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Topic: Late Pleistocene


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In the News (Tue 16 Jul 19)

  
 pleistocene megafauna prehistoric animals palaeontology earth sciences information uk
The skeletaland characterize extinct megafauna (e.g., Vereshchagin andthe nature of the late Pleistocene Beringian environmenthuman invasion, and the megafaunal extinction.
Late Pleistocene climates of BeringiaDNA sequences from late Pleistocenemegafauna.
Graysonshifts, during the late Pleistocene epoch, which ended aboutdemise of North America's megafauna.
www.v8go.co.uk /information/earth-sciences/palaeontology/prehistoric-animals/pleistocene-megafauna.asp   (373 words)

  
 Dinosaur Game,Memory Game,Dinosaur Picture Game
Prehistoric animal - Arctodus simus - Late Pleistocene Epoch 120-10 TYA
Prehistoric animal - Coelodonta - Late Pleistocene Epoch - 200-25 TYA
Prehistoric animal - American Lion - Late Pleistocene Epoch 120-10 TYA
store.dinosaurcorporation.com /dipidiga.html   (373 words)

  
 Environment News Service ENS Latest Environmental Information Education Current Issues RSS
Analysis of sediment and ecological data shows that it became increasingly arid during the late Pleistocene, which led to the disappearance of woodland and scrubland and expansion of grassland.
Most of the megafauna species became extinct late in the Pleistocene Epoch, perhaps 20,000 years ago.
Megafauna - giant mammals, birds and reptiles - roamed the globe in the Pleistocene epoch, between 1.8 million and 10,000 years ago.
www.ens-newswire.com /ens/jun2005/2005-06-01-02.asp   (1038 words)

  
 Untitled Document
SOME LATE PLEISTOCENE, NOW-EXTINCT FAUNA OF Notes on Sources: These all make clear that the geographical distributions of the animals discussed below were highly variable, but all below were found in the American Southwest at least to some extent.
Most late Pleistocene bird extinctions involved large to very large flesh-eating birds, particularly the large-carrion feeders.
The main source for the text of this essay is the essay by Anderson, Elaine, "Who's Who in the Pleistocene: a Mammalian Bestiary", pp.
www.saguaro-juniper.com /i_and_i/history/megafauna.html   (913 words)

  
 High-latitude influence on the eastern equatorial Pacific climate in the early Pleistocene epoch
Beaufort, L., de Garidel-Thoron, T., Mix, A. and Pisias, N. ENSO-like forcing on oceanic primary production during the late Pleistocene.
High-latitude influence on the eastern equatorial Pacific climate in the early Pleistocene epoch
Shackleton, N. J., Berger, A. and Peltier, W. An alternative astronomical calibration of the lower Pleistocene timescale based on ODP site 677.
www.nature.com /doifinder/10.1038/nature02338   (913 words)

  
 Environmental History of the Southwest Study Guide #2
Describe the vegetation and climate for each of the following: Late Pleistocene, Early Holocene, Middle Holocene, and Late Holocene.
Discuss the pros and cons of the climate change and human impact hypotheses to the extinction of megafauna at the Pleistocene/Holocene boundary.
Discuss the hypothesis that the extinction of megafauna was a combination of effects.
www.ltrr.arizona.edu /geos220/study/study22003.html   (694 words)

  
 Paleo-Environment Settings of the Dongfang Plaza Late-Paleolithic Site, Wangfujing, Beijing
Cultural sites of dry-cold late Late-Pleistocene have been found in Beijing, Inner Mongolia Autonomous Region, Heilongjiang province and other places, which indicates that the people of late Late-Pleistocene already had the ability to defend the dry-cold weather.
The Dongfang Plaza cultural site, located in Wangfujing, Beijing, is the first found of late paleolithic relic in Beijing plain.
The landform on which ancient human activity relic located was interfluvial floodplain on Yongding River Alluvial Fan.
www.pku.edu.cn /academic/xb/2000/_00e214.html   (694 words)

  
 JVP Author Index
1998 Taxonomic revision and phylogeny of Paedotherium and Tremacyllus (Pachyrukhinae, Hegetotheriidae, Notoungulata) from the Late Miocene to the Pleistocene of Argentina
1997 A late Eocene eomyid rodent from the Zaysan basin of Kazakhstan
1998 Triconodont mammals from the medial Cretaceous of Utah
www.vertpaleo.org /jvp/author_index.html   (7722 words)

