2023 Invasive species survey - Upper Tawe catchment

Tender description

The purpose of this project is to aid in the restoration of the upper river Tawe catchment through survey of invasive non-native plants (INNS). We expect the main species to search for to be: Japanese knotweed and its hybrid varieties, Himalayan balsam, and Giant Hogweed. Other species such as Rhododendron ponticum, Cherry laurel, Buddleia, Montbretia, Bamboo, Cotoneaster, Snowberry and American Skunk-cabbage, should be noted. This survey data will then be used to seek funding for future control. Aims of this contract 1. To identify landowners along the upper River Tawe (including the Afon Giedd and Nant Llech tributaries) from Blaenau Farm (Glyntawe) to Abercrave Bridge where it leaves the National Park boundary. 2. To obtain permission for and to undertake invasive species surveys along the catchment within the National Park 3. To present these findings digitally through GIS layers and a report to the National Park Authority and the Local Records Centre - Biodiversity Information Service (BIS)