New South Wales contains 549 separate Protected Areas with a total land area of 4,953,271 hectares (6.18% of the state’s area). 150 of these are National parks, totalling 4,172,308 hectares (5.21% of the state’s area).
... (http://www.constitutional-law.net/general.html) by Professor Joseph E. Magnet, University of Ottawa
Bibliography
Hogg, P. W., Constitutional law of Canada ...