  
 Geologic Time: The Pleistocene
Environmental fluctuation during the Pleistocene was apparently conducive to human evolution, which is characterized by an increase in the adaptability of the human lineage.
During this epoch the polar ice sheets expanded and contracted -- the reason why the Pleistocene is commonly known as the Ice Age.
The Pleistocene is the fifth epoch of the Cenozoic; it started approximately 1.8 million years ago and ended 11,000 years ago.
www.mnh.si.edu /anthro/humanorigins/faq/gt/cenozoic/pleistocene.htm   (7722 words)

  
 Pleistocene Megafauna Extinctions on the Colorado Plateau
Pleistocene Vertebrates of Arizona and the Colorado Plateau.
Edwards, W. The late Pleistocene extinction and diminution in size of many mammalian species.
One camp in the debate contends that a rapidly changing climate at the end of the last ice age did in the Pleistocene megafauna, as they are called, by transforming their habitat.
www.cpluhna.nau.edu /Biota/megafauna_extinctions.htm   (2152 words)

  
 Pleistocene Megafauna - Bagheera
Because the late Pleistocene extinctions occurred so long ago and involved so many species, it is difficult to be accurate about exactly when they occurred, but they seem to have occurred when the glaciers were retreating.
The explanation given in the Pleistocene overkill hypothesis is similar to that of certain bird extinctions on islands, such as the dodo and the moa, which came about as a consequence of colonization by humans.
Climate change is an alternative explanation of Pleistocene megafauna extinctions that is consistent with this latter evidence.
www.bagheera.com /inthewild/ext_woollym.htm   (780 words)

  
 megafauna.doc
This keystone herbivore hypothesis may be the missing link, that is used in conjunction with other extinction theories, including the changing climate and human invasion, could explain the disappearance of over 15 genera of megafauna in Europe and the Americas during the late Pleistocene period.
Mathematical models that incorporate the size and number of megafauna genera prior to extinction, the reproduction rate of large animals under the threat of extinction, and the population growth, and expansion rate of human predators, shows that the overkill hypothesis is feasible.
This paper is a bit antiquated at this point, and is based on the idea that “The only unique event during this period was the arrival of big game hunters.” Obviously this is a false premise given the mounting evidence of climate change and ecosystem alteration during this period.
www.uvm.edu /~pbierman/classes/gradsem/2001/megafauna.doc   (1798 words)

  
 Pleistocene Epoch --  Encyclopædia Britannica
Information about the institute's activities to support research and education on human evolution and prehistory during the Late Pleistocene Epoch.
It is a subdivision of a geological period and the word is capitalized when employed in a formal sense (e.g., Pleistocene Epoch).
The Pleistocene began about 1,600,000 years ago and ended roughly 10,000 years ago.
www.britannica.com /eb/article?tocId=9117455   (1798 words)

  
 Australian megafauna - Wikipedia, the free encyclopedia
Late Pleistocene megafauna and archaeology from Cuddie Springs, south-eastern Australia.
Most of these species became extinct during the Pleistocene (20,000-50,000 years before present).
It is hypothesized that the arrival of Aborigines (around 48-60 thousand years ago) and their hunting and landscape-changing use of fire may have contributed to the disappearance of the megafauna.
en.wikipedia.org /wiki/Australian_megafauna   (1036 words)

  
 Prehistoric Life - Ice Age Animals in Australia.
Most of the megafauna species mentioned above became extinct late in the Pleistocene Epoch, perhaps 20,000 years ago.
Much more research is needed to get a clear picture of the diversity of megafauna species which lived in Australia during the Pleistocene Epoch.
Evidence of the former existence of the Australian megafauna was known by the Aborigines, and was soon discovered by the earliest European settlers.
www.museum.vic.gov.au /prehistoric/mammals/australia.html   (419 words)

  
 Geologic Time: The Pleistocene
Environmental fluctuation during the Pleistocene was apparently conducive to human evolution, which is characterized by an increase in the adaptability of the human lineage.
The Pleistocene is the fifth epoch of the Cenozoic; it started approximately 1.8 million years ago and ended 11,000 years ago.
The so-called Pleistocene "megafauna", such as the woolly mammoth and saber-toothed cats, evolved during these climatic fluctuations.
www.mnh.si.edu /anthro/humanorigins/faq/gt/cenozoic/pleistocene.htm   (352 words)

