the need to sustain a certain level of specific production due to the lack of alternatives, and to reduce the risk of production abandonment with the resulting social and/or environmental problems;
an gá le leibhéal áirithe den táirgeadh sonrach a chothú i ngeall ar easpa roghanna malartacha agus an baol a laghdú go n-éireofaí as táirgeadh agus go mbeadh fadhbanna sóisialta agus/nó comhshaoil ann dá thoradh sin;