Broad Haven Volunteers Secure ‘National Asset’ Status for Local Nature Reserve in Welsh First. BROAD HAVEN, PEMBROKESHIRE.  A small pocket of Pembrokeshire woodland and former open cast coal mine has officially become a national pioneer for biodiversity. The Slash Pond Community Nature Reserve has been named as one of the first sites in Wales to achieve ‘Naturfa’ status, making it the first community-managed site in the country to receive this prestigious recognition. The status, confirmed by Deputy First Minister Huw Irranca-Davies, recognizes