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Maps are not neutral

A map is a selection and a representation. It decides what appears, what is omitted, what is named, where lines are drawn, which source is treated as authoritative and how uncertainty is shown. In Māori contexts those decisions can affect how people understand whenua, relationships, history and authority.

Every map contains decisions​

A GIS map answers questions such as:

  • Which place name is displayed?
  • Which boundary is used?
  • Are overlapping interests shown?
  • Which historic period is represented?
  • Which basemap becomes the visual background?
  • What does the legend call a feature?
  • Is uncertainty visible?
  • Does a generalised line look like a surveyed legal boundary?
  • What is missing because it was never collected?

Those choices may be reasonable. They are still choices.

Technical precision can create social authority​

Modern GIS can draw a line to centimetre precision even when the evidence behind it is approximate. The precision of the coordinate system can be mistaken for the certainty of the knowledge.

For example, an indicative cultural area drawn as a polygon may later be downloaded, copied into another system and treated as if it were a cadastral boundary. A map intended for discussion can become an official source through repeated reuse.

This is why metadata should include purpose, provenance, authority and status, not just geometry and projection.

Mapping has been used to administer and control​

The history of surveying in Aotearoa shows that maps were not simply records of an existing land system. Colonial surveys, Native Land Court plans, Crown purchasing maps and military mapping were part of systems that changed how land was administered and understood.

Te Ara's history of Māori and maps of colonisation documents Māori resistance to survey pegs and surveying, the role of surveying in Native Land Court title processes, and military mapping during nineteenth-century conflict.

That history does not mean every modern map repeats colonial practice. It does mean GIS practitioners should take representational authority seriously.

Mapping can also support rangatiratanga​

Māori have also used maps to preserve knowledge, support claims, record place names, demonstrate relationships with whenua and strengthen evidence.

Contemporary examples include Ngāi Tahu's Kā Huru Manu, Māori Maps and iwi-led data platforms. Historical Māori-created spatial records have retained value across generations.

Mapping can therefore be an instrument of power over Māori and an instrument through which Māori exercise authority.

A practical map-authority check​

Before publishing an important Māori GIS map, ask:

  1. What does this map claim to represent?
  2. Who approved that representation?
  3. What is left out?
  4. Are boundaries legal, cultural, indicative, statistical or operational?
  5. Are overlapping interests visible?
  6. Are traditional and official place names handled appropriately?
  7. Does visual precision overstate evidence?
  8. What might a future user mistakenly assume?
  9. Is the source and date visible?
  10. Is there a more appropriate public derivative?

Basemaps also matter​

A basemap can quietly determine which names, roads, boundaries and categories appear authoritative. If the basemap uses only one naming system, that choice frames every layer placed on top of it.

Where relevant, consider whether the map should include:

  • original Māori place names
  • dual names
  • source notes
  • culturally appropriate labels
  • less dominant administrative boundaries
  • contextual text explaining what a boundary does and does not mean

Sources​

Last reviewed: 16 August 2026

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