How do invasive knotweeds degrade riparian habitat?
Knotweed replaces native vegetation, depletes available LWD, contributes to slump erosion of riverbanks, interrupts nutrient cycling and impacts soil health. For more information about these, please visit the Degradation page.

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1. How do invasive knotweeds degrade riparian habitat?
2. Where did knotweed come from?
3. How does it spread?