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Quaternary extinction event

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Quaternary extinction. The Quaternary period (from 2.588 ± 0.005 million years ago to the present) has seen the extinctions of numerous predominantly megafaunal species, which have resulted in a collapse in faunal density and diversity and the extinction of key ecological strata across the globe Quaternary extinction event. The Quaternary period saw the extinctions of numerous predominantly larger, especially megafaunal, species, many of which occurred during the transition from the Pleistocene to the Holocene epoch. However, this extinction wave did not stop at the end of the Pleistocene, but continued, especially on isolated islands, in. We are researching the cause of megafaunal extinction in the last major extinction event. Hundreds of large mammal species disappeared during the transition from the last glaciation to the present interglacial period, from around 50,000 to 5,000 years ago. We are looking at the effects of climate change, changing vegetation and human hunting on this mass extinction Quaternary extinction event Late Pleistocene landscape of northern Spain ( Eurasia ) The Quaternary period saw the extinctions of numerous predominantly larger, especially megafaunal , species, many of which occurred during the transition from the Pleistocene to the Holocene epoch Articles on Quaternary extinction event. Displaying all articles. Unlike mammoths, bison survived in Alaska at the end of the last ice age. Hans Veth/Unsplash April 29, 2020 How bison, moose and.

The Quaternary Extinction Event (50,000-10,000 Years Ago) Mauricio Anton / Wikimedia Commons / CC BY 2.5 The only mass extinction to have been caused (at least partially) by humans, the Quaternary Extinction Event wiped out most of the world's plus-sized mammals, including the woolly mammoth , the saber-toothed tiger , and more comical genera like the Giant Wombat and the Giant Beaver Quaternary extinction event is part of WikiProject Geology, an attempt at creating a standardized, informative, comprehensive and easy-to-use geology resource. If you would like to participate, you can choose to edit this article, or visit the project page for more information The late Quaternary megafauna extinction was a severe global-scale event. Two factors, climate change and modern humans, have received broad support as the primary drivers, but their absolute and relative importance remains controversial. To date, focus has been on the extinction chronology of individual or small groups of species, specific geographical regions or macroscale studies at very coarse geographical and taxonomic resolution, limiting the possibility of adequately testing the.

Scientists believe two major events resulted in this extinction: glaciation and falling sea levels. Some theories suggest that the Earth was covered in such a vast quantity of plants that they removed too much carbon dioxide from the air which drastically reduced the temperature. Falling sea levels were possibly a result of the Appalachian mountain range forming. The majority of the animal life lived in the ocean. Trilobites, brachiopods, and graptolites died off in large numbers but. dict.cc | Übersetzungen für 'quaternary extinction event' im Englisch-Deutsch-Wörterbuch, mit echten Sprachaufnahmen, Illustrationen, Beugungsformen,. 836 relations: Aardvark, Accipiter, Acratocnus, Africa, African elephant, Afro-Eurasia, Agalmaceros, Agriotherium, Ahytherium, Ailuropoda baconi, Ailuropoda microta.

Quaternary extinction event - YouTube. Quaternary extinction event. Watch later. Share. Copy link. Info. Shopping. Tap to unmute. If playback doesn't begin shortly, try restarting your device Quaternary Period. The quaternary period began 2.6 million years ago and extends into the present. Climate change and the developments it spurs carry the narrative of the Quaternary, the most. The Holocene extinction (see also Quaternary extinction event), occurred at the end of the last ice age glacial period (a.k.a. the Würm glaciation) when many giant ice age mammals, such as woolly mammoths, went extinct in the Americas and northern Eurasia. Megafauna-Wikipedi Diprotodonbecame extinct around 50,000 years ago. The sudden spate of extinctions occurred earlier than in the Americas. Most evidence points to the period immediately after the first arrival of humans—thought to be a little under 50,000 years ago—but scientific argument continues as to the exact date range

