Marine Creatures Migrations Determined by Climate After All

Marine ecologists have been grappling with a puzzler. They had expected that, as climate change warms the oceans, most species would migrate toward the poles, fleeing the ever hotter waters near the equator and tracking the zone of their preferred water temperature as it shifts. But some studies revealed that some species seemed to migrate in the “wrong” direction. Now, however, researchers have apparently solved the riddle: For the past 4 decades, marine species found along North America’s coasts mostly have followed cooler water, but that doesn’t always mean moving poleward.“This is really quite a neat study,” says Trevor Branch, a fisheries scientist at the University of Washington, Seattle, who was not involved in the work. “It is likely to be the highest profile fisheries paper this year and an instant classic.” [email protected]  15:46

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