In the Mangrove Grove

THREE THINGS TO KNOW ABOUT MANGROVE FORESTS: 1) They aren’t swamps. They grow in shallow ocean waters along tropical coasts, surviving tidal fluctuations and thriving on the edge between land and sea.  2) Mangrove trees generate the freshwater they need for survival by using a variety of mechanisms to filter the salt out of the ocean water.  3) They’re essential parts of reef systems, key to the reef life. ABOVE AND BELOW    Above water,

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About Poseidon’s Web – Explain the Reef!

  BY PROFESSION, I’M A SCIENCE WRITER whose instinct is to want to learn about things, about how they are and how they came to be that way. And then to tell everyone. BY PASSION, I’M A DIVER. I’ve been diving since 1993, mostly in the Caribbean but also in Australia, the Philippines and the Galapagos. Some diving in New England, although my wife and I moved to Houston in 2013 for family reasons, where

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About Photos

MOST OF THE PHOTOS USED ON POSEIDON’S WEB are my own, taken during some 25 years of diving around the world (and, say 15 or so of serious photography). It should be easy to perceive that both my equipment and skills have evolved over time. PUBLIC DOMAIN    I also use photos that are in the public domain, either from the National Oceanic and Atmospheric and other government agencies, and from Wikimedia Commons, where generous

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