  
 First Peoples and the Peopling of the Americas
The Pleistocene Overkill hypothesis appeared to be moribund as of the late 1990s, until a computer simulation written by a UCSB evolutionary biologist (John Alroy) was published in the Journal Science.
Alroy’s simulation demonstrated that it actually was possible for a low population of relatively unsuccessful hunters to hunt Pleistocene megafauna to extinction.
This coincidence led to the “Pleistocene Overkill hypothesis” proposed by Paul Martin in 1967, which said that humans had basically ate their way from North America to South America in about 1000 years.
www.uweb.ucsb.edu /~herhahn/peopling.html   (847 words)

  
 POSSIBLE CORING TARGETS
Much of the Late Triassic section is cyclical and lacustrine, although the periodicity of that cyclicity is unknown.
Swedish Triassic-Jurassic Late Triassic-Early Jurassic strata are present in southern Sweden (Scania), in the north-eastern part of the Danish-Polish basin.
Finally, although not strictly part of the Triassic-Jurassic theme of this project, most of the Jurassic section is covered by Pleistocene tills and varved clays of "Lake Hitchcock" - the basis of Antevs' classic varve chronology (Antevs, 1922; Ridge and Larsen, 1990; Verosub and Shumway, 1995).
www.ldeo.columbia.edu /users/polsen/nbcp/targets.html   (1729 words)

  
 LATE CRETACEOUS TO LATE PLEISTOCENE DRAINAGE EVOLUTION OF COBAR UPLAND, N.S.W., AUSTRALIA
Late Cretaceous to late Pleistocene drainage evolution of Cobar upland, N.S.W., Australia.
The Cobar drainage evolved from south-north in Late Cretaceous to progressively east-west trend in late Tertiary.
Volcanic plugs were also formed along the same structures developed from mid to late Tertiary.
gsa.confex.com /gsa/inqu/finalprogram/abstract_54696.htm   (512 words)

  
 Ice Age Mammals Woolly Mammoth wooly rhinoceros
Megaceros dates from the late Pleistocene (from 1.5 million to 2,500 years ago).
It disappeared at the end of the Pleistocene when the climate warmed up and the grasslands declined.
It was the biggest deer that ever lived; it was over 10 feet (3 m) tall and had enormous antlers 11 feet (3.3 m) across (the largest of any deer).
www.dinosaurcollector.150m.com /ice_age.html   (661 words)

  
 EXTINCTION AND DEPLETION FROM OVER-EXPLOITATION
In late Pleistocene, during the last 50,000 years, there were mass extinction events in many different parts of the world, involving at least 200 genera (plural of genus = a group of related species).
Paul Martin responds that the Pleistocene megafauna had survived several climatic changes during the previous million years, some more severe than the one that occurred at the end of the Pleistocene.
Some survivors from the Pleistocene have been driven to extinction during historical times by over-exploitation:
darwin.bio.uci.edu /~sustain/bio65/lec03/b65lec03.htm   (4352 words)

  
 plextinc.dis
Several other papers also provide helpful perspectives.) Continuing more recently see D.K. Grayson, 1991, Late Pleistocene mammalian extinctions in the in North America: taxonomy, chronology, and explanations, _Journal of World Prehistory, 5: 193-231.
CC: Subj: Re: pleistocene extinctions; buffalo I agree that the extinctions are due to a combination of causes.
CC: Subj: Re: PLEISTOCENE EXTINCTIONS Chris Pielou brought up the issue of epidemic disease as a cause of the terminal Pleistocene megafaunal extinction; Ross MacPhee of the American Museum of Natural History published a lengthy exposition of such a hypothesis (under the moniker 'Hyperdisease') last year.
www.indiana.edu /~diatom/plextinc.dis   (6035 words)

  
 PALEONTOLOGY: ON LATE PLEISTOCENE EXTINCTIONS
The Pleistocene epoch is the time-frame 1.64 million years ago to 10,000 years ago (the beginning of the present Holocene).
North America lost 68 percent of its generic richness of Pleistocene megafauna (32 of 47 genera), and South America lost 80 percent (47 of 59 genera).
The plants not only remember the great mammals of the Pleistocene and before, they expect gomphotheres, ground sloths, toxodons, and their ilk to show up any day now.
scienceweek.com /2005/sb050121-3.htm   (1465 words)

  
 Paleoindians and the Great Pleistocene Die-Off, Native Americans and the Land, Nature Transformed, TeacherServe, National Humanities Center
Beringia (light brown—area above sea level during the late Pleistocene; dark brown—area above sea level today)
And in recent decades they have been in general agreement that these ancient Indians, or Paleoindians (which means "old" Indians), as they are known, arrived some 13,000-14,000 years ago at the end of the period known as the Pleistocene.
Paleoindians and the Great Pleistocene Die-Off, Native Americans and the Land, Nature Transformed, TeacherServe, National Humanities Center
www.nhc.rtp.nc.us /tserve/nattrans/ntecoindian/essays/pleistocene.htm   (628 words)

