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SATURDAY, 15 MARCH 2025 |
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| TIME | SPEAKER | TOPICS |
| 09:00-09:25 | Neno Padjen | Safe Maintenance Procedures for Breathing Air Compressors |
| 09:30-09:55 | Mike Scotland | Swimming with sharks Photography, Marine Biology |
| 10:00-10:25 | Matty Smith | Journey to the End of the Earth: A Photographic Expedition to Antarctica |
| 10:30-10:55 | Richard Fitzpatrick | Catching them by the tail, tagging, tracking and a scientific response to bites: The latest on Shark Behaviour in Queensland |
| 11:00-11:25 | Nicolas Remy |
Rebreathers for Photography |
| 11:30-11:55 | Scott Portelli | Photographing Antarctica Underwater |
| 12:00-12:25 | Dr Frauke Tillmans | “That Was Close” Learning from Diving Accidents |
| 12:30-12:55 | Matt Reed | Tech Diving in Malapascua, Philippines |
| 13:00-13:25 | Nicole Miller | Our Ocean, Our Responsibility: A Healthy Ocean Depends On Everyone |
| 13:30-13:55 | Michael Aw | Amazing Photographic Wonders: Photography |
| 14:00-14:55 | Panel Discussion:
Moderator: Robin Cuesta Speakers: Patrick Widmann, Mikko Paasi, Christian Haylen, Daniel Fitgerald, David Tipping, Chen Qian Charlie |
TeckDive: Explore, Educate, Equip |
| 15:00-15:30 | ADEX OZTEK AUSTRALIA 2025 OFFICIAL OPENING CEREMONY | |
| 15:30-15:55 | Valerie Taylor
Gordon Sott |
Harmonised Grey Nurse Shark Census |
| 16:00-16:25 | Kenji Ichimura | Diving In Japan (Greater Tokyo Area) |
| 16:30-16:55 | Marco Bordieri | Underwater Exploration & Mapping with Consumer-Grade Devices and Skills |
| 17:00-17:25 | Dr Guillermo Corona | Blue Ocean Credits Program: A Nature-Positive Economy Approach |
| 17:30-17:55 | Mark Rausch | Therapeutic & Psychological Benefits: The impact of diving on mental well-being, mobility, and confidence-building |
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SUNDAY, 16 MARCH 2025 |
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| TIME | SPEAKER | TOPICS |
| 09:00-09:25 | Dr Elodie Camprasse | Spider Crabs & Citizen Science |
| 09:30-09:55 | Monica Chin | Nature Comes First! |
| 10:00-10:25 | Todd Thimios | Ultimate Dive Sites |
| 10:30-10:55 | Daniel Fitzgerald | Exploring Queensland’s Best Diving Spot You’ve Never Heard Of: Technical & Rebreather Diving on North Stradbroke Island |
| 11:00-11:25 | David Tipping |
Identifying the USS Ommaney Bay |
| 11:30-11:55 | Steven Ng | Discover Brunei “The Undiscovered Secrets of Brunei” Shipwrecks |
| 12:00-12:25 | Vanessa Mignon | From Whales to Nudibranches: Falling in Love with Macro Photography |
| 12:30-12:55 | Patrick Widmann | Cave Exploration in Brazil |
| 13:00-13:55 | Panel Discussion:
Moderator: Nicolas Remy Speakers: Matty Smith, Richard Fitpatrick, Mike Scotland, Vanessa Mignon, Scott Portelli, Nicole Miller |
Animal Behaviour Photography |
| 14:00-14:25 | Robin Philippo | From Rubble to Reef: Rehabilitating Sloping Reefs After Blast Fishing Using 3D Printing—Without a Printer in Sight |
| 14:30-14:55 | Ben de Groot | ISC Certification, Dive Centres and Training |
| 15:00-15:25 | Elsie Gabriel | Empowering scuba divers as ocean literacy leaders to drive conservation and global change |
| 15:30-15:55 | Carmen Bolton | From White to Bright: Monitoring reef health and recovery on the Southern Great Barrier Reef |
| 16:00-16:25 | Edward Lai | What I was thinking |
*Subject to change
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SATURDAY, 15 MARCH 2025 |
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| TIME | SPEAKER | TOPICS |
| 09:00 | Sue Crowe | OZTek Conference Opening Address |
| 09:01-09:45 | Frederic Swiercznski | New world record for cave diving exploration. During a 7-hours dive in the Font Estramar of the Eastern Pyrenees, french speleonaut Frédéric Swierczynski reached an astonishing depth of -308m! |
| BREAK | ||
