Posts Tagged ‘Migration’

Academy of Social Sciences Names 69 New Fellows

Sixty-nine academics, practitioners and policymakers from across the social sciences are now fellows of Britain’s Academy of Social Sciences the venerable society announced Thursday. Fellows are chosen after an extensive peer review process for the excellence and impact of their work using social science for public benefit.

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Late Pleistocene climate drivers of early human migration

On the basis of fossil and archaeological data it has been hypothesized that the exodus of Homo sapiens out of Africa and into Eurasia between ~50–120 thousand years ago occurred in several orbitally paced migration episodes. Crossing vegetated pluvial corridors from northeastern Africa into the Arabian Peninsula and the Levant and expanding further into Eurasia, Australia and the Americas, early H. sapiens experienced massive time-varying climate and sea level conditions on a variety of timescales. Hitherto it has remained difficult to quantify the effect of glacial- and millennial-scale climate variability on early human dispersal and evolution. Here we present results from a numerical human dispersal model, which is forced by spatiotemporal estimates of climate and sea level changes over the past 125 thousand years. The model simulates the overall dispersal of H. sapiens in close agreement with archaeological and fossil data and features prominent glacial migration waves across the Arabian Peninsula and the Levant region around 106–94, 89–73, 59–47 and 45–29 thousand years ago. The findings document that orbital-scale global climate swings played a key role in shaping Late Pleistocene global population distributions, whereas millennial-scale abrupt climate changes, associated with Dansgaard–Oeschger events, had a more limited regional effect.

Stress and food deprivation: linking physiological state to migration success in a teleost fish [RESEARCH ARTICLE]

J. D. Midwood, M. H. Larsen, K. Aarestrup, and S. J. CookeFood deprivation (FD) is a naturally occurring stressor that is thought to influence the ultimate life-history strategy of individuals. Little is known about how FD interacts with other stresso…

OU study demonstrates seasonality of bird migration in response to environmental cues

A University of Oklahoma study demonstrates for the first time that remote sensing data from weather surveillance radar and on-the-ground data from the eBird citizen science database both yield robust indices of migration timing, also known as migratio…

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