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 […]

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 […]

A STUDY OF PORT ADELAIDE’S ANCHORS

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A STUDY OF PORT ADELAIDE’S ANCHORS by Steve Reynolds Every ship needs an anchor, yet anchors do not normally get the recognition that they deserve. Despite that, an anchor is the most recognizable shipwreck artefact, and it is anchors that provide us with the best seafaring memorials. Several different historical […]

Annual reminder to stakeholders regarding Pacific Oyster Mortality Syndrome

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Alex Chalupa, Senior Biosecurity Officer, Aquatic Pest Response, Biosecurity SA, Invasive Species Unit, Department of Primary Industries and Regions, has sent us this message below. It is the annual reminder to stakeholders regarding Pacific Oyster Mortality Syndrome (POMS). Hi Everyone, Hope you are coping well in these extraordinary times. It’s beginning […]

More paintings from Paul Burnett

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Here are some more paintings from Paul Burnett: – Ketches loading wheat, Port Wakefield,1922 (Just for comparison, here is a recent photo of mine from about the same location at Port Wakefield): –   North Parade wharf, Port Adelaide,1873 (Just for comparison, here is a recent photo of mine showing […]