Toggle navigation. Faceted Browser ; Sparql Endpoint ; Browse using . OpenLink Faceted Browser; OpenLink Structured Data Edito The Quaternary Period has involved dramatic climate changes, which affected food resources and brought about the extinction of many species. The period also saw the rise of a new predator: man. Quaternary Extinction Event PNG Images 7 results. Event Logo Transformers Age Of Extinction Sport Event Event Marketing Event Quaternary Numeral System Extinction. 28 236 2 65 753 2 8 245 1 30 884 5 42 369 0 35 838 6 49 277 8 Currently Trending. Spotlight Fire Effect Flower Frame Chalkboard Fire Sloth Camera Dentist Ring Model Magnifying Glass Whale Dollar Puzzle Black Cat Rainbow Sticker.

The late Quaternary extinction event (LQEE) is best known by the loss of large mammals (megafauna) from certain continents. Familiar faunal examples of the LQEE include woolly mammoths of the Northern Hemisphere, woolly rhinos in northern Eurasia, ground sloths and glyptodonts in the Americas, and diprotodonts and giant kangaroos in Australia. Comparisons between land masses are revealing. The continents differ significantly in both the magnitude and in the timing of their extinctions. First. Englisch-Deutsch-Übersetzungen für quaternary extinction event im Online-Wörterbuch dict.cc (Deutschwörterbuch) The entire wiki with photo and video galleries for each articl Apr 29, 2015 - Quaternary extinction event - Wikipedia, the free encyclopedi These extinctions, occurring near the Pleistocene-Holocene boundary, are sometimes referred to as the Quaternary extinction event. Many megafauna became extinct during this age, a trend that continued into the Holocene. Most major groups of xenarthrans were present in North America up until the end-Pleistocene Quaternary extinction event (as a result of at least eight successful invasions of.

The quaternary extinction event was when many of the large animals or megafauna became extinct, these extinctions appear to be closely related to the arrival.. We find that geomagnetic field minima ~42 ka, in combination with Grand Solar Minima, caused substantial changes in atmospheric ozone concentration and circulation, driving synchronous global climate shifts that caused major environmental changes, extinction events, and transformations in the archaeological record. [1]: /lookup/doi/10.1126. Visit—Quaternary Parks. Every park contains some slice of geologic time. Here we highlight a few parks associated with Quaternary Period. This is not to say that a particular park has only rocks from the specified period. Rather, rocks in selected parks exemplify a certain event or preserve fossils or rocks from a certain geologic age On land, the chilliest stretches of the Quaternary saw mammals like mammoths, rhinos, bison, and oxen grow massive and don shaggy coats of hair. They fed on small shrubs and grasses that grew at..

Browse Quaternary extinction event news, research and analysis from The Conversatio The Quaternary period (from 2.588 ± 0.005 million years ago to the present) saw the extinctions of numerous predominantly megafaunal species, which resulted in a collapse in faunal density and diversity and the extinction of key ecological strata across the globe. wikipedia The last great extinction that has happened throughout the Earth's life history (the Quaternary Megafaunal Extinction) exterminated more than 178 species of the world's largest mammals. Different hypotheses to explain this extinction have been proposed, from environmental catastrophes to predator avoidance, or even volcanic activity and meteorite impact. Currently, many researchers see the Sixth Extinction as a total or partial result of past climatic changes. The mechanism of. Before this we had the three Quaternary Mass Extinction Events, 640,000, 74,000, and 13,000 years ago, which may indeed also be one of the possible times from which the Myth of the Deluge originated. be it the Vedic Manu Myth or the Frostgiant Vidgelmir, or the Egyptian Setmet.. the Myth reoccurs again and agai This page is based on the copyrighted Wikipedia article Quaternary_extinction_event ; it is used under the Creative Commons Attribution-ShareAlike 3.0 Unported License. You may redistribute it, verbatim or modified, providing that you comply with the terms of the CC-BY-SA. Cookie-policy; To contact us: mail to admin@qwerty.wik

