John Waldman, a professor of biology at Queens College, New York, works on the ecology and evolution of anadromous fishes, historical ecology, and urban waterways. Before joining Queens College, he worked for 20 years at the Hudson River Foundation for Science and Environmental Research. Waldman's books include Running Silver: Restoring Atlantic Rivers and Their Great Fish Migrations, Heartbeats in the Muck: A Dramatic Look at the History, Sea Life, and Environment of New York Harbor and The Dance of the Flying Gurnards: America's Coastal Curiosities and Beachside Wonders.

 

More from John Waldman

Undamming Rivers: A Chance For New Clean Energy Source

by john waldman
Many hydroelectric dams produce modest amounts of power yet do enormous damage to rivers and fish populations. Why not take down these aging structures, build solar farms in the drained reservoirs, and restore the natural ecology of the rivers?
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How Norway and Russia Made A Cod Fishery Live and Thrive

by john waldman
The prime cod fishing grounds of North America have been depleted or wiped out by overfishing and poor management. But in Arctic waters, Norway and Russia are working cooperatively to sustain a highly productive — and profitable — cod fishery.
READ MORE

Blocked Migration: Fish Ladders On U.S. Dams Are Not Effective

by john waldman
Fishways on rivers in the U.S. Northeast are failing, with less than 3 percent of one key species making it upriver to their spawning grounds, according to a new study. The researchers’ findings provide a cautionary tale for other nations now planning big dam projects.
READ MORE

How Fisheries Can Gain From The Lessons of Sustainable Food

by john waldman
As agriculture and energy production have made strides toward becoming more sustainable, the world’s fisheries have lagged behind. But restoring our beleaguered oceans to health will require an emphasis on diversification and conservation — and a more sensible mix of fishing practices.
READ MORE

The Natural World Vanishes: How Species Cease To Matter

by john waldman
Once, on both sides of the Atlantic, fish such as salmon, eels, and, shad were abundant and played an important role in society, feeding millions and providing a livelihood for tens of thousands. But as these fish have steadily dwindled, humans have lost sight of their significance, with each generation accepting a diminished environment as the new norm.
READ MORE

With Temperatures Rising,
Here Comes ‘Global Weirding’

by john waldman
They’re calling it “global weirding” – the way in which rising temperatures are causing species to change their ranges, the timing of their migrations, and the way they interact with other living things. And the implications of all this are only beginning to be understood.
READ MORE

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