More Human impacts

Necora puber , also known as the velvet swimming crab, may not be as soft as the name implies. The crab's red eyes and aggressive nature have resulted in a second nickname, devil's crab . As if it...
What is blue carbon? It's a term used to describe the carbon that is captured from the atmosphere by ocean ecosystems, mainly coastal mangroves, seagrasses and salt marshes. These coastal areas can...
A polar bear ( Ursus maritimus) in Churchill Wildlife Management Area in Manitoba, Canada smelling the scent of humans while waiting for sea ice to form on of the Hudson Bay. There are several human...
A stormy sea lashes the village of Shismaref, Alaska, where the coastline has eroded 30–90 m (100–300 ft) in the past 30 years.
The year 2010 will likely be remembered as a tragic time for the ocean. Yet, despite the oil disaster in the Gulf of Mexico, I have hope for our ocean’s future. Last week President Obama signed an...
These bits and pieces of plastic are drying in a petri dish before they are archived. They were collected in nets from the open ocean.
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...
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...
If you want to study invasive species in the ocean, the Panama Canal offers a lot to explore. The ships passing through can inadvertently transport plants, animals, and even parasites from the...
Penguins are odd birds. For one, they cannot fly (but they are amazing swimmers), and, contrary to popular belief, the majority of penguin populations live in warmer regions. Only four of the 18...
Today, carbon dioxide (CO2) levels in our atmosphere are the highest they've been in 15 million years. It's the cumulative impact of an ever-expanding population -- 7 billion people and rising -- and...
This coral reef in the Western Pacific Ocean was killed by human input of silt and sand from nearby islands reaching the coral reef habitat. More about coral reef ecosystems can be found in our Coral...
A scientist, Chris Reddy from Woods Hole Oceanographic Institution, collects oil-laden "sand patties" on a Louisiana beach two years after the oil spill. Watch a video of Chris Reddy talking about...
CREDIT: Flickr User Fabi Fliervoet 1. Bring Your Own The trash we "throw away" doesn't disappear. Plastic bags, disposable food containers, snack wrappers, and other loose garbage can be washed into...
Happy (early) Independence Day! For many of us in the United States, the 4th of July is a time to celebrate and reflect on our national heritage. In many ways, the U.S. grew up on the water and...
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...
Mangroves thrive in hot, muddy, salty conditions that would kill most plants. But even these tough trees are threatened by human development. This lone mangrove shoot in South Bimini, Bahamas stands...
Neptune grass ( Posidonia oceanica ) is an ancient seagrass that is unique to the Mediterranean Sea. It is incredibly slow-growing; so slow that scientists estimate one large meadow that is 9.3 miles...
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