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Why 47 of Australasia's frogs are almost extinct

green-tree-frog.jpg According to this article in yesterday's Age we are in danger of losing some of our most helpful natural amphibians. Of the 220 species that reside in Australasia, 47 are now on the endangered list.

The corroboree frog is so scarce that scientists believe there may be no more than 50 individual frogs living in the wild. And they're the lucky ones. It is estimated that possibly 165 of the world's species may already have become extinct.

Recently, when trekking to a favourite camping spot, we noticed that the site had come under the local authority with signs informing us that area had now become a safe zone for a local frog. A little miffed, we assumed that it was just the government trying to control more land - and conspiracy theorists may still conclude that is the case. Yet, while us humans love to enjoy the outdoors it appears the outdoors no longer enjoys us.

The problem is that we're using too much of their habitat. Areas that were once popular breeding grounds for these little amphibians have been filled in and developed for human dwellings. Our desire to get closer to nature is becoming the source of nature's downfall.

But we shouldn't beat ourselves up too much. Our frogs are also facing a more sinister foe in the form of a fungal disease known as Chytrid Fungus which still has no cure. The epidemic is threatening to wipe out many species unless something is done about it.

Fortunately, our scientists are coming together on this issue and announced 17 projects to help 14 different types of frog. Their coordinated efforts to curb the decline will result in many of these endangered frogs being bred in captivity and hopefully released back into the wild once the threat of disease has passed.

Fingers-crossed we may see the return of these very important amphibians into our ecosystems. Hopefully their numbers may also increase.



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Comments

Where did the fungus come from, Stuart? Is it something that was imported with plants or other creatures, or something that's native? Here, we worry about frogs and other reptiles and amphibians being killed off by pesticide poisoning, mostly. Not on our property, which is a frog, toad and salamander haven, but you know what I mean.

Alarming yet reassuring at the same time, losing valuable species but work being done to save them. The combo of pesticides, herbicides and development for humans in the way of housing and shopping are clearing away habitat even in our rural area of TN. Designating large acreage, like the Smokey Mountains and Cherokee National Parks around us are one way to help. But even then the keepers of the parks are finding alarming dangers to creatures and plant life everday.

Frances at Faire Garden

We don't see as many frogs as we used to in my area either (Chicago, south suburbs.) I miss them and their bug-eating.

Not a lot is known about the disease, jodi. Here is a link to a PDF fact sheet for those who are interested in learning more about it.

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