Sentences with phrase «first global extinction»

Not exact matches

«It's the first time we can say this is a true global extinction,» says David Bond, a paleontologist at the University of Hull in the United Kingdom.

In their study, the researchers produced the first global analysis and relatively fine - grained mapping of all the large mammals (with a body weight of at least 10 kg) that existed during the period 132,000 - 1,000 years ago — the period during which the extinction in question took place.

Researchers at Aarhus University have carried out the first global analysis of the extinction of the large animals, and the conclusion is clear — humans are to blame.

The untimely extinction of the golden toad in a Costa Rican rainforest in the late 1980s just may have been the first in a long list of species driven to extinction by global warming.

In the first global analysis of extinctions during the Pleistocene geological epoch, Sandom et al. found that the expansion of humans out of Africa most likely caused the extinctions over the past 100,000 years.

«We analyzed, for the first time at such a large scale, global patterns of island vertebrate extinctions in relation to different types of invasive mammals and physical island conditions,» McCreless said.

That's the stark message from the first global survey of amphibians, which has found they are under far greater threat of extinction than birds or mammals.

Thirty - one percent of cactus species are threatened with extinction, according to the first comprehensive, global assessment of the species group by IUCN and partners, published in the journal Nature Plants.

The golden toad was last seen in 1989 in the Costa Rican cloud forest of Monteverde — and 5 years later, its disappearance was the first extinction to be blamed on humanmade global warming.

In episode 113, the first season finale, Penn & Teller explore the truth behind fears about global warming, air quality, water quality, acid rain, species extinction, and take a close look at Greenpeace's activities.

For the first time in history the warring factions of The Global Defense Initiative and The Brotherhood of Nod must put aside their differences and unite in saving mankind from extinction.

Polar bears were actually the first vertebrate species to be listed under the U.S. Endangered Species Act as threatened with extinction primarily due to global warming.

Climate Depot was first to report in January 2010 on the UN slowly moving away from man - made global warming promotion and switching gears to cover biodiversity and species extinction.

If the bears are given federal protection, they would be the first U.S. mammals officially deemed to be in danger of extinction because of global warming, the conservation groups said.

These threats have only been increasing since the first global assessment of bird species at risk of extinction was carried out in 1988.

In its press release, Professor Stephen Hopper, director of The Royal Botanic Gardens, Kew sums up the importance of the work: «For the first time we have a clear global picture of extinction risk to the world's known plants.