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Climate change may eradicate some weeds

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Angel View Drop Down
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    Posted: 18 May 2010 at 7:51am

Climate change may eradicate some weeds

AAP May 18, 2010, 3:55 pm
 
 
Climate change may have an upside in helping Australian scientists put the squeeze on some weed species.

A CSIRO report has found that hotter temperatures and reduced rainfall in South Australia could lead to changes in the type and number of weeds growing in areas across the state.

It said existing weed problems in northern districts may shift south and landholders may have to deal with species they haven't encountered before.

But it also found that as the climate warms the geographic range of some weeds that prefer cooler conditions may be reduced.

"If we can prevent the replacement with other weeds we may be able to put the squeeze on some weeds, particularly the notoriously destructive weeds Bridal Creeper and Scotch Broom," lead author Darren Kriticos said.

"Being forearmed with this knowledge and sharing information with those who deal with the likely weeds of tomorrow will give communities an increased awareness and ability to strategically control potential future problem weeds."

Weeds are considered a major threat to Australia's biodiversity and agricultural production as they overwhelm native species and contribute to land degradation.

They cost Australia more than $4 billion a year in control measures and lost production.

South Australian Environment Minister Paul Caica said the robust science used in the CSIRO report included climate modelling to 2080 to formulate the likely future impacts of climate change.

"It proposes research directions for weed management, particularly those weeds which pose a significant challenge to our state," Mr Caica said.


Edited by Angel - 18 May 2010 at 7:52am
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Angel View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Angel Quote  Post ReplyReply Direct Link To This Post Posted: 18 May 2010 at 8:00am
maybe its good for something Tongue
 
but i like to point out that australia is moving north.....Wink
 
 
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martha View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote martha Quote  Post ReplyReply Direct Link To This Post Posted: 18 May 2010 at 8:17am
Wow, Angel..interesting article!
some of us are a lot like cement:- all mixed up and permanently set
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Matt Browne View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Matt Browne Quote  Post ReplyReply Direct Link To This Post Posted: 23 May 2010 at 3:53am
But the risks outweigh the benefits.


A religion that's intolerant of other religions can't be the world's best religion --Abdel Samad
Great minds discuss ideas. Average minds discuss events. Small minds discuss people--Eleanor Roosevelt
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