Sentences with phrase «golden toad»

Anchukaitis, K. J. and Evans, M., (2010) Tropical cloud forest climate variability and the demise of the Monteverde golden toad.
Two years later, she returned to the same site in the Monteverde Cloud Forest Preserve of Costa Rica and found just a single golden toad — the last one that she or anyone else ever saw.
In 1987, herpetologist Martha Crump witnessed more than 100 golden toads mating inside a puddle of water no larger than a kitchen sink.
Scientists broadly agree that global warming may threaten the survival of many plant and animal species; but global warming did not kill the Monteverde golden toad, an often cited example of climate - triggered extinction, says a new study.
Two years later, she returned to the same site in the Monteverde Cloud Forest Preserve of Costa Rica and found just a single golden toad — the last one that she or anyone else ever saw.
In 1987, herpetologist Martha Crump witnessed more than 100 golden toads mating inside a puddle of water no larger than a kitchen sink.
The sounds of the Chinese river dolphin, the dusty seaside sparrow, the golden toad, and untold numbers of other animals have left the planet.
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.
When the golden toad was discovered in a Costa Rican cloud forest in the late 1960s, researchers observed hundreds of toads breeding in temporary pools at the start of the rainy season.
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 Monteverde, El Niño caused an unusually severe dry season at about the time the golden toad was wiped out.
Here's the current line on what drove the golden toad extinct.
J. Alan Pounds, a biologist at the Monteverde Cloud Forest Preserve and one of the researchers who originally put forward the argument that global warming played a role in the extinction of the golden toad, disagrees with the paper's conclusions.
Although amphibian populations all over the region declined, the golden toad's limited habitat and small population made it especially vulnerable.
Among the first and most striking victims were the golden toad of Monteverde, Costa Rica, and the Australian gastric - breeding frogs Rheobatrachus silus and R. vitellinus — living in protected areas far away from pollution and other environmental influences caused by humans.
For example, the harlequin frog, golden toad, and an estimated two - thirds of the 110 or so other brightly - colored toad species once plentiful in the mountains of Costa Rica have vanished, with a pathogen outbreak tied to global warming believed to be a key factor in their extinction.
As for Crump's golden toads, biologists aren't even certain it was climate that did them in.
The golden toad, they argued, was Costa Rica's first documented casualty of climate change.
Jaguars, tapirs, sloths, golden toads, quetzals, porcupines, deer and over thirty species of humming birds can be found in this dense and magnificent cloud forest.
The golden toad?
The Golden Toads only emerged from their burrows in late March and April, to mate during the first few weeks of the rainy season laying their eggs in any temporary pools.
Species» extinctions have already been linked to recent climate change; the golden toad is iconic
He argued that sunlit mats of mosses can sometimes reach the 86 °F (30 °C) that was known to be lethal to Bd, and those sunlit mats would have served as healing zones to naturally kill the fungus if not for CO2.17 However Pounds knew that the Golden Toads retreated to their dark burrows immediately after breeding and would never have visited those hypothetical «healing patches.»
Golden Toads were the biggest mystery.
Then, as if science had ever proven that CO2 had killed the Golden Toad she wrote, «Species» extinctions have already been linked to recent climate change; the golden toad is iconic.»
That year an El Niño had forced extremely dry conditions, and researchers were not sure if the Golden Toads had died or if they were simply waiting for wetter breeding conditions.4 However after years of total absence, it became apparent that just 25 years after their discovery, the Golden Toad had become extinct.5, 6
He also ignored earlier research documenting that the Golden Toads had always emerged from their burrows when their breeding pool temperatures were in Bd's optimal range.15 If an optimal temperature was required to trigger the deadly disease, the frogs should have died decades earlier.
Golden Toads (Bufo periglenes) had adapted to Costa Rica's dry season by spending their entire lives sequestered in moist underground burrows.
Species lost include the golden toad.
One, this golden toad of Costa Rica and other Central American countries, has already gone extinct.
For example, the harlequin frog, golden toad, and an estimated two - thirds of the 110 or so other brightly - colored toad species once plentiful in the mountains of Costa Rica have vanished, with a pathogen outbreak tied to global warming believed to be a key factor in their extinction.
And both the «Global Imprint» lead author and Parmesan co-authored a paper contradicting scientific consensus, arguing «Species» extinctions have already been linked to recent climate change; the golden toad is iconic.»
The golden toad is one of two species that is already considered extinct due to climate change.
Regional weather changes brought about by El Niño conditions are also suspected to have played a role in killing off the last of the Golden Toads.
This probably won't be the last word on the demise of the Monteverde golden toad, but a new paper in Proceedings of the National Academy of Sciences says that normal El Niño conditions,
The golden toad, they argued, was Costa Rica's first documented casualty of climate change.
As for Crump's golden toads, biologists aren't even certain it was climate that did them in.
a b c d e f g h i j k l m n o p q r s t u v w x y z