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Most of our experiences in digital photography are somewhere between one end of a spectrum and the other. Underwater photographers often make an either/or distinction when describing how we shoot, ignoring that it is really a continuum.
Though I believe rewilding coral reefs is a valuable approach, it requires a strong, established foundation of good old-fashioned marine conservation. I view reef rewilding as a tertiary marine conservation strategy that we should attempt only after the fundamentals of an effective marine conservation strategy (often anchored with a well-managed marine protected area) are in place.
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Sorb, or scrubber, plays a critical role in rebreather diving, as it is responsible for removing carbon dioxide (CO2) from the diver’s breathing gas. Small granules or pellets absorb exhaled CO2 and allow oxygen to pass through. This chemical process allows rebreathers to recycle exhaled air, limiting gas consumption and allowing longer dives.
The “Historic Dive Helmets” article from the Second Quarter 2024 issue of Alert Diver triggered memories of my father, Burton Stewart, and his best friend Leno Prestini. In 1935 they crafted their own dive gear from a water heater, milk can, garden hoses, and Goodyear balloon material for the suits.
These small yet magnificent mollusks live in the open ocean and are at the mercy of wind, tide, and currents. As they float upside down just beneath the surface, their blue-striped bellies point upward while their metallic backs are counter-shaded when seen from below.
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