Quaternary extinction event Fossil Wiki Fando

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  2. Wydarzenie czwartorzędowego wymierania - Quaternary extinction event Z Wikipedii, wolnej encyklopedii Późny plejstoceński krajobraz północnej Hiszpanii, autorstwa Mauricio Antón (od lewej: Equus ferus, Mammuthus primigenius, Rangifer tarandus, Panthera spelaea, Coelodonta antiquitatis
  3. Our Sporormiella influx data from five study sites in Britain and Ireland span the Late Quaternary megafauna extinction event. While the dung spores were useful for tracking long-term, continuous..

During the Late Quaternary Extinction event South America lost ~83% of all its late Pleistocene mega-faunal genera. As in other regions of the world, the debate about the possible drivers behind. The Smilodon went extinct around the end of the last glacial period in what was known as the Quaternary extinction event. Fifteen kinds of large mammals went extinct in North America during that 1,500-year window. To put this in perspective: only 33 total went extinct during the past 50,000 years changing climate . This marked the end of the Quaternary extinction event, which was continued into the modern era by humans Pleistocene megafauna... during the Pleistocene epoch and became extinct in a Quaternary extinction event. These species appear to have died off as humans. The causes of the Pleistocene extinctions of large numbers of megafaunal species in the Northern Hemisphere remain unclear. A range of evidence points to human hunting, climate change, or a combination of both. Using ancient DNA and detailed paleoclimate data, Cooper et al. report a close relationship between Pleistocene megafaunal extinction events and rapid warming events at the start of.

Aim A major Late Quaternary vertebrate extinction event affected mostly large‐bodied 'megafauna'. This is well documented in both mammals and birds, but evidence of a similar trend in reptiles is scant. We assess the relationship between body size and Late Quaternary extinction in reptiles at the global level The global Quaternary Megafauna Extinction (QME) event eliminated two-thirds of all mammal genera and half (c. 178) of all species of body mass >44 kg, with most well-dated extinctions occurring. The five largest mass extinction events in the past 500 million years (mya) occurred at the end of the Ordovician (443 ma), the Late Devonian (375-360 mya), the end of the Permian (252 mya), the end of the Triassic (201 mya) and the end of the Cretaceous (66 mya)

Extinction of large mammals in the Late Quaternary Ice Age

Quaternary extinction event Project Gutenberg Self

The Quaternary extinction was a mass die-off of large animals that occurred during the transition from the Pleistocene to the Holocene epoch (13,000 BCE to 8,000 BCE). The extinction is believed to have been caused by two factors These extinctions, occurring near the Pleistocene - Holocene Boundary, are sometimes referred to as the Quaternary Extinction Event. The Holocene Extinction continues into the 21st century. There is no general agreement on whether to consider this as part of the Quaternary Extinction Event, or as a distinct event resulting from Human-caused.

Quaternary extinction event - Wikipedia, the free encyclopedia

Quaternary extinction event - News, Research and Analysis

The Earth's 10 Biggest Mass Extinctions - ThoughtC

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  1. The late Quaternary megafauna extinction was a severe global-scale event. Two factors, climate change and modern humans, have received broad sup-port as the primary drivers, but their absolute and relative importance remains controversial. To date, focus has been on the extinction chronology of individual or small groups of species, specific geographical regions or macroscale studies at very.
  2. The apparent spacing of mass extinction events at long (~26 Ma) repeat times (e.g., Raup & Sepkoski, 1986), and the supposed role of geomagnetic polarity reversal in extinction (e.g., Raup, 1985), has received intermittent attention over the last 50 years, since early studies of Quaternary radiolarian evolution an
  3. ed. Before the extinction, body size distributions were bimodal and similar in North America.
  4. Only then will we develop a comprehensive understanding of the Late Quaternary megafauna extinction event. Science Magazine; Events; Images of Science; On Location; Contact Dr. Mathew J. Stewart Max Planck Institute for Chemical Ecology, Jena +41 76 7495546 mstewart@ice.mpg.de Max Planck Research Group Extreme Events. Original publication Stewart, M., Carleton, W. C., Groucutt, H. S. Climate.

