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While not toxic to humans, the algae damages the gills and gill structures of marine life, asphyxiating them in the water.
On Tuesday, Greens senator Sarah Hanson-Young posted footage on Instagram of the mangled body of a seal washed up on a beach, with a caption that read: “Our ocean is sick. Our wildlife is dying. Our economy and tourism is being crippled. Our local community is in shock.”
Tourism industry left reeling
In October 2020, around 50,000 Great State Vouchers were snapped up within an hour in what the South Australian Tourism Commission’s chief executive described as a “shot in the arm” for the tourism sector.

South Australia’s peak tourism body says hundreds of businesses have been impacted by the algal bloom. Source: AAP / Brad Martin/PR IMAGE
“We’ve seen as an investment [on a $100 voucher] families spending up to four or five hundred dollars in regions as they pull into the servo, they visit the bakeries, they book into a caravan park and they explore a new region,” Pratt said.
“What we’re seeing in tourism right now is significant cancellations of people undertaking trips to our coastal areas for spring and summer,” Shaun de Bruyn from Tourism Industry Council South Australia said.
The climate threat to tourism
Dr Freya Higgins-Desbiolles, a senior lecturer in tourism management at the University of South Australia, told SBS News climate disasters are starting to accelerate as the world passes temperature “tipping points” in global warming and tourism is vulnerable to these disasters.

South Australia’s algal bloom crisis continues to kill marine life. An Adelaide academic says tourism vouchers are a “great idea” to encourage visitors to South Australia despite its environmental challenges. Source: AAP / Matt Turner
“We’re seeing things like flooding and droughts and now the algal bloom here in South Australia … But you know, also COVID, scientists say that pandemics will be increased by climate change. So, I think we’re only just waking up to the multitude of crises we’re likely to face,” she said.
“It’s having a really negative impact on community.”
Governments stepping in to save tourism
Heavy rainfall across the Kimberley region led to flooding that smashed bridges apart, swamped communities, and caused the Fitzroy River to swell to record heights.
Higgins-Desbiolles said tourism vouchers are a “great idea” not only to encourage visitors to South Australia despite environmental challenges but also because they can encourage a feeling of solidarity with communities hit by climate-related issues.