From Stromatolites to Microbialites

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From Stromatolites to Microbialites by Steve Reynolds During Ian Lewis’ talk about cave diving around Mount Gambier at the SDFSA’s Splash Inn event during SA Scuba Week, he mentioned the occurrence of stromatolites in the Blue Lake. This reminded me about the article Report on the Blue Lake Sediment Sampling […]

Species sighted at Witton Bluff & Christies Reef

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Species sighted at Witton Bluff & Christies Reef by Steve Reynolds As reported in My Early Diving Days , Witton Bluff is the high point on the coast between Port Noarlunga and Christies Beach. It is named after the 1839 wreck of the David Witton. I did my first sea snorkel there […]

Living the Dream about the Seagrass Lady

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“Living the Dream about the Seagrass Lady” by Steve Reynolds During the 1980s, I was given a copy of a Reader’s Digest article about a “Seagrass Lady” called Anitra Thorhaug who was pioneering transplanting of seagrass to restore degraded habitat. Her work was something that I aspired to back then. […]

Rhodoliths

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As divers, we see all different kinds of marine algae underwater, but identifying the species can be tricky for most of us. There are greens, browns, reds and even blue-greens. Then there are Dinoflagellates (Division Dinophyta) and different seagrasses (Angiosperms). Algae at Rapid Bay jetty March 2017 (Taken by Steve […]

Jessie Hussey’s contribution to the knowledge of SA’s marine flora

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According to the web page found at http://know.ourplants.org/news/jessey-hussey-inspires-school-teachers/  Jessie Hussey made a “significant and pioneering contribution to the knowledge of South Australia’s terrestrial and marine flora during the 1890s. She became a respected collaborator of many leading national and international botanists and phycologists”. According to the web page found at […]

South Australia’s four native Blue Devil species

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David Muirhead says that South Australia actually has four native blue devil species! He says that these are: – #1:Paraplesiops meleagris : Southern Blue Devil #2:Paraplesiops alisonae : Alison’s Blue Devil #3:Eryngium rostratum : Blue devil #4:Eryngium vesiculosum : Prostrate Blue devil (aka Prickfoot) David adds, “Actually SA has 5-6 […]