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The Mauri Model

The mauri model is a decision making framework that combines a stakeholder assessment of worldviews, with an impact assessment of indicators to determine sustainability and trends over time. This tool uses the concept of mauri as the measure of sustainability, in comparison to the conventional monetary based assessment. The use of mauri as the measure of sustainability allows for a more accurate representation of the impacts of certain actions/options. These may not always be best represented or included in monetary based assessments of sustainability, but are nonetheless important to the decision making process.

The model measures mauri in four dimensions – environmental wellbeing (taiao mauri), cultural wellbeing (hapu mauri), social wellbeing (community mauri) and economic wellbeing (whanau mauri). Indicators are then chosen that represent the impacts upon mauri for each dimension. The impact upon indicators are measured using the mauriometer, a very intuitive system of sustainability determination which identifies the state of mauri and trends  – giving the user the ability to assess several different potential options/scenarios and assess the relative outcomes and their impacts over time.

The mauri model is easily customisable to accurately model most situations, and simple enough to be understood and completed by the general public. 


Taiao Exhibition at Te Papa Tongarewa

The mauri-o-meter is incorporated interactive exhibits at Te Papa Tongarewa in relation to fresh water.

Mauri is included in entry exhibit that features a carved takarangi (dual spiral) with hand sensors that increases the mauri of an alternating image (Ocean or Forest) depending on how many hands are laid onto the takarangi. The audience are invited to enhance the mauri life force represented in the image. The theme of mauri continues into understanding the present with reference to the personification in law of Whanganui and discussion of the mauri of waterways.

Mauri is explored in the 'Mauri Fridge'. The fresh water samples are contained in labelled plastic bottles in a glass doored fridge. The mauri-o-meter is explained and displayed on each sample indicating the mauri of the water. The measures of mauri have been calculated using a set of indicators and and the mauri dimensions are equally weighted for the score given. The audience is asked to guess the mauri of each sample based on appearance.

Selected Publications

For a full list of publication, visit Dr. Kēpa Morgan's Google Scholar Page

Water Management

Restoring Mauri during the Rena Recovery

Cultural Indicator Use

Student Projects


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