Staten Landt appeared on Tasman 's first maps of New Zealand .
This was changed by Dutch cartographers to New Zealand   in 1645 , referring to the Dutch province of Zeeland , after Hendrik Brouwer proved the South American land to be an island ( 1643 ) .
Staten Landt appeared on Tasman 's first maps of New Zealand , but this was changed by Dutch cartographers to Nova Zelandia in 1645 , referring to the Dutch province of Zeeland , after Hendrik Brouwer proved the South American land to be an island ( 1643 ) .