The West Auckland iwi that declared a rahui over the Waitakere Ranges in a bid to curb the spread of kauri dieback disease say the move appears to be keeping many visitors away.
In a Saturday morning ceremony attended by around 200 people, members of Te Kawerau a Maki formally announced the rahui, or exclusion zone, across the entire 16,000ha park.
It was seen as a last resort after the latest monitoring report showed kauri dieback infection had jumped from 8 per cent to 19 per cent in just five years and was concentrated around where people walk.
The iwi's executive manager, Edward Ashby, acknowledged there was no statutory powers to enforce the rahui, but he hoped people would respect it all the same.
"The tikanga back in the old days was that when mana whenua declared a rahui, they were essentially laying down a kind of tapu, and you'd be hard pressed to find people who would enter those areas.