Related topics: fish · algae · mississippi river · invasive species

Is Niagara Falls a barrier against fish movement?

New research shows that fishes on either side of Niagara Falls—one of the most powerful waterfalls in the world—are unlikely to breed with one another. Knowing how well the falls serves as a barrier to fish movement is ...

Image: Lake-effect snowfall in the Great Lakes and New York

A powerful winter storm, with lake-effect snow, brought blizzard conditions to New York last week and buried the area surrounding the Great Lakes under a blanket of snow. Days of strong winds, with speeds of over 90 km/h, ...

Decarbonizing your ride for a more stable climate

Transportation produces a sizable amount of greenhouse gas emissions, largely by using petroleum to power internal combustion engines. Alternatives –- for example, organic materials such as grasses to produce fuels or electricity ...

Ice cover takes deep dip on Great Lakes

Icy, snow-covered lakes are a normal part of Midwest winters, but Great Lakes ice cover is taking a big dip this year in Michigan and other states, weather experts say.

Asian carp roundup in Kentucky opens new front in battle

Like a slow-motion, underwater cattle drive, wildlife officials in a half-dozen aluminum boats used pulses of electricity and sound on a recent gray morning to herd schools of Asian carp toward 1,000-foot-long (305 meters) ...

Mayfly populations falling fast in North America

A team of researchers from the University of Oklahoma, Virginia Tech and the University of Notre Dame has found that populations of mayflies in parts of North America have fallen dramatically in recent years. In their paper ...

Rare salt formations appear along the Great Salt Lake

Rare salt formations have been documented for the first time on the shores of the Great Salt Lake, and they could yield insights about salt structures found on Mars before they disappear for good.

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Great Lakes

The Great Lakes (French: Grands Lacs) are a chain of freshwater lakes located in eastern North America, on the Canada – United States border. Consisting of Lakes Superior, Michigan, Huron, Erie, and Ontario, they form the largest group of freshwater lakes on Earth. They are sometimes referred to as the "Third Coast" by some citizens of the United States. Because of their size, some regard them as inland seas.[citation needed]

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