A NSW Bushfire Enquiry concluded: “Hazard-reduction burns should be greatly increased”.
What a breath of good sense. If there is no fuel, there can be no fire.
They also urge a return to indigenous fire management. Aboriginals burnt anything and everything, at any time, for any reason. They had no water-bombers and seldom tried to put fires out, but they did understand back-burning. Their vegetation management created the vast and productive open forests and grasslands that supported large populations of marsupials and birds.
But tree huggers would never support this. They prefer scrub, weeds, pests and occasional fierce wildfires.
The Landscape and wildlife of Australia was shaped and then maintained by frequent mild burning for at least 40,000 years. This reality must be recognised and it dictates that there are only two futures for Australia:
A healthy safe landscape that maintains sustainable vegetation, wildlife and people. This requires that we re-establish the successful fire regimes of the past.
A dangerous and destructive landscape with too many people cowering in suburban and rural enclaves surrounded by a tinderbox of pest-ridden weeds, scrub and litter – a threat to trees, wildlife and property. This is today’s fire regime in Eastern Australia.
‘We saw this coming for years’: Farmers take legal action after fires.
Six farmers are preparing to take legal action against the NSW state government, arguing a massive bushfire in northern NSW could have been prevented if more hazard reduction had been allowed.
In what could be the first class action after this summer’s horror bushfire season, graziers hit by the August blaze in the Guy Fawkes National Park, west of Coffs Harbour, say it was “a disaster waiting to happen”.
Lamont and He are academics from Curtin University in WA, the former a botanist and the latter a molecular biologist. They argue against the use of fuel reduction burning in bushfire management because it does not “stop bushfires”.
Anyone who has studied elementary physics, or basic fire science, is familiar with the Fire Triangle. For a fire to occur three things must be present:
Oxygen, to enable oxidation or combustion (or, in everyday terms “burning”);
Fuel, which is the substance that burns; and
Heat, or a source of ignition, to ignite the fuel in the presence of the oxygen.
If any one of these elements is absent, a fire will not occur.
I first remember seeing this demonstrated in a laboratory when I was a high school student. Our physics teacher had a glass container from which all the air had been removed. When a lighted candle was inserted into the vacuum, it immediately went out. No air, which means no oxygen, meant no fire. A lesson never to be forgotten.
In fact, there are two Fire Triangles, and both must be understood if bushfires are to be effectively managed and bushfire damage is to be minimised. They are the Classic Fire Triangle, and the Bushfire Triangle. Continue reading “Fire Triangles”
Recent climate change has not caused Australian bushfires. Besides the fact that many of the fires are set by people, either intentionally or by accident, a major cause of Australia’s fire problem has been the high ‘fuel loads,’ underbrush that, left to accumulate over years, acts as a tinder box for bushfires. Craig Kelly, Liberal member of the Australian House of Representatives (Hughes, New South Wales), told ITV’s Good Morning Britain on January 6:
It’s ironic that a former Olympic alpine skier should be the one offering a private bill on climate change when climate change has long been cited as a reason for removal of alpine skiing, at least in Victoria (“Independent MP Zali Steggall pushes forward with private bill on climate change” The Australian 9/1/20).
On Mt Buffalo, the small family-aimed Cresta ski area was burnt in December 2006. Eminently defensible, the resort was intact when the then Department of Sustainability and Environment (now Department of Environment, Land, Water and Planning–DELWP) ordered its crew to abandon it for a crew change an hour or more away in the valley. On return of the next crew, the buildings were alight, and became a total loss. Continue reading ““Let the Ski Resorts Burn!””