There are fears Tasmania’s giant kelp forests are almost extinct.

Once strewn all along the east coast of Tasmania, the kelp has now been completely wiped out in that area, according to dive tour operator Mick Baron.

Mr Baron was among a number of stakeholders who gave evidence at a Senate inquiry in Hobart on Tuesday.

He described the situation as the disappearance of a natural reserve.

“The devastation of the forest is I believe … a national disaster,” he said.

The Environment and Communications Reference Committee is examining the current and future impacts of climate change on Australia’s marine fisheries and biodiversity.

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