One of our tallest tree in New Zealand ( named Kauri ) is dying due to the cleaning stations and there products is making the kauri tree die slowly, Mr Jensen said they're "very concerned" the disease could enter the park. mp Jenny Marcroft one of New Zealand First's conservation spokesperson, said kauri dieback has been lacking over decade. Mr Jensen said that the cleaning stations are the park's number one defence against kauri dieback. Forest & Bird and the Bushmen recently funded two stations at the two main entrances to the park.