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Scientists warn of spreading European green crab in Ketchikan; public permitted response required
Summary
University and state speakers described recent finds of invasive European green crab around Ketchikan, urged public education and explained state permitting rules for control and removal.
Good evening. My name is Barbara Morgan, and I live at 192 Raspberry Lane. I am so happy that you invited me to talk about the European green crab situation, which has recently moved into the Ketchikan area.
Why it matters: University of Alaska Southeast instructor Barbara Morgan told the Ketchikan Gateway Borough Assembly that European green crab (Carcinus maenas) are aggressive, eat juvenile salmon and Dungeness crabs, tear up eelgrass habitat, and can reproduce rapidly. She said populations in Southeast Alaska have exploded from hundreds to tens of thousands in parts of the region this year, driven in part by warmer waters and larval transport up the coast.
What the borough heard: Morgan said the first confirmed shells…
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