MASSIVE AMPHIBIAN DIE-OFFS: IMPENDING CATASTROPHE?

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MASSIVE AMPHIBIAN DIE-OFFS: IMPENDING CATASTROPHE?


[+] serious ballot by Cathexis
created Fri Oct 15, 04

Are we on the cusp of a major environmental catastrophe?

Over the past three years (2002 - 2004), scientists analyzed the distribution and conservation status of all 5,743 known amphibian species. Of these, 1,856 (32%) are now considered threatened with extinction. Many others are now considered extinct -- an event that usually takes centuries, realized in a few years.

Amphibians are widely regarded as *canaries in the coal mine,* since their highly permeable skin is more immediately sensitive to changes in the environment, including changes to freshwater and air quality.

With the precipitous spike in amphibian extinctions and threatened extinctions, is this an environmental wake-up call to the world?

Yes
No
ribbit


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COMMENTS:
* At least nine species have gone extinct since 1980, when the most dramatic declines began.

* Another 113 species have not been reported from the wild in recent years and are considered to be possibly extinct.

* 43 percent of all species are in population decline; fewer than one percent are increasing. Twenty seven percent are stable, and the rest are unknown.

* 427 species are considered Critically Endangered (CR), 761 are Endangered (EN), and 668 are Vulnerable (VU).
by Cathexis on Fri Oct 15, 04 11:00am [+]

Yeah, I've heard this in the news recently and it's disconcerting. It seems amphibians are also very sensitive to changes in solar radiation levels, which in turn are affected by the ozone layer.

Another thing that scares the shit out of me is that what we're seeing is only the result of chemicals and pollutants that we used 50 years ago. In other words, there's a 50 year lag time for us to see the results of our ignorance. Nice, huh?
by um__yeah on Fri Oct 15, 04 11:05am [+]

But the air is cleaner than ever since Dubya took office! (his words)
by mojo on Fri Oct 15, 04 11:14am [+]

Scarry, how many wakeup calls do we need
by ABC on Fri Oct 15, 04 11:18am [+]

About 99% of the species that ever lived on this planet have gone extinct. We shouldn't be too surprised if we become one of them.
by Neal_Anderthal on Fri Oct 15, 04 1:21pm [+]

Neal: That is over the lifetime of the planet. This has all happened within the span of a human generation! Centuries of extinctions ... all within our lifetimes.

No, my friend, this is not natural and to be expected.
by Cathexis on Fri Oct 15, 04 1:43pm [+]

Oops ... just read your last line.

Sad, but true.
by Cathexis on Fri Oct 15, 04 2:26pm [+]

We're already being affected very adversely. Look at rates of infertility.
by Daughter_of_Khitai on Wed Sep 14, 05 5:04pm [+]






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