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Environment, news, culture from the Australian Alps

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Mt MacDonald

Celebrating the survivors

Across the mountains of south eastern Australia, climate change is already driving profound change. In many places in the high country, snow gum forests are facing a double threat: dieback, caused by a native beetle is killing individual trees, and climate change driven fire regimes are devastating vast areas of forest.

Recent research by John Morgan, Michael Shackleton and Zac Walker from the Research Centre for Applied Alpine Ecology at La Trobe University highlights that ‘Long-unburnt snow gum forests (now) comprise less than 1% of snow gum forests in the Victorian Alps’.

We know that snow gums can survive fire. We also know that across the Alps snow gum woodlands are starting to collapse from too frequent fire. That’s why we have to appreciate and protect the old forests that remain.

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BTAC gets to work on the AAWT

If you have ever wandered on a walking track in the mountains, you have enjoyed the fruits of someone else’s labour. Walking tracks are cultural artifacts that allow us to access the forests, mountains and rivers that we love. Often they follow earlier paths: settlers followed First Nations routes out of Gippsland into the high country. Miners and graziers cut rough tracks into the gold diggings. Sometimes these turned into commerce highways as large population centres grew around the diggings. Nowadays the foot tracks in the high country are all about recreation.

But with increasing fires across the mountains, many tracks can become crowded out through a mass of regrowth. And as trees killed in bushfires start to collapse, many tracks become crossed by fallen logs and the tracks become multiple braids, often ending in dead ends, making navigation difficult and increasing the likelihood of walkers becoming lost. Land management authorities have limited funds to maintain the trail network and have many demands on their time.

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