Treftadaeth Coetiroedd 25 June 2020 Papurau Ymchwil AOD Brown, N., van den Bosch, F., Parnell, S. and Denman, S. (2017) Integrating regulatory surveys and public reports to map outbreaks of forest diseases: Acute Oak Decline in England and Wales Treftadaeth Coetiroedd 25 June 2020 Papurau Ymchwil AOD Download paper here Royal Society Proceedings B 284: https://doi.org/10.1098/rspb.2017.0547