| 10:00-10:45 | Dr Frauke Tillmans | What Do We Know About Rebreather Safety? What kills rebreather divers? In this talk we’ll be taking a look at the rapidly growing rebreather community, including the accidents that have occurred and some numbers that may help estimate the size of the rebreather community. The number of newly certified CCR divers has increased from an estimated 2,000 in 2013 to over 3,000 today, which is in line with the growth in CCR sales. This talk will also cover what we know about the confirmed CCR fatalities from 2013 to 2022, including root cause analyses of the cause of death where possible. Finally, we’ll also highlight challenges in data acquisition and analysis. |
| BREAK | ||
| 11:00-11:45 | Mikko Paasi | Bottomline Projects Foundation – a Sandbox for all passionate explorers |
| BREAK | ||
| 12:00-12:30 | Nicole Miller | How bringing together the Rec, Tech, Science, Conservation communities made a difference – A story about Seaweed |
| BREAK | ||
| 13:00-13:45 | Prof Simon Mitchell |
Hypoxia: Can You Train To Recognise A Silent Killer? |
| BREAK | ||
| 14:00-14:45 | Yoshitaka Isaji | Exploration and tech diving in Japan |
| BREAK | ||
| 15:00-15:45 | Chen Qian Charlie | Story of my 258M cave diving at DaXing Spring, China |
| BREAK | ||
| 16:00-16:45 | Andrew Oakely / Alex Aberle-Leeming, Gareth Glasgow |
WreckSploration: Discovering, identifying, and 3D modelling shipwrecks in 100m and deeper off Western Australia. WreckSploration will also be presenting the recent discovery of the wreck of the Dutch Submarine the HNLMS K XI in Perth Waters. |
| BREAK | ||
| 17:00-18:00 | Peter Buzzacott, Beth Jones, Aren Leishman | Scuba diving may cause venous gas emboli (VGE) in tissues, due to supersaturated inert gas. Our research team from Western Australia have been looking at
After describing all this, we will conclude with recent efforts to develop an empirically- based bubble model, and wondering aloud what the near future might hold for diving bubble-models. |
*Subject to change
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SUNDAY, 16 MARCH 2025 |
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| TIME | SPEAKER | TOPICS |
| 08:30-09:15 | Frederic Swiercznski | New world record for cave diving exploration. During a 7-hours dive in the Font Estramar of the Eastern Pyrenees, french speleonaut Frédéric Swierczynski reached an astonishing depth of -308m! |
| BREAK | ||
| 09:30-10:15 | John Garvin | Engineering Underwater Pandora. A behind-the-scenes look at James Cameron’s Avatar- The Way of Water and Avatar – Fire and Ash |
| BREAK | ||
| 10:30-11:00 | John Garvin & Brett Murray | Last Breath – The Movie How a saturation diving movie was filmed. Q & A session about the complexities and how it was accomplished |
| BREAK | ||
| 11:15-12:00 | David Strike | Cautionary Tales for Tekkies: Diving mishaps and misdemeanours |
| BREAK | ||
| 12:15-13:00 | Luis Sanchez |
Deep Cave exploration in Mexican North East Caves. |
| BREAK | ||
| 13:30-14:15 | Mikko Paasi | The discovery of the longest underwater cave system in Thailand |
| BREAK | ||
| 14:30-15:15 | Dr James Hunter | Nineteenth-century Dutch shipwrecks in Australia |
| BREAK | ||
| 15:30-16:15 | Patrick Widman | Cave Exploration in Madagascar |
| BREAK | ||
| 16:30-17:00 | Parasu “Por” Komaradat | Exploring UW mines in Asia |
*Subject to change
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SATURDAY, 15 MARCH 2025 |
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| TIME | SPEAKER | TOPICS |
| Richard Taylor | ||
