Sentences with phrase «migration events»

Hurricane Maria's destruction on Puerto Rico could spawn one of the largest mass migration events in the United States» recent history, experts say, as tens of thousands of storm victims flee the island territory to rebuild their lives on the U.S. mainland.

This provided the researchers with a snapshot of UK genetics in the late 19th Century before mass migration events.

Genomic analyses inform on migration events during the peopling of Eurasia Pagani, L., D.J. Lawson, E. Jagoda, et.

The genome analysis also questions previous findings that modern humans populated Asia in two waves from their origin in Africa, finding instead a common origin for all populations in the Asia - Pacific region, dating back to a single out - of - Africa migration event.

«Our research provides a climate context for some of the big human migration events in Europe and allows us to start building hypotheses about the impact of environment on societal change,» says Baker.

«There's a tradeoff between saving energy to successfully survive the additional migration event and putting all of their eggs in one basket.»

Table S9 Regional brain capacity models Figure S1 Comparison of the probability of a dispersal or migration event out of East Africa with the Lake variability index.

Table S2 Alternative scenarios for hominin migration events based on putative timings in the literature.

A parsimonious explanation for periodic migration events is that they were forced or facilitated by climatic conditions.

However, other scholars (Botigué and colleagues, cited below) have investigated and found evidence to support migration event (s) across the central Asia steppe region, but not for a complete replacement.

This built upon insights drawn from earlier work Novembre conducted as a post-doctoral fellow with then mentor, and now close colleague, Matthew Stephens, PhD, professor of human genetics and statistics at the University of Chicago, in which they uncovered vulnerabilities in a classic statistical tool used to analyze the geographic distribution of genetic diversity and large - scale migration events.

With sea level rise slowly swallowing Pacific island nations and warming sea and air temperatures exacerbating droughts and floods around the world, we're closer than we've ever been to a climate change - triggered migration event.»

Significant maritime migration events elsewhere in the world are noted from time to time.»

Whether the newly modeled conditions prevailed long enough to account for all four of the migration events molecular biologists have detected is uncertain, although preliminary data suggest that Madagascar did not move into its present location until some 15 million years ago — well after the last proposed dispersal event.

So being able to get a snapshot from before these migration events occurred is a big step,» Gallego Llorente said.

These migration events were driven by climate change connected to variations in Earth's orbit.

Patterns of population splits and migration events were analyzed using TreeMix (82) and the intersection of SNPs passing quality filters for the ancient specimens, all modern horses, and the domestic donkey (when included).

So being able to get a snapshot from before these migration events occurred is a big step,» said Marcos Gallego Llorente, first author of the study, also from Cambridge's Zoology Department.

However, these hypotheses, which emphasise long - term trends toward either a drier or more variable climate, do not explain the pulsed nature of hominin speciation and migration events.

This migration event is referred to as the Elder Crossing and has baffled the Guild for years.

This is where the journey begins because the truth behind a migration event is more unexpected than initially thought.

This migration event is referred to as the Elder Crossing.