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By 04/14/2021
Scientists have given up hope on fully eradicating the invasive European green crabs that dominate the Seadrift Lagoon, after a research effort there went awry. They are now recommending keeping the population at a manageable threshold.
The attempt to eliminate the species, which is ranked among the 100 worst invasives worldwide, in the lagoon was nearing success until 2014, when the population exploded by a magnitude of 30. The explanation? Scientists had focused on taking the adult crabs, but because they are cannibalistic and consume their young, their absence inadvertently allowed the population to proliferate.
“A failure in science often leads to unexpected directions,” said Dr. Ted Grosholz, a professor and ecologist with the University of California, Davis. “We slapped our foreheads at the time, but with thought and understanding, it’s told us a lot about what we shouldn’t be doing and provided
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