South Australia contains 324 separate Protected Areas with a total land area of 21,630,995 hectares(21.97% of the state’s area). 18 of these are National parks, totalling 4,337,430 hectares (4.41% of the state’s area).
... suffixes, infixes, and reduplication. Also extremely common is vowel gradation; every root has (not necessarily all distinct) zero, guna[?], and vrdhii[?] grades. ...