Sentences with phrase «bering land bridge»

The Bering land bridge, caused by the drop in oceans during the last glacial, had a dramatic effect on the Arctic ocean, Atlantic, and uncovered large expanses of Arctic shoreline.

Perhaps the best known of these journeys took place between 12,000 and 15,000 years ago, when Ice Age hunter - gatherers migrated across the Bering Land Bridge — an isthmus exposed by retreating ocean levels during the Ice Age — into today's Alaska.

(Photo: Bering Land Bridge National Preserve, Wikimedia Commons CC BY 2.0)

The scientists write that the new ecosystem of tree thickets, with stands over two meters high, may be similar to an ecosystem that once existed along the Bering land bridge 12,000 years ago; the very same land bridge that early humans used to cross from Asia and into the Americas for the first time.

They came from Siberia by way of the Bering land bridge and brought with them a system of spiritual beliefs based in rituals of astral projection, animal metamorphosis, and the healing séance.

Both the Coastal Eskimo Dog and the Alaskan Interior Village Dog descended from the ancient dogs of nomadic hunter gathers that used the Bering Land Bridge to migrate across the Bering Strait into Alaska over 14,000 years ago.

However, scientific evidence has shown that the breed has lineage from American dogs that originally came over the Bering Land Bridge.

A genetic analysis of a baby's remains dating back 11,500 years suggests... crossed Beringia — the Bering land bridge — in a single migratory wave, then...

Whether or not the first continental Americans arrived in such a way, or by crossing the Bering Land Bridge, remains a mystery for now.

The western and eastern portions of Beringia were joined by the Bering Land Bridge that was dissected at times by several rivers.

A popular hypothesis known as the Bering Land Bridge Theory, first proposed in 1590 by the Spanish missionary Fray Jose de Acosta, posits that during the Pleistocene, Beringia was a vast super-continent that extended from Siberia to what is now the Yukon territory of Canada.

About 3.5 million years ago, early Ursine bears began migrating to North America by way of the Bering Land Bridge.

«Early humans could have used watercraft and followed the coast of Asia north then along the southern coast of the Bering Land Bridge and crossing a short distance of water if the land bridge was already breached.

The Bering Land Bridge was inundated by rising sea levels around 130,000 years ago so humans could not have got in by land after that for quite a few thousand years.»

The first is that they came across the Bering Land Bridge — they would have had to come in before 130,000 years ago, which is an interesting date because that's how old the site is.

Waters thinks the first American colonists came over the Bering land bridge from Asia, and may have reached Alaska as early as 20,000 years ago.

Which probably means that when the ancient evolutionary ancestors to white - tailed deer traveled from Eurasia across the Bering Land Bridge to North America in the Miocene, some 4.2 to 5.7 million years ago — malaria came along for the ride.

Giant camels are known to have existed alongside smaller camels and other megafauna in North America millions of years ago and are thought to have migrated across the Bering Land Bridge into Asia.

Although the date when people first entered America is hotly debated, archaeologists agree that the first immigrants came from Asia across the Bering land bridge.

This is important as archaeologists have long suspected that some of the earliest Americans may have crossed the Bering land bridge from northeastern Asia.

The researchers identified the land mass connecting Asia with North America, the Bering land bridge, as the most likely location.

Crossing the straits by boat and walking the beaches, they could have gradually explored the coasts of the Kuril Islands, the Kamchatka Peninsula, and the Bering Land Bridge until finally reaching the west coast of the Americas, a journey of several thousand miles.

While most of the region endured dry, freezing weather, pockets of «refugia,» or vegetated areas not affected by climate change, remained scattered along the Bering land bridge throughout the LGM period.

The location, date, and composition of the artifacts suggest not only that our ancestors had adapted to the climate, says Michael Waters, an archaeologist at Texas A&M University, but that they may also have been in a position to migrate across the Bering Land Bridge to North America before glaciers closed off the route at the height of the last ice age.

At the peak of the last ice age, around 21,000 years ago, it was a volcanically active spot on the southern edge of the Bering Land Bridge.

They say the cooked bones provide the first clear evidence of salmon fishing among the earliest Americans, Paleoindians, who crossed from Siberia into Alaska over the Bering Land Bridge more than 13,000 years ago.

A longstanding hypothesis claimed that the first migration took place 12,600 years ago through an ice - free corridor between retreating North American glaciers, via the ice - age Bering Land Bridge between Siberia and Alaska.

«The Bering land bridge wasn't just a temporary stop on the way to and from Asia,» Zazula says.

Image credit: Emiliano Bellini At least 15,000 years ago intrepid Siberians crossed the newly exposed Bering land bridge to arrive in the unpeopled Americas.

The ancient recipe which follows was invented by the Alaxsxaq Indians of the Valley of Ten Thousand Smokes on the Bering Land Bridge.

Not exact matches

Instead, while tracing back to the easiest access to North America scientists have agreed earlier in this century that Native Americans came mainly from North Asia through the Bering Strait land bridge.

Researchers have long understood that people migrated from Siberia to Alaska across a region called Beringia, which included a now - submerged land bridge — but they disagree whether the artifacts at Siberian sites resemble those on the other side of the Bering Strait.

The analysis suggests that a founding tribe of a couple of hundred people (including elderly, children, and others who could not reproduce) may have migrated to North America across a Bering Strait land bridge as recently as 7,000 to 8,000 years ago.

The findings offer genetic confirmation that the first Americans crossed the land bridge that once stretched from Siberia to Alaska across the Bering Strait.

But when Nick Pyenson of the Smithsonian Institution in Washington DC modelled Pacific feeding grounds during peak glaciation, he found that very little of the north Pacific was shallow enough for feeding: sea levels were up to 120 metres lower than today and the Bering Sea was a land bridge.

The researchers made a land bridge between Russia and Alaska by closing the Bering Strait, and they added land to connect a few modern islands in the Canadian Arctic, including Ellesmere.

For decades researchers have promoted the idea that the first Americans were clans of Siberian big - game hunters who trekked hundreds of miles on foot over a vast land bridge (where the Bering Strait is now) and came south from Alaska some 13,000 years ago.

During glacial periods, sea level falls as water gets locked up in the ice sheets, and in extreme cases the Bering Strait connecting the Bering Sea to the Arctic Ocean closes and becomes a land bridge.

That indicated to the researchers that the first bottleneck occurred as people migrated out of Africa to the Middle East about 50,000 to 60,000 years ago, and the second, 19,000 kilometers away, when they crossed the ancient land bridge in the Bering Strait to the Americas.

Hummingbirds can not fly across oceans, so they must have travelled overland, crossing a land bridge over the Bering Strait into North America before heading south.

This ebb and flow of the sea exposed a land - bridge across the Bering Straight between Alaska and Siberia.

The Chinese dogs may have been brought over when a land bridge spanned the Bering Strait, or they may have been brought later by Spanish traders.