Hitchhiking seeds pose substantial risk of nonnative plant invasions
from Science Daily
Seeds that float in the air can hitchhike in unusual places — like the air-intake grille of a refrigerated shipping container. A team of researchers from the USDA Forest Service, Arkansas State University, and other organizations recently conducted a study that involved vacuuming seeds from air-intake grilles over two seasons at the Port of Savannah, Georgia.
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