Subscribe free to our newsletters via your
. Earth Science News .




Subscribe free to our newsletters via your




















ABOUT US
Neandertals and Upper Paleolithic Homo sapiens had different dietary strategies
by Staff Writers
Washington DC (SPX) May 04, 2016


This is an image of a fossilized human molar used in study dietary habits of Neandertals and Upper Paleolithic Homo sapiens. Image courtesy Sireen El Zaatari. For a larger version of this image please go here.

When fluctuating climates in the Ice Age altered habitats, modern humans may have adapted their diets in a different way than Neandertals, according to a study published April 27, 2016 in the open-access journal PLOS ONE by Sireen El Zaatari of the University of Tubingen, Germany, and colleagues.

The Neandertal lineage survived for hundreds of thousands of years despite the severe temperature fluctuations of the Ice Age. The reasons for their decline around 40 thousand years ago remain unclear.

The authors of this study investigated the possible influence of dietary strategies using the fossilized molars of 52 Neandertals and Upper Paleolithic Homo sapiens (modern humans).

They analysed the type and degree of microwear on the teeth to attempt to draw conclusions about diet type and to establish a relationship with prevalent climactic conditions.

They found that as the climate fluctuated and habitats altered, Neandertals may have adapted their diet to the resources that were most readily available, eating mainly meat when in open, cold steppe environments, and supplementing their diet with more plants, seeds, and nuts when in forested landscapes.

Meanwhile, modern humans seemed to stick to their dietary strategy regardless of slight environmental changes and retained a relatively large proportion of plant-based foods in their diet.

"To be able to do this, they may have developed tools to extract dietary resources from their environment" says Sireen El Zaatari. The researchers concluded that Upper Paleolithic modern humans' differing dietary strategies may have given them an advantage over the Neandertals.

The Neandertals may have maintained their opportunistic approach of eating whatever was available in their changing habitats over hundreds of thousands of years.

However, modern humans seem to have invested more effort in accessing food resources and significantly changed their dietary strategies over a much shorter period of time, in conjunction with their development of tools, which may have given them an advantage over Neanderthals.

The European Neandertal and modern human individuals analysed in this study do not temporally overlap and thus would not inform us about direct dietary competition between these two groups.

Nevertheless, if the behavioral differences detected in this study were already established at the time of contact between them, these differences might have contributed to the demise of the Neandertals and the survival of modern humans.

El Zaatari S, Grine FE, Ungar PS, Hublin J-J (2016) Neandertal versus Modern Human Dietary Responses to Climatic Fluctuations. PLoS ONE 11(4): e0153277. doi:10.1371/journal.pone.0153277

Thanks for being here;
We need your help. The SpaceDaily news network continues to grow but revenues have never been harder to maintain.

With the rise of Ad Blockers, and Facebook - our traditional revenue sources via quality network advertising continues to decline. And unlike so many other news sites, we don't have a paywall - with those annoying usernames and passwords.

Our news coverage takes time and effort to publish 365 days a year.

If you find our news sites informative and useful then please consider becoming a regular supporter or for now make a one off contribution.

SpaceDaily Contributor
$5 Billed Once


credit card or paypal
SpaceDaily Monthly Supporter
$5 Billed Monthly


paypal only

.


Related Links
PLOS
All About Human Beings and How We Got To Be Here






Comment on this article via your Facebook, Yahoo, AOL, Hotmail login.

Share this article via these popular social media networks
del.icio.usdel.icio.us DiggDigg RedditReddit GoogleGoogle

Previous Report
ABOUT US
Chimp study explores the early origins of human hand dexterity
Hanover NH (SPX) Apr 28, 2016
Chimpanzees use manipulative dexterity to evaluate and select figs, a vital resource when preferred foods are scarce, according to a new Dartmouth-led study just published by Interface Focus. The action resembles that of humans shopping for fruits, and the study demonstrates the foraging advantages of opposable fingers and careful manual prehension, or the act of grasping an object with precisio ... read more


ABOUT US
Chile quake at epicenter of expanding disaster and failure data repository

Kenya building collapse toll rises to 21

Personal cooling units on the horizon

Workers feeling the heat as climate change slashes productivity: report

ABOUT US
It takes more than peer pressure to make large microgels fit in

Folding molecules into screw-shaped structures

Engineers develop micro-sized, liquid-metal particles for heat-free soldering

Speedy bridge repair

ABOUT US
Scientists hope corrosion research prevents another Flint, Mich.

British explorer James Cook's ship believed found in US northeast

Do fish survive in streams in winter

Armed guards at India dams as drought leaves farmers dry

ABOUT US
Extreme weather linked to high pressure over Greenland

Researchers discover fate of melting glacial ice in Greenland

Ancient tectonic activity was trigger for ice ages

New maps chart Greenland glaciers' melting risk

ABOUT US
Crop advances grow with protection

Bacteria beneficial to plants have spread across California

Australian researchers map micronutrients in white rice

Honey bee study of parasites and disease reveals troubling trends

ABOUT US
Survivor rescued 13 days after deadly Ecuador quake

Survivors sought after 10 killed in Kenya building collapse

Chile ordered to pay $2.7 mn to 2010 tsunami victims

Seismologists ask: How close are we to an eruption?

ABOUT US
Senegal signs accord giving US forces permament access to the country

Kenya torches world's biggest ivory bonfire to save elephants

Mozambique police probe reports of mass grave in rebel stronghold

Kenya's mega ivory piles 'will burn even if it snows'

ABOUT US
Hominins may have been food for carnivores 500,000 years ago

Neandertals and Upper Paleolithic Homo sapiens had different dietary strategies

Chimp study explores the early origins of human hand dexterity

Toward quieting the brain




Memory Foam Mattress Review
Newsletters :: SpaceDaily :: SpaceWar :: TerraDaily :: Energy Daily
XML Feeds :: Space News :: Earth News :: War News :: Solar Energy News






The content herein, unless otherwise known to be public domain, are Copyright 1995-2017 - Space Media Network. All websites are published in Australia and are solely subject to Australian law and governed by Fair Use principals for news reporting and research purposes. AFP, UPI and IANS news wire stories are copyright Agence France-Presse, United Press International and Indo-Asia News Service. ESA news reports are copyright European Space Agency. All NASA sourced material is public domain. Additional copyrights may apply in whole or part to other bona fide parties. All articles labeled "by Staff Writers" include reports supplied to Space Media Network by industry news wires, PR agencies, corporate press officers and the like. Such articles are individually curated and edited by Space Media Network staff on the basis of the report's information value to our industry and professional readership. Advertising does not imply endorsement, agreement or approval of any opinions, statements or information provided by Space Media Network on any Web page published or hosted by Space Media Network. Privacy Statement