Please see the ERAMMP Report-78: Interim Report on the Development of Indicator-44 (Status of Biological Diversity in Wales) for further information on methodology.
Gweler ERAMMP Adroddiad-78: Adroddiad Interim ar Ddatblygu Dangosydd-44 (Statws Amrywiaeth Fiolegol yng Nghymru) i gael rhagor o wybodaeth ynghylch methodoleg.