"This is a hyper diverse region … more species than occur, for example, on the whole of the British Isles
For more than five years, he has pushed for authorities to properly investigate what he believes is the death of close to 1,000 salmon gums in the area.
"We know that it's not jarrah dieback, it's not myrtle rust, it's not shot hole borer — what is it?" he said.
"This is scandalous — it can't be swept under the bloody rug."