The new study deepens the connection between human-caused climate change and the crabs' die-off in recent years.
A vessel working with NOAA Fisheries travels through the Eastern Bering Sea while some ice is still intact. in recent years to warming ocean waters. But a new study released Wednesday by the National Oceanic and Atmospheric Administration deepens the connection between human-caused climate change and the die-off., which was published in the journal “Nature Climate Change”
“Like an Arctic terrestrial ecosystem around Kotzebue is traditionally tundra, you don’t have shrubs. But as you borealize, you get more shrubs, even trees,” said Litzow, who is also the director of NOAA’s Alaska Fisheries Science Center in Kodiak. “So you can imagine what a huge transition it is to go from tundra to forest. And it’s the same type of thing going from ice-associated to no ice all year.
“So it’s not like we are going to lose snow crab anytime soon, but we should expect the southern limit of their range to be retracting north, fairly rapidly,” Litzow said.
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