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- Effective_population_size abstract "The effective population size is the number of individuals that an idealised population would need to have, in order to behave in a similar manner to the real population of interest. In some simple cases, this effective population size is equal to the number of breeding individuals in the population. Idealised populations are based on unrealistic simplifications such as random mating, simultaneous birth of each new generation, constant population size, and equal numbers of children per parent. The census population size (N) of a real population is usually larger than the effective population size. The motivation for determining effective population size may be direct (a conservationist might be interested in comparing breeding strengths of wildife populations) or indirect (an anthropologist might be interested in census size of extinct Neanderthals but has only limited ancient DNA data at hand; the Neanderthal effective size can easily be calculated from the DNA and then approximately converted into census size using empirical conversion factors from living humans). In population genetics, the concept of effective population size Ne was introduced by the American geneticist Sewall Wright. He defined it as \"the number of breeding individuals in an idealised population that would show the same amount of dispersion of allele frequencies under random genetic drift or the same amount of inbreeding as the population under consideration\". More generally, an effective population size may be defined as the number of individuals in an idealized population that has a value of any given population genetic quantity that is equal to the value of that quantity in the population of interest. The two population genetic quantities identified by Wright were the one-generation increase in variance across replicate populations (variance effective population size) and the one-generation change in the inbreeding coefficient (inbreeding effective population size). These two are closely linked, and derived from F-statistics, but they are not identical.Today, the effective population size is usually estimated empirically with respect to the sojourn or coalescence time, estimated as the within-species genetic diversity divided by the mutation rate. Another important effective population size is the selection effective population size 1/scritical, where scritical is the critical value of the selection coefficient at which selection becomes more important than genetic drift.".
- Effective_population_size wikiPageExternalLink node7.html.
- Effective_population_size wikiPageExternalLink EffectiveSize.html.
- Effective_population_size wikiPageExternalLink 6.htm.
- Effective_population_size wikiPageID "1543960".
- Effective_population_size wikiPageLength "17326".
- Effective_population_size wikiPageOutDegree "46".
- Effective_population_size wikiPageRevisionID "699719455".
- Effective_population_size wikiPageWikiLink Allele_frequency.
- Effective_population_size wikiPageWikiLink Arithmetic_mean.
- Effective_population_size wikiPageWikiLink Category:Ecological_metrics.
- Effective_population_size wikiPageWikiLink Category:Population_ecology.
- Effective_population_size wikiPageWikiLink Category:Population_genetics.
- Effective_population_size wikiPageWikiLink Coalescent_theory.
- Effective_population_size wikiPageWikiLink Coefficient_of_relationship.
- Effective_population_size wikiPageWikiLink Conditional_variance.
- Effective_population_size wikiPageWikiLink Dioecy.
- Effective_population_size wikiPageWikiLink F-statistics.
- Effective_population_size wikiPageWikiLink Gamete.
- Effective_population_size wikiPageWikiLink Generation.
- Effective_population_size wikiPageWikiLink Generation_time.
- Effective_population_size wikiPageWikiLink Genetic_drift.
- Effective_population_size wikiPageWikiLink Genetic_hitchhiking.
- Effective_population_size wikiPageWikiLink Geneticist.
- Effective_population_size wikiPageWikiLink Harmonic_mean.
- Effective_population_size wikiPageWikiLink Idealised_population.
- Effective_population_size wikiPageWikiLink Inbreeding.
- Effective_population_size wikiPageWikiLink Life_table.
- Effective_population_size wikiPageWikiLink Mean.
- Effective_population_size wikiPageWikiLink Mean_sojourn_time.
- Effective_population_size wikiPageWikiLink Minimum_viable_population.
- Effective_population_size wikiPageWikiLink Mutation_rate.
- Effective_population_size wikiPageWikiLink Neutral_theory_of_molecular_evolution.
- Effective_population_size wikiPageWikiLink Nucleotide_diversity.
- Effective_population_size wikiPageWikiLink Poisson_distribution.
- Effective_population_size wikiPageWikiLink Population_bottleneck.
- Effective_population_size wikiPageWikiLink Population_genetics.
- Effective_population_size wikiPageWikiLink Population_size.
- Effective_population_size wikiPageWikiLink Reproduction.
- Effective_population_size wikiPageWikiLink Reproductive_value_(population_genetics).
- Effective_population_size wikiPageWikiLink Ronald_Fisher.
- Effective_population_size wikiPageWikiLink Selection_coefficient.
- Effective_population_size wikiPageWikiLink Sewall_Wright.
- Effective_population_size wikiPageWikiLink Sex_ratio.
- Effective_population_size wikiPageWikiLink Small_population_size.
- Effective_population_size wikiPageWikiLink United_States.
- Effective_population_size wikiPageWikiLink Variance.
- Effective_population_size wikiPageWikiLinkText "Effective population size".
- Effective_population_size wikiPageWikiLinkText "breeding population".
- Effective_population_size wikiPageWikiLinkText "effective population size".
- Effective_population_size wikiPageWikiLinkText "effective population".
- Effective_population_size wikiPageUsesTemplate Template:Citation_needed.
- Effective_population_size wikiPageUsesTemplate Template:Cite_web.
- Effective_population_size wikiPageUsesTemplate Template:Modelling_ecosystems.
- Effective_population_size wikiPageUsesTemplate Template:Population_genetics.
- Effective_population_size wikiPageUsesTemplate Template:Qg.
- Effective_population_size wikiPageUsesTemplate Template:Reflist.
- Effective_population_size subject Category:Ecological_metrics.
- Effective_population_size subject Category:Population_ecology.
- Effective_population_size subject Category:Population_genetics.
- Effective_population_size hypernym Number.
- Effective_population_size type Field.
- Effective_population_size type Redirect.
- Effective_population_size type Subfield.
- Effective_population_size comment "The effective population size is the number of individuals that an idealised population would need to have, in order to behave in a similar manner to the real population of interest. In some simple cases, this effective population size is equal to the number of breeding individuals in the population. Idealised populations are based on unrealistic simplifications such as random mating, simultaneous birth of each new generation, constant population size, and equal numbers of children per parent.".
- Effective_population_size label "Effective population size".
- Effective_population_size sameAs Q1295959.
- Effective_population_size sameAs حجم_التجمع_الفعال.
- Effective_population_size sameAs Ефективен_размер_на_популация.
- Effective_population_size sameAs Mida_poblacional_efectiva.
- Effective_population_size sameAs Efektivní_velikost_populace.
- Effective_population_size sameAs Effektive_Populationsgröße.
- Effective_population_size sameAs Populatsiooni_efektiivne_suurus.
- Effective_population_size sameAs Ukuran_populasi_efektif.
- Effective_population_size sameAs Efectivo_populacional.
- Effective_population_size sameAs m.05935k.
- Effective_population_size sameAs Эффективный_размер_популяции.
- Effective_population_size sameAs Effektiv_populationsstorlek.
- Effective_population_size sameAs Etkin_popülasyon_büyüklüğü.
- Effective_population_size sameAs Ефективний_розмір_популяції.
- Effective_population_size sameAs Q1295959.
- Effective_population_size sameAs 有效種群大小.
- Effective_population_size wasDerivedFrom Effective_population_size?oldid=699719455.
- Effective_population_size isPrimaryTopicOf Effective_population_size.