Understanding, enjoying and caring for our oceans
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 […]
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 […]
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 […]
A South Australian company called CH4 SA, as part of CH4 Global, will be farming red algae to help to improve bovine meat and dairy production, whilst eliminating the dreaded methane production associated with cows. According to a report in a “Future Adelaide” lift out section of the Sunday Mail […]
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 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 […]
More on Mimicry, Mutualism and Symbiosis by Steve Reynolds I keep returning back to my roots. As reported in The Colour of Fish in 2017, my first ever attempt at writing about marine life started in 1979 after I had read an article titled “Colour it Blue” by respected fishing […]
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 […]
Response to the “Save the Ocean” documentary Dr David Muirhead says that we all must embrace science because we humans are the core problem regarding marine pollution, not plastics. He says that cleaning up the plastics already in the ocean is just closing the door after the horse has bolted. […]
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 […]