New Hampshire residents are now restricted to a single day per week of clamming (it used to be two days), according to this story in the Portsmouth Herald. State officials are concerned about the drop in survival rates for "yearling" clams that are in their first year of life. One possible culprit may be the green crab (Carcinus maenas), a European invader and predator of the clams. Green crab populations have recently undergone a noticeable increase. (Bonus points to the Portsmouth Herald for using the green crab's scientific name in the article!)
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