Koalas at risk from climate change, expert says (First the Polar Bears, now it's Koala time)

MSNBC ^ | 5/7/2008 | AP

[Mygirlsmom]

he and his researchers also found that the amount of toxicity in the leaves of eucalyptus saplings rose when the level of carbon dioxide within a greenhouse was increased.

Ok, question #1: How much of an increase in C02 were these plants subjected to?

#2 By how much did that exposure increase the "toxicity" levels?

[steelyourfaith]

 

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[Flycatcher]

You’re thinking like a scientist. Stop it.

[az_gila]

“Hume estimated that current levels of global carbon dioxide emissions would result in a noticeable reduction in Australia's koala population in 50 years due to a lack of palatable leaves.”

---

Boy... that's a long range prediction... and hedged with the “noticeable” word.

I vote he has a GIGO model...:^) Specially optimized for GW alarmists.

[USFRIENDINVICTORIA]

If it's cute and cuddly — it's threatened by climate change.

If it's ugly, vicious, slimy, disgusting, or dangerous — climate change will multiply their number.

[Mygirlsmom]

I just went outside and held my breath and hugged a tree - I'm better now!

(Not!)

[qam1]

An increase in carbon dioxide favors the trees' production of carbon-based anti-nutrients over nutrients, so leaves can become toxic to koalas, Hume said. Some eucalyptus species may have high protein content, but anti-nutrients such as tannins bind the protein so it cannot be digested by koalas

Meanwhile this study says the opposite

So when they need global warming to be bad for plants, global warming causes plants to produce more nutrients & less toxins but when they need global warming to be bad for a cute animal then all of a sudden plants produce less nutrients and more toxins.

Methinks they are getting the results they want.

[kidd]

I see.

Global warming only affects cute animals.

[xcamel]

Yupper...

[Smittie]

I adnmit it’s been a while since I last took a science course, but I seem to rememember something about trees needing carbon dioxide to live. How can more food be bad for tress? It’s not like they’re going to gain weight & clog their ateries or anything.

[TigersEye]

Didn’t koalas and eucalyptus trees both evolve long ago when CO2 levels were far higher? How did they ever manage to make it until today’s “safe” environment came along?

[TigersEye]

Here is another question.

#3. Since koalas only eat eucalyptus leaves and nothing else and, as claimed, increased CO2 only increases levels of phytochemicals that eucalyptus ordinarily generates (it doesn't cause it to make any different phytochemicals); what is toxic to a koala?

[Fred Nerks]

http://www.abc.net.au/catalyst/stories/s528804.htm

Koala Wars

This controversial story investigates a problem that goes to the heart of a crisis in wildlife management in Australia. This is not a story about disappearing wildlife it’s a story about native animals reaching plague numbers. The animal is the koala in certain areas of Victoria koalas are stripping bare entire forests, and killing off the very trees they depend on...