New plant invader takes over Eastern forests

A pretty ornamental shrub from Japan found in many people's yards is sprouting wild in an increasing number of parks and forests across the United States.

Pacific oysters are dominant on Sweden's west coast, shows study

The Pacific oyster has taken over in the Swedish west coast county of Bohuslän. Researchers at the University of Gothenburg have found that the invasive species accounts for two-thirds of the biomass of all mussel and oyster ...

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