Japanese knotweed: why is it so damaging and can it be stopped?
Science Weekly
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The Impact of Japanese Knotweed on the Environment
Dr Sophie Hawking is an ecologist and botanist at Swansea University. She has a special interest in invasive plants, including Japanese knotweed. The plant's rhizomes are essentially very well adapted stems that grow under the ground. They act as a battery - providing energy for the plant to keep growing year on year.
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