Abstract. The extinction pulse during the late Pleistocene exhibited the following special features: (1) extinction likelihood was strongly dependent on body size, (2) the severity of the extinctions varied markedly between continents, and (3) extinctions were associated in time with the appearance of humans, and also with a period of climatic and hence habitat change (Owen-Smith, 1987) Kvartérní zánik - Quaternary extinction. z Wikipedie, otevřené encyklopedie To podporuje počítačový model Pleistocene Extinction Model (PEM), který za použití stejných předpokladů a hodnot pro všechny proměnné (populace býložravců, míra náboru býložravců, potřeba potravy na člověka, míra lovu býložravců atd.) Kromě ty pro lov dravců. Porovnává hypotézu.

Global late Quaternary megafauna extinctions linked to

  1. archaeo. ecol. zool. Quaternary extinction event: quartäre Aussterbewelle {f} biol. zool. extinction-level event <ELE> Massenaussterben {n} [Ereignis] biol. zool. extinction-level event <ELE> Massenextinktion {f} [Ereignis] Teilweise Übereinstimmung: phys. extinction: Abschwächung {f} extinction: Auslöschen {n} extinction: Auslöschung {f} extinction: Ausrottung {f} extinction
  2. g that began around 14,700 years ago, and.
  3. Massenaussterben {n} [Ereignis] biol. zool. Massenextinktion {f} [Ereignis] biol. zool. Quaternary extinction event. quartäre Aussterbewelle {f} archaeo. ecol. zool
  4. Late Quaternary megafauna extinctions impoverished mammalian diversity worldwide. The causes of these extinctions in Australia are most controversial but essential to resolve, because this.

One major challenge in the study of late-Quaternary extinctions (LQEs) is providing better estimates of past megafauna abundance. To show how megaherbivore population size varied before and after the last extinctions in interior Alaska, we use both a database of radiocarbon-dated bone remains (spanning 25-0 ka) and spores of the obligate dung fungus, Sporormiella, recovered from radiocarbon. By the end of the Pleistocene, the world lost most of its large mammal species in what is known as the Late Quaternary extinction event (LQE; Martin and Klein 1984), the magnitude and timing of which differs among continents (Koch and Barnosky 2006). For more than five decades, the discussion about the possible causes of extinction has revolved around the human impacts caused by modern humans. Of the six extinct species, five became extinct in the Quaternary extinction event. Azarudeen Photo Gallery. November 19, 2018 · # Peacock, # Indian, # peafowl, # Indianpeafowl, # bluepeafowl, # Pavocristatus, # thrumylens, # AzarudeenPhotography, # Bandipur. Peacock - The Pride : The Indian peafowl or blue peafowl (Pavo cristatus), a large and brightly coloured bird, is a species of peafowl. dict.cc | Übersetzungen für 'Quaternary extinction event' im Italienisch-Deutsch-Wörterbuch, mit echten Sprachaufnahmen, Illustrationen, Beugungsformen,.

Timeline Of Mass Extinction Events On Earth - WorldAtla

Quaternary extinction event The Quaternary period saw the extinctions of numerous predominantly larger, especially megafaunal, species, many of which occurred during the transition from the Pleistocene to the Holocene epoch. However, the extinction wave did not stop at the end of the Pleistocene, but continued, especially on isolated islands. Quaternary Megafauna Extinction Event was caused by shifts in world-wide climates (Mann, 2013; Nikolskiy, 2011; Woodman, 2009). It is well established that the Pleistocene had dramatically different climates and climatic patterns than are experienced today in the Holocene The late Quaternary megafauna extinction was a severe global-scale event. Two factors, climate change and modern humans, have received broad support as the primary drivers, but their absolute and relative importance remains controversial. To date, focus has been on the extinction chronology of individual or small groups of species, specific.

