Suggestions(5)
Exact(29)
Demographic history is the population events in the past, while the genetic diversity data available is contemporary.
To infer demographic history is to estimate population events in the past with population data at present.
This study describes an approach which combines tephra records with archaeological and contextual data in order to propose best fit scenarios for past cultural changes and population events.
This illustrates very well one of the main methodological problems discussed by Blench et al. (2008), the fact that genetic tree nodes do not correspond to identifiable events in population history, and are generally older than population events.
Our results highlight the urge for cautiousness when predicting the future concerning probabilities for extreme population events.
The frequency of periods with warm enough periods will also affect the probability for extreme population events.
Similar(31)
Collectively, these observations strongly suggest that individual SPWs occur when small populations of neighboring pyramidal cells are recruited by local associational connections into near-synchronous discharge, resulting in a population event that radiates throughout CA3 and into CA1.
Explicit tests of the point were made here by asking if stimulation of a small population of mossy fibers generates a CA3 population event with the characteristics of a SPW.
Here, we apply a new method that incorporates a variety of diverse data sets to reflect on this important population event to evaluate the climate versus competition hypotheses for Neanderthal extinction.
Together, our results suggest that amniote gastrulation is a population event.
Although this implies a major population event from the East to West Asia, we note that these weights are not direct estimates of the migration rates.
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