The survey is conducted on behalf of the Welsh Government by the Institute of Biological, Environmental and Rural Sciences (IBERS) at Aberystwyth University.
Cynhelir yr arolwg ar ran Llywodraeth Cymru gan Sefydliad y Gwyddorau Biolegol, Amgylcheddol a Gwledig (IBERS) ym Mhrifysgol Aberystwyth.