The Quaternary extinction has taught us that the unfortunate intersection of human activities and climate change wiped out whole sectors of Earth's terrestrial ecosystems. Knowing that, are we willing to let overexploitation, habitat alteration, and climate change (this time anthropogenically induced) exterminate the marine megafauna and forever change those communities as well? Bibliography Grayson DK. 1984. Nineteenth-century explanations of Pleistocene extinctions: a review and analysis. Extinction Date Probable causes; Quaternary: Holocene extinction: c. 10,000 BCE - Ongoing: Humans, human induced catastrophes Quaternary extinction event: 640,000, 74,000, and 13,000 years ago: Unknown; may include climate changes, massive volcanic eruptions and Humans (largely by human overhunting) Neogene: Pliocene-Pleistocene boundary extinction

quaternary extinction event Übersetzung Englisch-Deutsc

The late Quaternary megafauna extinction was a severe global-scale event. Two factors, climate change and modern humans, have received broad sup-port as the primary drivers, but their absolute and relative importance remains controversial. To date, focus has been on the extinction chronolog Quaternary Extinction Event | Hacker News Search An extinction event (also known as a mass extinction or biotic crisis) is a widespread and rapid decrease in the biodiversity on Earth. Such an event is identified by a sharp change in the diversity and abundance of multicellular organisms. It occurs when the rate of extinction increases with respect to the rate of speciation. The number of major mass extinctions in the last 540 million years are estimated from as few as five to more than twenty. These differences stem from confusion as to.

Cretaceous-Paleogene extinction event (End Cretaceous, K-Pg extinction, or formerly K-T extinction): 66 Ma at the Cretaceous (Maastrichtian) - Paleogene transition interval. The event formerly called the Cretaceous-Tertiary or K-T extinction or K-T boundary is now officially named the Cretaceous-Paleogene (or K-Pg) extinction event. About 17% of all families, 50% of al Quaternary extinctions; radiocarbon dates; During the late Pleistocene, North America lost 35 genera of large mammals. The majority (29 genera), including mastodons, saber-toothed cats, and giant ground sloths, became globally extinct at that time, whereas a handful (6 genera) vanished from North America while continuing to persist elsewhere . For decades archaeologists and paleontologists.

Quaternary extinction event - en

Part 15: Quaternary Earth - The Age of Man. Throughout its unimaginably long history, our world has seen enormous change. From devastating mass extinctions to unprecedented radiations of countless new species, the path of evolution has proven incredibly dynamic over the billions of years life has existed. Evolution has also proven to be a. There is one near-extinction event that is fairly well-known, although it remains controversial. Roughly 70,000 years ago, give or take a few thousand years, an enormous eruption occurred in what. Supercomputer scours fossil record for Earth's hidden extinctions The Role of Geomagnetic Field Intensity in Late Quaternary Evolution of Humans and Large Mammals. In the audio below, Douglas and Tyla Gabriel discuss the findings and explain how these cosmic events can be opportunities for human evolution The beginning of the Quaternary extinction events first began in Northern Eurasia about 80,000 years ago. These extinction events occurred most gradually when compared to Australia, the Americas and other isolated island environments. This is likely because the modern human migration into Northern Eurasia itself was very gradual. Modern humans had adapted to life in tropical environments, and adaptation to northern climes posed very serious challenges. However, the deeper modern. he late Quaternary was a period of rapid and widespread extinction of about 65% of 'megafauna' genera (that is, large vertebrates with mature individuals 440kg)1. Although climatic shifts probably caused some of the largest mass extinctions earlier in Earth's history2, the role of climate i

