Stats NZ Our Land 2021 report backs evidence of Northland land use changes 12 May, 2021 05:00 PM 4 minutes to read Horticulture is growing in Northland. Photo / Donna Russell Northern Advocate (Whangarei) And a recently released report, Our Land 2021, backs that up. The report is a joint effort between Stats NZ and the Ministry for the Environment and collates data gathered by government organisations as part of environmental monitoring requirements. One of the statisticians to work on the huge project, Stats NZ insights analyst David Harris, said there were many challenges in drawing the data into a cohesive unit that could be better understood.