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Bushfire - Australia

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Old Tuesday 3rd March 2020, 11:59   #126
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Thumbs up Quendas - cute little marsupials help regenerate bushland, reducing fire fuel loads.

An excellent little video clip showing the vital ecosystem functions that these little critters perform (glad that wider Australia is finally rediscovering and waking up to this). I said there were many factors to the bushfire crisis - I would bet that many didn't think we'd cross the path of Bandicoots on that journey ! :)

The other fantastic behaviour of these little beauties is that they will modify their behaviour according to climatic conditions - digging more subterraneanly at times of good moisture (thus aiding decomposition of litter and increasing soil carbon), and more on the surface during dry summer times (thus conserving soil moisture and carbon while still aiding in litter breakdown).

https://m.facebook.com/story.php?sto...composer=false




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Old Wednesday 4th March 2020, 22:52   #127
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Australia's Bushfires Completely Blasted Through the Models

https://www.wired.com/story/australi...ivUFIHnh1ys-KY

So CO2 levels are where they are today, yet the bushfire behaviour is the better part of a century advanced from that correlation according to the models ...... Ding Ding !

There is an edition of the journal Nature Climate Change looking at this fire season - here's the editorial:
https://www.nature.com/articles/s41558-020-0720-5.pdf

The real answers do not lay here. Perhaps it's time to stop faffing around with algorithms and address the real causes ....... Remember:

Your view of the bigger picture is limited to the size of frame that you put it in






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Old Thursday 5th March 2020, 00:35   #128
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The Importance of Soil Moisture

https://m.facebook.com/story.php?sto...&id=1308991338

https://m.phys.org/news/2019-09-feed...CMF1co4yyO0IKs





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Old Thursday 5th March 2020, 02:44   #129
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Exclamation On the drawing board: Analysis of a bushfire loss

A big rethink of what we put and where is needed ....

https://renew.org.au/sanctuary-magaz...tRcdBsYVSB_zk8

"Introduced after the last really bad fire season in 2009, during which the Black Saturday fires in Victoria claimed 173 lives and over 2000 houses, the BAL building standards are certainly a step in the right direction. However, fire conditions in much of Australia seem to be worsening as climate change bites, and there is a fair amount of uncertainty around whether BAL-compliant buildings fare any better in catastrophic fire conditions than any other type. ...."







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Old Monday 9th March 2020, 09:30   #130
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Exclamation The land needs water !

"Entire hillsides of trees turned brown this summer. Is it the start of ecosystem collapse?"
https://theconversation.com/entire-h...JQFyhI2YHJ9DaA

".... it’s likely that some forests now recovering from fire were already struggling with canopy dieback. So these two disturbances will test how resilient our forests are to back-to-back drought and bushfire.

Trees recovering from drought and/or fire may also enter the “dieback spiral”."






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Old Tuesday 10th March 2020, 11:25   #131
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Bulldozer Operators, Loggers, cashing in .....

The rampant exploitation continues - many of the trees removed by opportunism before sufficient rains allowed them to resprout. Thousands of kilometers of roadside forest cleared .....

https://m.facebook.com/story.php?sto...cus_composer=0

https://www.theage.com.au/national/v...sLYfHibjSBi1Lg







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Old Wednesday 11th March 2020, 23:51   #132
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Question Bushfire-proof houses are affordable and look good – so why aren't we building more?

This summer is not the first rodeo - lessons learned ...... ?
https://www.theguardian.com/sustaina...YXI7tEJQSLeEPA







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Old Tuesday 17th March 2020, 09:30   #133
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Unhappy Scientists find burnt, starving koalas weeks after the bushfires

https://theconversation.com/scientis...8-MGKYtN0F5vKA






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Old Wednesday 18th March 2020, 06:35   #134
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Managing Erosion After Bushfires

https://www.lls.nsw.gov.au/our-regio...flMr-yYF15KqIo





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Old Thursday 19th March 2020, 10:22   #135
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The effect of fire on soil

Hint - unless it is a cool burn (pyrolyzing) as mostly (but not 100% of the time - country and season/climate dependent) practiced by Indigenous peoples to build soil fertility and volume, then it's usually not good .......

http://www2.nau.edu/~gaud/bio300w/frsl.htm







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