basel AG 1994
The information of publication is updating

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Genetic variation and fitness: Conservation lessons from pinesnature of inbreeding depression are needed both for conservation and tree breeding purposes. Populations of . are highly differentiated with respect to some adaptive quantitative variation. However, marker loci (enzyme loci, DNA) have so far not provided similar patterns of variability. It is one go
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Genetic diversity and fitness in small populationsations. In very small populations remnant polymorphism is likely to become correlated with variation at unobserved linked loci that affect fitness. To support these arguments, I report studies of two topminnow species in the genus .. Laboratory studies of the endangered Sonoran topminnow, ., reveale
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Extinction risk by mutational meltdown: Synergistic effects between population regulation and genetis facilitates further accumulation of mutations by enhanced genetic drift. Such synergistic interaction then drives the population to extinction..This mutational meltdown process is studied primarily for asexual populations. Recombination cannot stop the meltdown in small sexual populations. Indepen
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Introductory remarksthe potential detrimental roles of genetic drift and inbreeding in the present and future viability of small populations. Elementary population genetics theory has dealt with this topic only under limited conditions of weak selection, more or less stable environments, highly idealized population siz
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Inbreeding: One word, several meanings, much confusion central role in many genetic management programs. However, the word “inbreeding” has several, often contradictory meanings, and a failure to distinguish among these meanings has caused much misunderstanding on the role of inbreeding in genetic management. Three different biological meanings of inbr
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The genetic structure of metapopulations and conservation biology population genetic elements and demographic theory in metapopulation models is given. It would appear that most of the current models suffer from either the use of over-simplified demography or the avoidance of selectively important genetic factors. The scale for which predictions are made by the v
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