THE OFFICIAL MAGAZINE OF DIVERS ALERT NETWORK

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Melissa Ilardo

By Madeline Coombs and Frauke Tillmans, PhD

Q1 2024

Melissa Ilardo, PhD, is passionate about working in the distinct field of genetic analyses on individuals, primarily in Indigenous populations who have adapted to unique lifestyles or environments.

Optimal Nutrition for Diving 

By Gustavo Mauvecin, MD

Q1 2024

Scuba diving demands not only physical fitness but also proper nutritional preparation. Like with any activity, we expend energy while diving; surprisingly, the energy required for routine recreational diving is somewhat moderate. Under unusually strenuous recreational conditions, however, it’s possible to burn more than 500 calories. 

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Training Is Everything in a Rescue Attempt

By Amy Arnold

Q1 2024

Many divers are proud to be comfortable in the water and sometimes push their limits on air consumption, exceed their bottom time, or take one last shot of a big fish with a camera or spear before ascending. Some of them develop reputations in the dive community for being competent divers by looking cool and experienced while taking little risks. It may start small but snowball into making poor decisions for which the price you pay is not worth the reward.

Learning from the Conception

Text by JoAnn Haack, MSE, and Francois Burman, Pr.Eng, MSc; photos by Stephen Frink

Q1 2024

On Sept. 2, 2019, the small passenger vessel Conception burned to the waterline off Santa Cruz Island, California, killing 34 people. This wasn’t the first liveaboard fire, but the fearful reactions to this deadly tragedy echoed throughout the scuba industry. Liveaboard fires that have occurred since this incident have further fueled industry concerns.

Welcome to Shoulder Light

Text and photos by Josh Blank

Q1 2024

Imagine waking up in the early hours of the morning at your favorite dive site. The sun hasn’t quite peaked above the horizon, and light is minimal. You don your dive gear, grab your camera, and giant stride off the back of the boat to begin your descent into the dimly lit ocean.

Fighting the European Green Crab Invasion 

Text and photos by Shane Gross

Q1 2024

One of the world’s most destructive invasive species is gaining new ground — or water — in Canada and up to Alaska. Carcinus maenas, which translates to “raving mad crab,” outcompetes many local crab species in devouring clams, oysters, and mussels, and they sometimes even eat other crabs and juvenile fish. They destroy seagrass, an essential habitat for juvenile salmon, herring, rockfish, and many other marine animals.

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