Sentences with phrase «rate of extinction»

A conservative estimate of the current rate of extinction is one thousand species a year.

The current annual rate of extinction of species far exceeds any plausible rate of generation of species.

Currently we are seeing some stress on some species, and the overall background rate of extinction appears to be rising.

At the present rates of extinction, we could be seeing an end to as many as 20 percent of the world's species in the next 30 years.

The study also suggests that a lot more could be invested in protecting wildlife areas, and with our current rapid rate of extinction, that investment is more than necessary.

While extinction can be a natural process, the current rate of extinction is anything but.

Earth experienced the highest rate of extinctions in its history at the end of the Permian period.

This represents 10 % of all original mammal fauna in Australia, the highest rate of extinctions anywhere in the world over the past 200 years.

«The increased rate of extinction in all habitats we are currently observing is attributable to the direct influence of humans, such as destruction of habitat, over-fishing and pollution.

ESUs suffered a much greater rate of extinctions than species.

«We consistently find very large rates of extinction in areas where there had been no contact between wildlife and primitive human races, and which were suddenly confronted by fully developed modern humans (Homo sapiens).

So while reducing collisions between animals and cars won't stop the incredible rate of extinction of animals around the world, it will at least reduce the amount of large animals such as Deer and Elk killed on Colorado's highwaya, and will certainly make the roads safer for motorists.

Organisms throughout the world, regardless of habitat, suffered similar rates of extinction, suggesting that the cause of the event was a global, not local, occurrence, and that it was a sudden event, not a gradual change.

R Gates the Skeptical Warmist: Currently we are seeing some stress on some species, and the overall background rate of extinction appears to be rising.

The increasing rate of extinctions, the rising number of species suffering population declines in the order of 90 per cent (not just tigers, but sparrows and voles, too), the destruction of rainforests, the pollution of the oceans — the evidence is plain to see.

John Woinarksi: Australian mammals have suffered a terrible crisis over the last 200 years, probably a greater rate of extinction than any other group of animals in the world over that time period.

(Reuters)---- Climate change and high rates of extinctions of animals and plants are pushing the Earth into a danger zone for humanity, a scientific report card about mankind's impact on nature said on Thursday.

According to the United Nations, we are losing about 200 species per day — a thousand times the normal background rate of extinction.

The current rate of extinctions is, by some estimates, 10,000 times the average in the fossil record.

Biodiversity: try as we might, species keep dying 2010 was the year we were supposed to see the rate of extinctions and ecosystem loss slow down — but despite protection programmes worldwide, it's not happening

The researchers determined that only 15 of these species could still be found alive, and estimated that the rate of extinction may have been as high as 14 percent of the fauna per decade.

The current rate of extinction is up to 1,000 times faster than it would be without humans, according to the International Union for Conservation of Nature and Natural Resources (IUCN).

Emerging threats, like pollution and climate change, may accelerate the rate of extinction.

Contrary to the predictions of one prominent extinction model, known as Raup's Kill Curve, Alroy could detect no correlation between impact size and the rate of extinction.

The ecologist Stuart Pimm at Duke University in North Carolina claims that conservationists have already reduced the rate of extinction by 75per cent.

In the past few centuries, the rate of extinction for some groups of species has jumped by roughly a factor of a thousand.

It is the rate of extinction that is concerning many scientists.

This new research clarifies the rate of «background extinction» (the rate of extinction during the point before humans became a primary contributor to extinction).

The rate of extinction has skyrocketed since the industrial age, but that got nuthin'to do with us I guess.

«A good proxy for the rate of extinction is the rate of growth in energy used by the human population.

The ecologist Stuart Pimm at Duke University in North Carolina claims that conservationists have already reduced the rate of extinction by 75 per cent.

Though the scientists don't go into it, such a large, rapid change in the Earth's climate should be expected to radically reshape its flora and fauna as well, most notably through a rise in the rate of extinctions.

This rate of extinction has been unprecedented since dinosaurs ended their reign 65 million years ago.

Not since 1936, with the death of the very last Tasmanian tiger of the genus Thylacinus, has extinction loomed for a higher taxinominal ranking than species — though given the current rate of extinction, it is likely not the last time.