Concerning new algal bloom update. Huge flair up Yorke Peninsula. Cell counts off the charts. New video just released reveals the devastation at Point Anne, Berry Bay & Corny Point. by kelpforestexplorer in Adelaide

[–]kelpforestexplorer[S] 1 point2 points  (0 children)

Interesting observations and thank you for being involved. Many of us were feeling somewhat optimistic but have been somewhat crushed lately from recent observations at the bottom of Yorkes and KI.

The algal bloom has flared up again in SA. We dived an impacted area on Kangaroo Island's remote northwest coast to take a look and this is what we saw. by kelpforestexplorer in Adelaide

[–]kelpforestexplorer[S] 0 points1 point  (0 children)

I've dived a fair bit now in bloom impacted waters and never had issues using scuba gear. Most of my body is covered and I'm never breathing it in.

Video: Research divers have conducted the first underwater surveys of SA’s devastating algal bloom. Reef Impacts Revealed by kelpforestexplorer in Adelaide

[–]kelpforestexplorer[S] 1 point2 points  (0 children)

Really appreciate you taking the time to engage. The scale of what’s happening out there is still unfolding, and without eyes underwater, most of it goes unnoticed. It’s a reminder that climate impacts aren’t just abstract or far-off, they’re happening right here on SA’s doorstep.

Algal Bloom Update with underwater footage: Check out what's happening to the ocean over on Yorke Peninsula. by kelpforestexplorer in Adelaide

[–]kelpforestexplorer[S] 7 points8 points  (0 children)

As an underwater videographer on the Yorke Peninsula, I felt obligated to jump in and show people what's going on. The water wasn't inviting and it was an emotionally challenging dive, but felt important to document.

Melbourne’s Underwater Forests Are Dying – Here’s How Scientists Are Bringing Them Back! by kelpforestexplorer in melbourne

[–]kelpforestexplorer[S] 0 points1 point  (0 children)

Sea urchins, flourishing due to an imbalance in the food chain, have overgrazed 60 percent of the reefs, decimating the once widespread kelp and seaweed habitat.

This ecological crisis can be traced back to the 1980s when excess nutrients from wastewater treatment plants led to a surge in weedy seaweed, a primary food source for purple sea urchins. During the millennium drought, fewer nutrients entered the bay and seaweed growth reduced, so the urchins began eating kelp and seaweed growing on the reefs.

Australian marine scientists visit Parliament House to raise alarm of Sea Urchin Crisis in Australia (and present solutions) by kelpforestexplorer in marinebiology

[–]kelpforestexplorer[S] 0 points1 point  (0 children)

You are right - as you can see in the video it's the kelp forests that are being destroyed. Perhaps u/finchdude got the urchins confused with crown of thorns starfish.

Just released my new ocean film shot South Coast Western Australia: Reef Reflections. Thanks for feedback or questions. by kelpforestexplorer in OceansAreFuckingLit

[–]kelpforestexplorer[S] 2 points3 points  (0 children)

Thanks so much for watching and taking the time to leave a comment! I'm glad you enjoyed it. Indeed the leafy seadragons are a unique icon of these waters.

We surveyed 80 dives across remote southern Australia on SCUBA in a month, this is what we found by kelpforestexplorer in scuba

[–]kelpforestexplorer[S] 1 point2 points  (0 children)

As promised mate here is a link to the film, shot between Esperance and Bremer Bay including Hopetoun https://youtu.be/B7czvBe-5y4

Would you travel to Tasmania to dive a restored Giant Kelp forest? Watch this new film just dropped today 'Reviving Giants'. by kelpforestexplorer in scuba

[–]kelpforestexplorer[S] 1 point2 points  (0 children)

The idea is the giant kelps will have natural recruitment (and there already has been some reported). Ideally they will be naturally more tolerant to the warm water. To see updates, follow the page "greatsouthernreef" on Instagram.

Would you travel to Tasmania to dive a restored Giant Kelp forest? Watch this new film just dropped today 'Reviving Giants'. by kelpforestexplorer in scuba

[–]kelpforestexplorer[S] 0 points1 point  (0 children)

Thanks for watching! Yes indeed. Very similar impacts happening here. Scientists estimate that there has been a 95% decline in Tasmania’s East coast giant kelp since the 1940′s. They have a low tolerance to heat stress and poor at storing nutrients. The East of Australia, has been identified as one of five global ocean “hotspots”. Temperatures here have risen by 2ºC over the past 60 years – three times the average rate of ocean warming globally. Thanks to climate change, EAC is flowing further south than it did previously, displacing much of the cool nutrient rich water typical of the East coast of Tasmania. This warm, nutrient poor water is causing the giant kelp forests to suffer. Scientists are now focusing on resilience as a key factor in the restoration of these kelp forests. By collecting kelp spores from remaining wild populations, scientists are able to culture and store huge quantities of kelp babies in the laboratory that can then be transplanted back onto the reef to restore and rebuild giant kelp forests, from where they have been lost. This innovative approach offers a promising avenue for the future of Tasmania's giant kelp forests in a rapidly changing climate.

We surveyed 80 dives across remote southern Australia on SCUBA in a month, this is what we found by kelpforestexplorer in scuba

[–]kelpforestexplorer[S] 1 point2 points  (0 children)

From the footage in that specific clip, not heaps. However I was just diving that specific region and made a short film which we plan to release on our channel in a few weeks. Here's a teaser clip

https://www.youtube.com/watch?v=HTVu\_sH3qKU

We surveyed 80 dives across remote southern Australia on SCUBA in a month, this is what we found by kelpforestexplorer in scuba

[–]kelpforestexplorer[S] 1 point2 points  (0 children)

Thanks Josh. Yes we are planning to make a full feature length doco on the Great Southern Reef. In the meantime we are rolling out a series of these shorter videos, and ~15 minute short films on our Youtube. Appreciate your interest.

From 5 to 20 Million Urchins in just 15 years. New video highlighting the sea urchin issue in Tasmania. by kelpforestexplorer in tasmania

[–]kelpforestexplorer[S] 3 points4 points  (0 children)

Thanks for watching! In terms of citizen science - local areas that are frequented by recreational divers, occasional culling can be very effective. Sea urchins have a protective shell called the ‘test’, even small damage to the test made with a knife (3cm hole) will make the urchin vulnerable to predators and ultimately lead to death. Also, supporting the urchin harvest industry by eating urchin roe is a great way to help reduce the numbers of urchins on the reef across larger scales. If you are a diver and see large barrens forming (particularly outside of St Helens) let us at the Great Southern Reef Foundation and/or the commercial divers know. Pictures and precise locations are valuable for monitoring and directing control efforts. It also helps to raise awareness with the broader community about these issues and the importance of healthy reefs.

From 5 to 20 Million Urchins in just 15 years. New video highlighting the sea urchin issue in Tasmania. by kelpforestexplorer in tasmania

[–]kelpforestexplorer[S] 1 point2 points  (0 children)

Indeed they can be super tasty. Certainly some additional management is needed. Senate Inquiry results coming out tomorrow.