A stylised rendition of mangrove leaves as fruits floats upon a yellow background suggestive of the forms of pneumatophores, gentle waves and mangrove fruits

The St Kilda salt fields brine spill – Mangrove disaster and a wake up call for the SA Government

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If you’ve been following the news in South Australia over the past few months, you’re probably aware of the many hectares of dead, dying and distressed vegetation in the St Kilda salt marshes. The most recognisable of these is the iconic grey mangrove, Avicennia marina, which can be seen up […]

More on Sea Urchin Barrens and Mini-Barrens

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Further to my articles Sea urchin barrens and mini-barrens and Follow-up re Sea urchin barrens and mini-barrens, when Chris Roberts posted this photo of Red-tipped Urchins, Heliocidaris tuberculata, seen at Little Bay, New South Wales, on iNaturalist, David Muirhead commented, “looks like you have a problem with (urchin) barrens in […]

Tweets About Marine Heatwaves

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Further to previous articles about marine heatwaves, such as UN Report Warns About the Threat of Increased Marine Heatwaves and Surviving a Heat Wave: Your Safety & Strategy Guide, Jessica Benthuysen, “Physical oceanographer at the Australian Institute of Marine Science, Perth” twitter page (@jabenthuysen) often discusses marine heatwaves. On 31st […]

Port Playford – the latest in a decade of industrial proposals for Spencer Gulf

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Port Playford – the latest in a decade of industrial proposals for Spencer Gulf by Dan Monceaux Most naturalists probably haven’t committed much thought to the topics of port developments, seawater desalination, shipping and their respective environmental impacts. I found my way into these fields of study back in 2011, […]

The contribution of underwater photographs to marine science

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The contribution of underwater photographs to marine science by Steve Reynolds Society member David Muirhead contributes many, if not most, of his photographs to marine science. Most of them, if not all, are posted to iNaturalist. This includes everything that moves and many things that don’t (move). He even took […]

The Discovery of a 23m-year-old fossil in Mount Gambier

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The Discovery of a 23m-year-old fossil in Mount Gambier By Steve Reynolds (STEVE’S SDFSA SCIENCE STORY for the month of November) I confess that I maintain only a limited interest in molluscs, even less interest in deep-water species or fossilised specimens. This is despite having a few friends with a […]