An Invasive Non-Native Plant Species Strategy for the River Coquet: Focusing on Japanese knotweed, Himalayan balsam, Giant hogweed, and American skunk cabbage
The River Coquet, winding through the scenic landscapes of Northumberland, is a valued ecological corridor, home to a range of native flora and fauna. However, like many rivers across the United Kingdom, its habitats are threatened by invasive non-native species (INNS). These species, having been introduced—either deliberately or accidentally—beyond their natural range, can have devastating impacts on biodiversity and riverbank stability, and even human safety.
This strategy document focuses on the control and management of four high-impact invasive species of riparian (riverbank) areas: Japanese knotweed (Fallopia japonica), Himalayan balsam (Impatiens glandulifera), Giant hogweed (Heracleum mantegazzianum), and American skunk cabbage (Lysichiton americanus). Other INNS are present in the River Coquet catchment. These may become a focus for CRAG in the future.
Please see the full strategy attached