COVID-19 (Coronavirus)

Due to the impact of Covid-19 (Coronavirus), the Pembrokeshire Coast National Park Authority has closed its headquarters, visitor attractions (Carew Castle, Castell Henllys and Oriel y Parc), its car parks and sections of the Pembrokeshire Coast Path until further notice. All meetings and events are cancelled until further notice. If you have any queries please call 01646 624800 or email

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Home » Living In » Sustainable Development Fund » Projects


The National Park Authority administers Sustainable Development Fund grants in Pembrokeshire. To read summary details of the projects supported by the fund, choose a project title from the list below.


A Stitch in Time

This project is a pilot, river catchment-based project, to control invasive non-native plant species in the Gwaun Valley. A project coordinator will be employed for fifteen months on a part-time basis in order to involve organisations, landowners and communities in surveying the upper area of the Gwaun Valley catchment for invasive non-native plant species and then using species and location appropriate methods and techniques to control Japanese Knotweed, Himalayan Balsam and Rhododendron. These three key invasive species have been identified by the Pembrokeshire Biodiversity Partnership as priority species for control.

The intended outcomes of the project are:

1) A locally-adapted, catchment-based, invasive species control model, applicable in the National Park and wider Pembrokeshire, in even the most environmentally-sensitive areas.

2) Mapped knowledge of and reduction in extent of invasive species in the Gwaun valley catchment

3) Increased agency and individual/community awareness of and capacity to manage key invasive plant species following the project.

4) Online documentation of the project as a reference resource, to include approaches to engagement with communities and partner organisations, invasive species survey, mapping, identification of transmission routes, treatment and lessons learned. 

Project Total Cost: £51,626.00

Grant Awarded: £25,318.00