Sentences with phrase «demographic history»
"Demographic history" refers to the study of the past and changes in the population of a particular group, region, or country over time. It focuses on aspects like birth rates, death rates, migration patterns, and various demographic factors that influence population growth or decline. Full definition
It is very difficult to track ancient demographic history of animals, even more when there are no fossil records to guide the work.
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The marked genetic differentiation of the communities in the German - speaking islands can also be traced back to their different demographic histories.
Whole - genome sequence variation, population structure and demographic history of the Dutch population.
But it's also possible that there may be elements of human demographic history that predispose these lineages to coalesce at certain times.»
Song added that the state - of - the - art statistical methods that his and Nielsen's labs developed «are being made publicly available so that they can be used by others to study complex demographic histories of other populations.
Inferring demographic history from a spectrum of shared haplotype lengths.
Inferring demographic history from a spectrum of shared haplotype lengths Harris, K. and R. Nielsen.
Health care: As Canada grows older, health - care professionals grow richer In 10 years, Canada will make demographic history when the senior citizen population tips to outnumber children.
These results reflect the differing demographic histories of the three groups and their various levels of genetic isolation due to the mountainous environment.
To shed light on the mystery of Bornean elephant's origin, Chikhi and Goossens» team used genetic data analysis and computational modelling to study the past demographic history of these animals.
The genius of these new computational methods is their ability to detect unknown episodes of mating and infer a complete demographic history.
These methods will also benefit other endangered species captive breeding programs that possess similar demographic histories.»
In general, the Jubbah cores are not akin to the early North African and Levantine assemblages produced by Homo sapiens, perhaps signaling a complicated demographic history, and indicating limitations of using particular stone artifact types as proxies for hominin species and populations [59], [60].
The discovery of single - nucleotide polymorphisms — and inferences about human demographic history Wakeley, J., R. Nielsen, S. Neen Liu - Cordero, and K. Ardlie.
The effect of ancient DNA damage on inferences of demographic histories Axelsson, E., E. Willerslev, M. T. P. Gilbert, and R. Nielsen.
It still harbors high levels of genetic diversity as a result of a complex demographic history.
The discovery of single - nucleotide polymorphisms — and inferences about human demographic history.
The use of microsatellite variation to infer population structure and demographic history in a natural model system
Dr. Soares earned his PhD at the Federal University of Rio de Janeiro, and shortly after came to the UCSC Paleogenomics laboratory where he was tasked with deciphering the evolutionary and demographic history of the Passenger Pigeon.Read More
Genomic sequencing of ancient dogs in the Americas to understand their demographic history.
Local human demographic history is inferred from in - depth DNA sequence analysis of Sardinian men's Y chromosomes.
«The demographic history of early European populations was much more dynamic that previously thought,» says Posth.
The demographic history of the Iberian lynx has been marked by three historic declines, the last of which took place some 300 years ago, decimating its population.
Demographic histories and patterns of linkage disequilibrium in Chinese and Indian rhesus macaques.
The effect of ancient DNA damage on inferences of demographic histories.
Demographic histories and patterns of linkage disequilibrium in Chinese and Indian rhesus macaques Hernandez, R. D., M. J. Hubisz, D. A. Wheeler, D. G. Smith et al. 2007.
Previous research project During my PhD in Lille, I investigated the relative effects of demographic history and indirect natural selection on molecular evolution of sequences in Arabidopsis halleri and A. lyrata.
The objective is to use this knowledge to generate hypotheses about the demographic history of a species, quantify the amount of spatial population substructure within a species, and to identify new regions in the genome showing an excess of genetic differentiation compatible with the presence of selective pressures.
Though our ability to infer what was surely a complex demographic history is limited by the number of ancient samples available and large uncertainties associated with the coalescent and evolutionary processes, these first ancient data for gray whales demonstrate the value of paired genetic and isotopic studies of ancient samples, showing that a population bottleneck can result in significant genetic differentiation between ancient and modern samples without requiring spatial structure.
The use of microsatellite variation to infer patterns of migration, population structure, and demographic history: an evaluation of methods in a natural model system.