It covers biosecurity measures which can be taken to lower the risk of introducing INNS, with the objective of keeping INNS mammalian predators off seabird islands where they are not already present.
Mae'n ymdrin â mesurau bioddiogelwch y gellir eu cymryd i leihau'r risg o gyflwyno INNS, gyda'r nod o gadw ysglyfaethwyr mamaliaid INNS oddi ar ynysoedd adar môr lle nad ydynt eisoes yn bresennol.