According to Picnic Island operator Clem Newton-Brown, one of the biggest issues facing Tasmanian islands is weed infestation.
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Mr Newton-Brown said there are several volunteer groups that work on islands around Tasmania, but the task to get it under control and maintained is "enormous".
He's working on a proposal for "voluntourism" - hosting people who are happy to spend part of their stay working on environmental projects in return for free accommodation.
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"There are many people who are looking for a more satisfying travel experience than sitting by a hotel pool," he said.
"In a regenerative tourism model people can actually contribute to the area and the community they visit. The aim is to facilitate tourism experiences where the destination is left in better shape than if there were no visitors."
The concept is not dis-similar to concepts overseas.
Mr Newton-Brown said that islands are being particularly overrun with mirror bush and box thorn, which are particularly problematic.
"Anyone who visited the remote Bass Strait islands would be shocked to see the extent of the problem," he said.
North Barker Ecosystem Services has been involved with the surveying of the islands operated by Mr Newton-Brown.
Director Andrew North returned to Picnic Island this week with a team to tackle the removal of mirror bush.
"In 2008 there were just 5 or 6 plants of mirror bush on the island; yet by 2021 hundreds of bushes are established," he said.
"Itis incredible just how tenacious this weed is. Where the owners had cut the bushes back they had rooted from their stems where they lay on the ground.
"Volunteering is effective at putting manpower on the ground. A team of 6 were able to remove half the infestation in a single day."
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