| 10:00-10:45 | Josh Richards, William Passos | Double or Nothing: Pushing the Limits in Mount Gambier’s Cave Systems The Soggy Wombats cave exploration team has repeatedly discovered new extensions in well known caves throughout the Mount Gambier region using a fusion of cave geology, photogrammetry, and advanced survey techniques. This presentation will dive into the pivotal role of cave geology played in the discovery of Englebrecht’s Extension, the groundbreaking use of photogrammetry helped reveal the Iddlebiddy Extension, and how the integration and refinement of these techniques has recent led to the discovery of the “Crazy Wombat Tunnel” in Pines Cave. Will and Josh will highlight the cutting-edge tools and methodologies transforming underwater cave exploration, pushing past the traditional limits, and reshaping our understanding of Australia’s richest underwater cave region. |
| BREAK | ||
| 11:00-11:45 | Mike Mason | Stories from the deep – Why learning isn’t easy, what you can do to change that. |
| BREAK | ||
| 12:00-12:30 | Nays Baghai | How Tech diving influences me as a film maker |
| BREAK | ||
| 13:00-13:45 | Kevin Black |
Buying your first Rebreather Rebreather diving opens up a whole new world of possibilities for divers—longer bottom times, silent exploration, and access to deeper, more challenging environments. But with so many different units on the market, choosing your first rebreather can feel overwhelming. The most common question I get asked from divers wanting to get into rebreather diving is which unit they should buy. Kevin will guide you through the key factors to consider when selecting a rebreather to suit your diving goals, experience level, and budget. From understanding the differences between manual, and fully electronic CCRs to evaluating training requirements, maintenance, and real-world usability, we’ll break down what you need to know before making this important investment. |
| BREAK | ||
| 14:00-14:45 | Dr Frauke Tilmans | Oxygen toxicity update: where the guidelines come from, what pushing them means, and what we know about mechanisms |
| BREAK | ||
| 15:00-15:45 | Matt Reed | Thresher Sharks of Malapascua Conservation, community & CCR Rebreathers |
| BREAK | ||
| 16:00-16:45 | Robin Cuesta | Expedition Buteng – When Science Meets Exploration Cave Diving Exploration, A Tool for Groundwater Conservation |
| BREAK | ||
| 17:00-17:30 | Chen Qian Charlie & Craig Challen | The first Aussie-Chinese joint deep cave exploration to 252M at Sheng-Loong Sinkhole, China |
| 17:35-18:00 | Richard Taylor | The Fall & Decline of Tech Shows |
*Subject to change
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SUNDAY, 16 MARCH 2025 |
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| TIME | SPEAKER | TOPICS |
| 08:30-09:15 | Peter Buzzacott | Diving in the People’s Republic of China – breath-hold, rec and tech in the Far East |
| BREAK | ||
| 09:30-10:15 | Dr Matt Carter | Update on Mapping WWII Wrecks with CCR and Photogrammetry and satellite technology – Ghost Fleets of the Pacific |
| BREAK | ||
| 10:30-11:00 | Dr Xavier Vrijdag | Hypercapnia in Diving |
| BREAK | ||
| 11:15-12:00 | Prof Simon Mitchell | Immersion Pulmonary Oedema: Diving’s Autism |
| BREAK | ||
| 12:15-13:00 | Andrew Oakely |
Building and diving a Dual JJ-CCR and successfully using it to explore to 240m in China. |
| BREAK | ||
| 13:30-14:15 | Michael Menduno | An Overview of the Tech Rebreather Market: A Technologist’s Perspective |
| BREAK | ||
| 14:30-15:15 | Stephen Fordyce | Master cave or bust: Growling Swallet Tasmania |
| BREAK | ||
| 15:30-16:15 | Dr Frauke Tillmans | How Feasible Is Personalised Decompression? Are we there yet? In this talk, Dr. Tillmans will explore the intriguing topic of personalized decompression and its connection to bubble formation and individual physiology. With a focus on understanding the complexities of decompression stress and its relationship to DCS risk, we will dive into the challenges faced by dive researchers worldwide in studying individual physiology. We’ll also discuss the limitations of current methods, explore the potential of new technologies, and outline why further research is needed. |
| BREAK | ||
| 16:30-17:00 | Robin Cuesta | Indonesia, The New Eldorado of Cave Diving Exploration |
*Subject to change