Sentences with phrase «percent of species»

Conversion to oil palm will drastically reduce species richness (recent research has shown that conversion of primary rainforest to an oil palm plantation results in a loss of more than 80 percent of species).

TheUnited Nation's Intergovernmental Panel on Climate Change predicts that climate change may contribute to the extinction of 20 - 30 percent of all species by 2030.

Nearly 80 percent of the species aren't yet shifting their geographic distributions to [continue reading...]

According to the World Conservation Union, present extinction rates are 50 to 500 times the natural background rate and up to 52 percent of species are threatened with extinction (http://www.iucn.org/themes/ssc/index.htm).

Climate change threatens to wipe out 80 percent of this species» current summer range and 100 percent of current winter range by 2080, according to Audubon's climate models.

In a landmark study published in Nature, researchers found that 18 to 35 percent of species studied in a survey of 20 percent of the Earth's land area will be committed to extinction by the year 2050 if greenhouse gas emission trends continue.

A landmark study surveying 20 percent of the Earth's land area offered a stark prediction: 35 percent of species will be committed to extinction by the year 2050 if greenhouse gas emission trends continue.

Although penguins, seals, and whales are the iconic species of the Southern Ocean, more than 90 percent of the species found there are invertebrates, many of which make the ocean floor their home.

During the Permian / Triassic mass extinction, 95 percent of species on the earth perished, apparently from runaway global warming.

Consequently, anyone seriously worried about taking the precautions mandated by an application of a precautionary principle must look at preventing the colder temperatures and lower carbon dioxide levels which have always resulted in catastrophic extinctions of 40 percent, 60 percent, or even 90 percent of all species of life on the Earth.

But in the western United States something like 70 percent of the species disappeared during the PETM and then came back.

He also predicted 22 percent of all species will be extinct by 2022.

what percent of any species was suppressed, killed or had long term reduction in numbers due to the accident.

«What we can't be certain about is how bad is it going to be: Are we going to end up with 25 percent of species extinct?

Anthropogenic climate change is currently affecting 19 percent of species that are listed as threatened or near - threatened — making it the 7th extinction driver.

The 2007 IPCC report notes that a rise in temperature of 1 degree Celsius will put up to 30 percent of all species at risk of extinction.

Using the single - species, or «climate envelope,» approach, researchers have predicted that 15 percent to 37 percent of species will be faced with extinction by 2050.

(Another important paper last week, assessing evidence for «mass extinction in poorly known taxa» — a euphemism for low - profile organisms, particularly invertebrates — came up with this dark conclusion: «[We] may already have lost 7 percent of the species on Earth and... the biodiversity crisis is real.»)

I conjecture in 200 years 80 - 90 percent of species will become extinct, and humans will lose about 80 percent of the population, a conservative estimate.

There is medium confidence that approximately 20 to 30 percent of species assessed so far are likely to be at increased risk of extinction if increases in global average warming exceed 1.5 to 2.5 °C (relative to 1980 to 1999).

Two years ago, Audubon's Birds and Climate Change analysis revealed that 58 percent of the species seen during the count were showing up significantly further north than 40 years ago — right in line with charted temperature increases.

As of Muscovy Duck, my bird life list includes 1,161 species, or about eleven percent of the species in the world.

The ESA has prevented more than 99 percent of the species listed from going extinct, serving as the critical safety net for wildlife that Congress intended when it passed the law 40 years ago.

It's possible that the mix may not be 50 percent of each species, as multigeneration crosses are common.

More than 10,000 species of birds exist in the world, with about 10 percent of those species found in the U.S.. Although most birds fly when they need to travel any distance, some are flightless, and the mountain quail of California actually makes its annual migration on foot.

With global warming of 2.9 °C, an estimated 21 — 52 percent of species will be committed to extinction.

They estimate that if global warming exceeds 1.6 °C above preindustrial, 9 — 31 percent of species will be committed to extinction.

«Something suddenly killed off more than 50 percent of all species on Earth, and that led to the age of dinosaurs,» said Peter Ward, a UW Earth and space sciences professor.

Fossil evidence shows that about 70 percent of species living on Earth at the time became extinct [source: NASA].

Native only to Madagascar, more than 90 percent of the species are...

Unlike 97 percent of species, prairie voles are faithfully monogamous.

Nearly 80 percent of all species were lost.

In fewer than 10 percent of species is it common for two individuals to mate exclusively.

Forty percent of the species in the study had been observed engaging in lethal violence, but rates varied widely.

Across vertebrates, 16 to 33 percent of all species are estimated to be globally threatened or endangered.

Fossil records show that about 250 million years ago, 90 percent of the species on Earth were snuffed out in an abrupt event that spanned the globe.

Both lost 75 percent of their species between 1950 and 2000, and sites across the board showed dramatic declines.

Before the 1990s, this phenomenon led scientists to believe that more than 90 percent of all species were monogamous, but thanks to improved genetic testing, we now know most birds actually stray from their partners.

Evidence left at the crime scene is abundant and global: Fossil remains show that sometime around 252 million years ago, about 90 percent of all species on Earth were suddenly wiped out — by far the largest of this planet's five known mass extinctions.

Rising sea levels have overtaken major cities, and more than 60 percent of species are extinct.

On the deep ocean floor, for instance, more than 80 percent of the species being found are unknown.

About 65 percent of the species have never been seen in North America's Pacific waters.

Around 20 percent of all species on the planet are now threatened with extinction.

But remove all the insects, which comprise about 75 percent of species in the animal kingdom, and the world as we know it could not exist.

An estimated 90 percent of the species — now hovering at several million animals — depend on fewer than 10 caves for their hibernation.

Findings in the new report warn that more than 40 percent of the species included in the study show «high vulnerability» to climate change.

Over the 4.5 billion years of our planet's existence, 98 percent of species have become extinct.

Not exact matches

It's not at all unusual for animals to try and protect their own species, but nearly 90 percent of humpback whale rescue missions involve smaller animals like seals, sea lions and small whales.

About 10 % of the human population — and about the same percent of numerous other species, as well — are naturally attracted to those of their same gender.

only 30 percent of this planet are christians but they are the most dominant, there are millions of species living now in our planet but only 1 that is us who are dominant and significant, so its not the numbers but the influence