Sentences with phrase «human migration events»

Not exact matches

«If climate were causing this, we would expect to see these extinction events either sometimes (diverging from) human migration across the globe or always lining up with clear climate events in the record,» said Lyons, assistant professor of biology at Nebraska.

Food shortage, drought, migration and human security are issues in a society that can later unfold to big issues between states, Slaughter said at the event.

«We know that there are likely to have been at least two admixture events into the ancestors of present - day people — the shared event early during modern human migration out of Africa, and a second event into the ancestors of present - day Asians,» says Kelso.

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.

If the migration from Indonesia to Madagascar was «a limited event» which brought only a small number of colonizers in a few voyages, then why does the human population of the island have such a high diversity of maternal and paternal lineages with Indonesian origin?

To this end, his work often relies on anthropology and human history as much as it does on genome sequencing and computation, in order to decipher the subtle genetic signatures that appear when species undergo major events such as population bottlenecks, large - scale migration or dispersal events, or the development of resistance to disease.

The eloquence of their work in reflecting on the nature of the societies from which they departed, and the character of those in which they came to be rooted anew, will give us much to consider against the backdrop of the cataclysmic global events that have caused massive human migrations in our own time.

In this complex scenario, Teresa Margolles deals with material fragments of buildings, transporting them across borders and reassembling them remotely in large format sculptures, as a call to read these traces as part of larger processes, events and social relations, such as migration, international drug trade, or human trafficking.

The fall in temperatures that accompanied the 8.2 ka event also corresponded with abrupt migrations of human populations and abandonment of sites ranging from Spain to Greece and in the Middle East (Gonzalez - Samperiz et al., 2009)....

Climate change driven disruptions to ecosystems have direct and indirect human impacts, including reduced water supply and quality, the loss of iconic species and landscapes, effects on food chains and the timing and success of species migrations, and the potential for extreme weather and climate events to destroy or degrade the ability of ecosystems to provide societal benefits.11

Human migration and socio - political ramifications are also to be considered further strained as droughts and other weather events change with the shifting climate due to the forcings human industrial output has imposed on the climate syHuman migration and socio - political ramifications are also to be considered further strained as droughts and other weather events change with the shifting climate due to the forcings human industrial output has imposed on the climate syhuman industrial output has imposed on the climate system.

The IPCC has already concluded that it is «virtually certain that human influence has warmed the global climate system» and that it is «extremely likely that more than half of the observed increase in global average surface temperature from 1951 to 2010» is anthropogenic.1 Its new report outlines the future threats of further global warming: increased scarcity of food and fresh water; extreme weather events; rise in sea level; loss of biodiversity; areas becoming uninhabitable; and mass human migration, conflict and violence.

Natural Disaster is defined as widespread disruption of human lives by disasters such as flood, drought, tidal wave, fire, hurricane, earthquake, windstorm, or other storm, landslide, or other natural catastrophe or event resulting in migration of the population for its safety.