How do you say Quaternary extinction event? Listen to the audio pronunciation of Quaternary extinction event on pronouncekiw he Quaternary Megafauna Extinction (QME) killed 178 species of the world's largest mammals, those weighing at least 44 kg (roughly the size of sheep to elephants). More than 101 genera perished. Beginning 50,000 years (kyr) B.P. and largely completed by 7 kyr B.P., it was Earth's latest great extinction event. The QME was the only major extinction that tookplacewhenhumanswereontheplanet,anditalsooccurre Definitions of Quaternary_extinction_event, synonyms, antonyms, derivatives of Quaternary_extinction_event, analogical dictionary of Quaternary_extinction_event (English

Only then will we develop a comprehensive understanding of the Late Quaternary megafauna extinction event. make a difference: sponsored opportunity. Story Source: Materials provided by Max Planck. The late Quaternary event provides a sobering example of what to expect as contemporary exploding human population densities collide with higher-than-normal rates of climate change under a business as usual model (Houghton et al. 2001): accelerated extinction rates and continued wholesale restructuring of Earth's ecosystems The Late Quaternary Extinctions may have had cascading effects on small mammal communities. Megafaunal‐induced changes to vegetation composition and structure may have cascaded to smaller mammals, which are more tied to high‐nutrient forage and are often less selective than megaherbivores (Crawley, 1983). Small mammals would also have been affected by changes in landscape openness, as well as the availability of herbaceous taxa and seeds for foraging. Thus far, effects of the. The other event that is blamed for the Quaternary Extinction event, for some reason, is Noah's flood. Narratively, Noah's flood is one of those things that will not leave the imagination of the western world, and the immediate response to an ancient disaster being discovered in fossil or soil records is for certain groups to immediate try to determine if it is the biblical flood. This one. But by around 10,000 years ago, most of North America's animals weighing over 44 kg, also known as megafauna, had disappeared. Researchers from the Max Planck Extreme Events Research Group in Jena, Germany, wanted to find out what led to these extinctions. The topic has been intensely debated for decades, with most researchers arguing that human overhunting, climate change, or some combination of the two was responsible. With a new statistical approach, the researchers found strong.

This late Quaternary extinction (LQE) was recognized by the nineteenth cen-tury, when explanations included climatic catastrophes, gradual climate change, and overkill by human hunters (Grayson 1984). The debate took on new life af- ter the revolution in 14C dating, as Martin and colleagues began to articulate and test more explicit overkill hypotheses (Martin 1966, 2005; Mosimann & Martin. Although not a mass extinction, one of the most heavily debated extinction events is the Late Quaternary extinction of megafauna, when some two-thirds of large terrestrial mammalian genera (444kg) worldwide went extinct (Barnosky et al. 2004). Explanations for this event include climate change, as the planet went from a glacial to interglacia Only then will we develop a comprehensive understanding of the Late Quaternary megafauna extinction event. Reference: Climate change, not human population growth, correlates with Late Quaternary megafauna declines in North America by Mathew Stewart, W. Christopher Carleton and Huw S. Groucutt, 16 February 2021, Nature Communications

People have lived on tropical Pacific islands over the past 30,000 years (Bismarcks, Solomons) or 3000 to 1000 years (the rest of Oceania). Their activities have led to the loss of many thousands of populations and as many as 2000 species of birds that probably otherwise would exist today. This extinction event is documented by avian fossils from archaeological (cultural) and paleontological. Property Value; dbo:wikiPageID 1092075 (xsd:integer); dbo:wikiPageRevisionID 674601175 (xsd:integer); rdf:type skos:Concept; rdfs:label Extinction events (en); owl. Of the six extinct species, five became extinct in the Quaternary extinction event. Bison - Portrait : Bison are large, even-toed ungulates in the genus Bison within the subfamily Bovinae. Two extant and six extinct species are recognised Holocene Epoch, younger of the two formally recognized epochs of the Quaternary Period, covering the most recent 11,700 years of Earth's history. Holocene sediments cover the largest area of any epoch in the geologic record; the epoch is also coincident with the late and post-Stone Age history of human beings

