monitro niferoedd, dosbarthiad ac ymddygiad GWfG ar y Dyfi ac yn Ynys Mônmonitro poblogaeth, oedran, strwythur a chyflwrmonitro symudiadau GWfG ar draws eu hardal (olhrain â lloeren)asesu cyflwr y tir mewn ardaloedd sydd wedi'u meddiannu gan GWfG sydd yma dros y gaeaf.
monitoring of GWfG numbers, distribution and behaviour on the Dyfi and Angleseymonitoring population age structure and conditionmonitoring movements of GWfG across their range (by satellite tracking)assessment of field condition in areas occupied by overwintering GWfG.