Welcome to Dive Log Australasia

Dive Log is the premier scuba diving monthly magazine that provides all the latest scuba news and information from across Australia and the Asia/Pacific region. You can read our monthly magazine free by clicking on the Latest Edition tab, download the iPad application at a low cost of $2.99 or find it at your nearest Newsagent for $4.95. Dive Log is also available at selected dive stores. Each month we look at the key issues that effect us all as divers as well as look at great diving locations in the region as well as the perfect scuba diving holiday destinations. We also review the latest diving equipment and gear and scuba courses and certifications, to ensure you are always up to date with the latest and best things happening in the scuba diving industry.

GOLD COAST
SEA SLUG CENSUS
By ANDREW WINGATE

IN SEARCH FOR A CURE,
FOR THE BENDS
By PETER BUZZACOTT, MPH, PhD

THE NOT SO SIMPLE ART OF
NAMING NUDIBRANCHS
By MIKE SCOTLAND B.Sc

The Sea Slug Census Program run by Professor Stephen Smith, Director of National Marine Science Centre, Southern Cross University, has now spread across the three eastern states of Australia.  6-7 October 2018 sees the third annual Census on the Gold Coast.
SE Queensland divers are spoilt for choice with large marine animals such as the Grey Nurse Sharks, Mantarays, Bull Rays, Eagle Rays, huge Queensland Gropers and Turtles to be found on most boat dives and occasionally on our two shore dives as well.  The team from the Gold Ccoast  Sea Slug Census have managed to introduce to these divers the macro underwater world and especially the world of Sea Slugs.  So when dive conditions are not so great divers are happy to get down low and slow and are being amazed with the jewels to be found. . . 


Scurvy is well-known as a disease that used to afflict sailors. In fact, it was known as a disease as far back as ancient Egypt, and yet by the 1700’s it was still expected to kill half the sailors during any long-distance voyage. Then a cure was discovered – Vitamin C. The simple addition of lemon juice to their diet virtually eliminated this deadly disease among sailors.  Just imagine, for a moment, if there was such a solution to prevent decompression sickness (DCS). If technical divers might simply take a nutritional supplement to prevent the bends.That is exactly what this experiment aimed to work towards.In a lab in Shanghai, at the Second Military Medical University, a group of Chinese decompression scientists have been working steadily to investigate the role of reactive oxygen species (ROS) in decompression sickness.  These are more commonly known by divers as “free radicals” and we generate these whenever we breathe higher partial pressures of oxygen, such as when we dive with air or nitrox. . .


Divers love Sea slugs! The highlight of many dives can be brightly coloured Sea Slugs or Nudibranchs. I dived with a friend who found twenty species of Nudibranch on the wreck of the Yongala over five dives. It’s a great nudi dive!
No marine animal brings out the inner Marine Biologist like Nudibranchs. Many divers become passionate about Sea Slugs and strive to become experts. I like to say, “We become instant experts, just add water!”
They are a complex Mollusc, often extremely beautiful but they are so confusing. No student of Molluscs will ever master the Nudibranchs, certainly not in my lifetime. Let’s find out why!

The million dollar Nudibranch
While there is no such thing, I make the point that research Scientists have to spend many hours studying nudibranchs in great detail to correctly describe it scientifically. . .

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