  
 Radiocarbon chronology of ancient cultures of Siberia and Far East of Russia
PROJECT PURPOSE: The establishment of interrelation of the Paleolithic man with representatives of dyed Pleistocene megafaunae of Siberia and the Far East (the mammoth, the woolly rhinoceros, a bison, a cave bear, the musk ox, a horse, a cave hyena) at the end of late Pleistocene and in early Holocene, about 40000-9000 years ago.
Finding-out of the basic features of interaction of megafauna and the man in a paleolith of Siberia, and role of paleolithic hunters in its extinction in Northern Asia in the end Pleistocene.
Pleistocene megafauna and the person in a paleolith of Siberia:
www.uiggm.nsc.ru /uiggm/geology/evol/lab924/orlova/carbone.htm   (311 words)

  
 The Pleistocene Redemption by Dan Gallagher
A paleontologist and explorer, Lloyd specialized in the fauna of the late Cenozoic era, especially the Pleistocene epoch which extended from nearly two million years ago to about ten thousand years ago.
The Yetis at Pleistocene Park are eventually all killed (off stage) by the Cro-Magnons, for reasons that elude me. Well, actually, I suppose it's to show that Cro-Magnons are Really Tough Dudes, but actually, you could have subtracted the Yetis entirely from the book without making a single substantive change to the story.
We've recreated pleistocene megafauna from preserved genetic material found in cave, sinkholes, frozen in ice, and so on, all over the world.
www.sff.net /people/doylemacdonald/r_tpr.htm   (5045 words)

  
 Ice Age Hunters, Science -- Dayton 292 (5523): 1819
Until the late Pleistocene era, 11,000 to 50,000 years ago, big, exotic mammals and flightless birds roamed the planet.
Hardest hit were large animals, whose slow growth rates and long gestation periods made it difficult for them to bounce back once their populations slumped.
If hunters were wiping out species tens of thousands of years ago, MacPhee says, "they should be just as bad through the Holocene." Instead, he and Greenwood suspect that the huge animals succumbed to a "hyperdisease"--a highly contagious, lethal virus introduced by human newcomers.
people.bu.edu /sobieraj/ed/IceAgeHunters.html   (962 words)

  
 Taima Taima
It was the excavation conducted in 1976 that produced substantial evidence of an early hunt and butchering of extinct Late Pleistocene megafauna supported by a set of radiocarbon dates consistent with their stratigraphic depth and distribution, as well as archaeological context.
It is presumed that during past Pleistocene interglacial periods (inter-stadia), the isthmus submerged at high sea-level stands, and Paraguaná became an island.
Another locality, Cucuruchú, while yielding man-made lithic artefacts and megafauna bone remains, their association was clearly the result of re-deposition of sediments (colluvium) transported by the Cucuruchú Creek.
www.bradshawfoundation.com /journey/taima-taima-text.html   (1450 words)

  
 Quaternary Paleobiology Update
As in North America, nearly all of the Australian megafauna (terrestrial animals with body mass greater than 44 kg) became extinct in the Late Pleistocene.
One of the topics in Quaternary paleobiology that has been back in the news lately is the question of the megafaunal mammal extinction event at the end of the last glaciation.
It now appears that the major megafaunal exinction event took place at 11,400 14C yr B.P. This event included the extinction of camels, horses, giant sloths, Pleistocene bison, and all other genera of megafaunal mammals that did not survive beyond 11,400 14C yr B.P., with the exception of the proboscideans.
www4.nau.edu /amqua/v29n1/quaternary_paleobiology_update.htm   (669 words)

  
 Other topics
Recent evidence suggests that domestic livestock could have an impact similar to the extinct herbivore megafauna, acting as seed dispersers for species left as "orphans" after the late Pleistocene extinction and, by trampling plants, maintaining open areas important for the recruitment of heliophilous species (Janzen and Martin 1982, Jansen 1986, Skape 1991).
During the Pleistocene the mammalian fauna of North and South America was much more diverse, with over 45 genera of mammals over 10 kg (Martin 1984).
Although extinct, the Pleistocene megafauna left a legacy.
www.bluemacaws.org /other1.htm   (2452 words)

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