Tag: Coastal Conservation

Coastal Protection and Clean Water: Recognizing the Benefits of Oyster Reefs

Following Superstorm Sandy, people looked to oyster reefs for coastal protection and other benefits. But how do we make those benefits tangible?

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Coastal Resilience 2.0: Assessing Risk and Identifying Solutions to Coastal Hazards

Is there any way to predict the severity and damage posed by storms and flooding to communities? Who is most at risk? And what can we do about it? Introducing Coastal Resilience 2.0.

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Is China’s Coastal Aquaculture Production a House of Cards?

No country exports more shrimp than China. Yet how sustainable is shrimp aquaculture production in China? Conservancy senior social scientist Craig Leisher looks to the literature for answers, and what he finds isn’t promising.

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Long Island’s Elephant in the Room: Nitrogen Pollution

“How about we initiate a ‘poop at work’ campaign?”

My colleague Carl was kidding about how to improve water quality on Long Island, but his joke went right to the heart of the problem. Many Long Island residents commute to New York City for work every day. Carl’s idea would solve the problem that we are grappling with on Long Island, as are many estuaries around the world: There is too much nitrogen in coastal waters and much of it is coming from inadequately treated human waste.

Social science research the Conservancy has carried out tells us that the average person living on Long Island cares deeply about clean water, whether it is to swim or fish in, or live near, or it is clean, freshwater we drink. Our social science research also tells us that the average Long Islander does not know:

  • where their drinking water comes from (answer: groundwater);
  • where their waste goes when they flush the toilet (answer: mostly septic systems, which are not designed to remove nitrogen, or sewage treatment plants in the more urbanized areas); and
  • that nitrogen from human waste, fertilizer and burning fossil fuels are polluting Long Island bays and harbors.

And if we do not tackle nitrogen and nutrient pollution on Long Island, our work could fail.

The Conservancy on Long Island has a long-standing marine program focused on estuarine restoration and coastal climate change resilience and adaptation. And by many counts we have been successful. We re-directed land acquisition to better protect estuaries. We acquired 13,500 acres of underwater land and transplanted over 7 million clams in over 100 sanctuaries. We supported science and policy to protect and restore seagrass, and we developed a network of monitoring sites to determine whether salt marshes are keeping pace with sea level rise.

Yet the ultimate success of all these projects hinges on nitrogen: Excessive nitrogen loading will impede our efforts over the long-term.

Why? Because regardless of the millions of hard clams returned to Great South Bay, it suffers from harmful algal blooms hampering the growth and adequate recruitment of bivalves. Regardless of the availability of land to which salt marsh can migrate, excessive nitrogen loading is a key driver of marsh loss. Regardless of successful passage of legislation we crafted to protect seagrass, science has found that impacts from excessive nitrogen and warming sea temperatures together inhibit seagrass growth and expansion even when physical impacts are limited.

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Salmon Cam Returns

We’re pleased to return Salmon Cam, a live view of spawning Chinook and coho salmon and steelhead trout.

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