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Climate, Ecology, War & More: Dr. Glen Barry BigEarthData.ai
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Once on the brink of extinction, sand tiger sharks are rebounding in Boston Harbor ->The Christian Science Monitor | More on "Sand tiger sharks Boston Harbor recovery" at BigEarthData.ai | #Extinction

csmonitor.comOnce on the brink of extinction, sand tiger sharks are rebounding in Boston HarborIt’s a warm September day, one of summer’s last gasps, when Ryan Knotek drops anchor in a quiet inlet of Quincy Bay. The New England Aquarium research scientist cuts up frozen Atlantic menhaden, known locally as pogies, secures them to circle hooks attached to several fishing rods, and casts them into the shallow water. Now, it’s time to wait. The catch? Juvenile sand tiger sharks. Once fished to the brink of extinction globally, sand tiger sharks, that iconic aquarium shark with a jaw of protruding, jagged teeth that only a mother could love, have been increasing in the Boston Harbor over the last decade. Here, sand tigers up to 4 years old and measuring between 3 and 5 feet long summer from July to September. It’s a remarkable success story, both for the species and the city. Not too long ago, Boston Harbor was condemned as the “dirtiest harbor in America,” with its shallowest areas widely considered ecologically dead. That was due to the hundreds of millions of gallons of raw sewage and industrial waste that were dumped into its waters every day for over a century. Today, after a lawsuit, decades of work, and a $4.5 billion cleanup effort,...

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