Paratowyd yr adroddiad hwn gan eftec ac ADAS, fel rhan o raglen ERAMMP a arweinir gan Ganolfan Ecoleg a Hydroleg y DU (UKCEH), i asesu cynnwys gwerthoedd cymdeithasol o gyfalaf naturiol mewn taliadau SFS. Ei nod yw darparu sylfaen dystiolaeth a chyngor polisi i Lywodraeth Cymru er mwyn cefnogi cynnwys gwerthoedd cymdeithasol o gyfalaf naturiol i mewn i bolisi amaethyddol. Mae'n edrych ar amrywiad gofodol ac amserol amcangyfrifedig gwerth cymdeithasol nwyddau cyhoeddus a ddarperir gan gyfalaf naturiol (h.y. manteision o'r amgylchedd naturiol heb ei ddal gan farchnadoedd) ledled Cymru.
Mae'r sylfaen dystiolaeth yn dangos bod yr amgylchedd naturiol yn rhoi gwerth cymdeithasol sylweddol i bobl yng Nghymru. Fodd bynnag, mae amrywiad sylweddol mewn gwerthoedd cymdeithasol o gyfalaf naturiol ar draws rhanbarthau Cymru. Lle gellir datgysylltu'r dystiolaeth i raddfeydd sy'n addas ar gyfer cyflawni amcanion polisi cyhoeddus (e.e. dalgylchoedd, awdurdodau lleol), gall manteision o wahanol leoliadau amrywio mwy na gorchymyn maint (hyd at luosog o 50). Mae hyn yn golygu, ar gyfer math penodol o fferm a phroffil cost cysylltiedig, y bydd camau gweithredu SFS yn cyflawni gwerth sylweddol wahanol am arian mewn gwahanol rannau o Gymru.
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This report has been prepared by eftec and ADAS, as part of the UK Centre for Ecology & Hydrology (UKCEH)-led ERAMMP programme, to assess the inclusion of social values from natural capital in SFS payments. It aims to provide an evidence base and policy advice for the Welsh Government to support inclusion of social values from natural capital into agricultural policy. It looks at the spatial and temporal variation of estimated social value of public goods provided by natural capital (i.e., benefits from the natural environment not captured by markets) across Wales.
The evidence base demonstrates that the natural environment provides significant social value to people in Wales. However, there is significant variation in social values from natural capital across Welsh regions. Where the evidence can be disaggregated to scales suitable for delivering public policy objectives (e.g., catchments, local authorities), benefits from different locations can vary by more than an order of magnitude (up to a multiple of 50). This means, for a given farm type and associated cost profile, SFS actions will achieve significantly different value for money in different parts of Wales.