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Tasmania has experienced one of the most dramatic marine changes to take place in AustraliaPhoto by Seanna Cronin   The disappearance of its iconic kelp forests.Photo by Seanna Cronin   The reasons for the rapid degradation are rising water temperatures and an invasive sea urchin.Photo by Seanna Cronin   A promising result for possible urchin management has bee found by using crayfishPhoto by John Natoli   Reigning in the urchins will give Tasmania’s kelp a fighting chance at recoveryPhoto by Seanna Cronin   But the kelp still have to contend with warm water temperaturesPhoto by Seanna Cronin   An estimated 95 per cent, of Tasmania’s kelp forests have declined in the past 30 yearsPhoto by Seanna Cronin   The forests are a unique diving experiencePhoto by Seanna Cronin   Tasmania is the only place in the world where weedy sea dragons can be found in kelp forestsPhoto by Seanna Cronin   The kelp forests could vanish in our lifetime!Photo by Seanna Cronin   |