Quaternary extinction event - YouTub

Understanding extinction events requires an unbiased record of the chronology and ecology of victims and survivors. The rhinoceros Elasmotherium sibiricum, known as the 'Siberian unicorn', was believed to have gone extinct around 200,000 years ago—well before the late Quaternary megafaunal extinction event This late Quaternary extinction (LQE) was recognized by the nineteenth cen-tury , when explanations included climatic catastrophes, gradual climate change, and overkill by human hunters (Grayson 1984). The debate took on new life af- ter the revolution in 14 C dating, as Martin and colleagues began to articulate and test more explicit overkill hypotheses (Martin 1966, 2005; Mosimann & Martin. Quaternary extinction event; References Edit ^ Cite error: Invalid <ref> tag; no text was provided for refs named Raup ^ Morell, V., and Lanting, F., 1999. The Sixth Extintion, National Geographic Magazine, February. ^ Cite error: Invalid <ref> tag; no text was provided for refs named ucr ^ Sole, R. V., and Newman, M., 2002. Extinctions and Biodiversity in the Fossil Record - Volume Two.

Quaternary Period Information and Facts National Geographi

2. ) levels that cause ocean acidification, global warming, and rising sea levels. Pollutants alter the chemistry of the atmosphere, soil, and water; algal blooms deplete oceans and lakes of oxygen. Habitat loss, overfishing, and introduction of invasive species disrupt ecosystems and reduce biodiversity Extinction Level Event- An extinction-level event (ELE) is an event where most species on the planet become extinct. It is an event when the magnetosphere drops below 50% to maybe 10% allowing cosmic radiation to flood the earth causing DNA and RNA damage to all biological life. It is coupled with a drop to Ice Age Temperatures and vulnerability to inbound space debris, comets, asteroids such. index fact Burton s Legal Thesaurus. William C. Burton. 200 Although our focus for this article is on the North American extinction event, the results should be applicable to late Quaternary extinctions elsewhere. We recognize that although the data presented here support the top-down hypothesis, uncertainty remains; therefore, we suggest a research agenda for the future and hope our article stimulates further investigations. The top-down hypothesis. For hundreds of millions of years, large vertebrates (megafauna) have inhabited most of the ecosystems on our planet. During the late Quaternary, notably during the Late Pleistocene and the early Holocene, Earth experienced a rapid extinction of large, terrestrial vertebrates. While much attention has been paid to understanding the causes of this massive megafauna extinction, less attention.

Quaternary extinction event and similar topics

At the end of the Pleistocene, South America witnessed the loss of an 83% of all megafaunal genera that inhabited the continent at that time. Among the taxa that disappeared were all the representatives of the Equidae family, including several species of Equus and Hippidion. Previous studies have investigated the causes behind the extinction of horses in South America using radiocarbon data. And immediately the Late Quaternary megafauna extinctions came to mind. This 'event' is perhaps one of the more contentious topics in the palaeosciences. Debates over its causes have raged since the 1960's, and it has important implications for the current extinction crisis and the role of humans as drivers of major extinctions. That is to say, it's an important event to understand. Fossil occurrences and dung-fungal proxies in Australia indicate that episodes of Late Quaternary extinction of mammalian megafauna occurred close to the Laschamp and Blake magnetic excursions. Fossil and dung fungal evidence for the age of the Late Quaternary extinction in North America (and Europe) coincide with a prominent decline in geomagnetic field intensity at 13 ka. Over the last 200. Researchers from the University of Cambridge in the United Kingdom put the spotlight on extinctions that emerged during the late Quaternary period, from 700 000 years ago until today. Forscher von der Universität Cambridge im Vereinigten Königreich legten den Fokus auf das Aussterben, das im späten Quartär begann, vor 700 000 Jahren bis heute North American megafauna extinctions. The authors applied this new approach to the question of the Late Quaternary North American megafauna extinctions. In contrast to previous studies, the new.

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