such an environmental impact analysis shall be either carried out by or approved by the competent authority and may also refer to groups of holdings.
déanfaidh an t-údarás inniúil anailís den chineál sin ar an tionchar ar an gcomhshaol a chur i gcrích nó formheasfaidh sé í agus féadfar tagairt a dhéanamh inti do ghrúpaí gabháltas freisin.