The 'Sixth Mass Extinction' is already underway, experts warn

Scientists stress we are in the midst of a sixth global mass extinction event, dubbed the Holocene or Anthropocene extinction.

@AdamHuntTT
Published Sat, Jan 15 2022 12:00 AM CST

The new study discussing the threat was published in the journal Biological Reviews.

The 'Sixth Mass Extinction' is already underway, experts warn 01 | TweakTown.com

Five major extinction events have been identified in the history of life on Earth. The five events are the Ordovician-Silurian, Late Devonian, Permian-Triassic, Triassic-Jurassic, and the Cretaceous-Paleogene extinction events. Scientists suggest a sixth, Holocene extinction or Anthropocene extinction, is now underway, threatening global biodiversity.

Biologists from the University of Hawai'i at Mānoa and the Museum National d'Histoire Naturelle in Paris, France, extrapolated land snail and slug estimates to determine that between 7.5% and 13% of the two million identified species on Earth could already be extinct. The extinction rates are not equal across all ecosystems, with marine species somewhat less affected despite their own significant threats.

"Drastically increased rates of species extinctions and declining abundances of many animal and plant populations are well documented, yet some deny that these phenomena amount to mass extinction," said Robert Cowie, lead author of the study and research professor at the UH Mānoa Pacific Biosciences Research Center in the School of Ocean and Earth Science and Technology (SOEST).

"This denial is based on a biased view of the crisis which focuses on mammals and birds and ignores invertebrates, which of course constitute the great majority of biodiversity. Including invertebrates was key to confirming that we are indeed witnessing the onset of the Sixth Mass Extinction in Earth's history," continued Cowie.

You can read more from the study here.

NEWS SOURCES:phys.org, doi.org

Adam grew up watching his dad play Turok 2 and Age of Empires on a PC in his computer room, and learned a love for video games through him. Adam was always working with computers, which helped build his natural affinity for working with them, leading to him building his own at 14, after taking apart and tinkering with other old computers and tech lying around. Adam has always been very interested in STEM subjects, and is always trying to learn more about the world and the way it works.

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