More Human impacts

In the Pacific Ocean, four ocean currents merge to form the North Pacific gyre, also known as the North Pacific Subtropical High, which spans the western US to Japan, and Hawaii to California. This...
A Twelve-Step group for wild animals with people-food addictions? Don’t be responsible for getting a dolphin hooked on human handouts! This cartoon satire portrays a dolphin trying to break his...
Dr. Demian Chapman of the Institute for Ocean Conservation Science at New York’s Stony Brook University explains how DNA extraction from shark fins can identify the species of shark and where the...
Seagrasses growing on the seafloor of the Chesapeake Bay rely on light to grow—but, thanks to pollution, that sunlight has become more scarce. Nutrient runoff from fertilizers causes microscopic...
When you are shopping for gifts and jewelry, steer clear of gifts that use real coral or other marine animal products. Deepwater pink and red corals in particular have been prized for their beauty in...
Those of us who can't see the ocean from our window might feel disconnected from the life there. It might seem that, because the ocean feels far away, its problems will only harm those people that...
The National Museum of Natural History's Department of Invertebrate Zoology has developed an online map that provides information about invertebrates in the National Collection from areas impacted by...
Dr. Sylvia Earle, at the Select Committee on Energy Independence and Global Warming's hearing: “ Rising Tides, Rising Temperatures: Global Warming’s Impacts on the Oceans .” Dr. Earle is referred to...
Over the past several decades, Florida’s coastal wetlands have been changing. Along the eastern shore, researchers have seen small mangrove trees appearing in areas further north than they usually...
Dr. Karen L. McKee collects a peat core in a mangrove forest in Belize. It will help her reconstruct how mangroves have changed over the past 8,000 years. Dr. McKee’s research has shown that when...
Home is where the hull is: Since the dawn of seafaring, humankind has had to deal with pesky creatures, such as barnacles, that “foul” ship hulls and boat propellers like this one. Find out more in...
Sometimes, a tragic event can become a powerful teaching opportunity. The Deepwater Horizon oil spill in the Gulf of Mexico has the potential to capture students’ attention and stimulate discussion...
Dr. Ilka C. "Candy" Feller calls mangroves the 'nursery of the sea.' These important coastal habitats face many threats, including nutrient pollution from fertilizer runoff. That's the focus of much...
In the ocean, microscopic forms of algae, known as dinoflagellates , can "bloom" into dense patches near the surface, often referred to as "red tides." Some of these harmful algal blooms (HABs) are...
Traditional fishing techniques now involve monofilament nets, with snorkelers diving down to ensure the bigger fish don't get away. Many people still fish traditionally along the eastern coast of...
The Ross Sea, a 1.9 million square mile (3.6 million square km) stretch of ocean off the coast of Antarctica, has been nicknamed “ The Last Ocean .” And it’s not just a ploy to get your attention. In...
Imagine: You’re in a small submersible, and you gently settle on the soft muddy bottom at a depth of 12,000 feet. It’s absolutely dark. What will you see when the exterior lights are turned on? Will...
While bottom trawling—a fishing method that drags a large net with heavy weights across the seafloor—fishermen often catch more than their target fish. Here, they've scooped up a large deep-sea coral...
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