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Physiographics of Southland

Why does water quality vary across Southland? How can we manage our land better to protect our water?

In a nutshell, physiographic zones are areas with similar characteristics that affect water quality. Each zone is different in the way farm contaminants build up and move through the soil, areas of groundwater, and into our streams and rivers.

Why are they important?

Physiographic zones mean we can offer you targeted advice and management strategies to keep nutrients on your farm and out of waterways.

Getting Started

The Physiographics of Southland is a large and complex project. Find out where to start.

Introduction to Physiographics

Check out our physiographic zone factsheets. This is a good place to start if you want to find out more about physiographic zones, how contaminants move, and the importance of variants.

Physiographics and farm management

Here you’ll find technical information relating to the practical application of physiographic zones at the farm level.

Reports

These reports make up the Physiographics of Southland project. They detail the substantial scientific research, validation work, and mitigation and management options that underpin this project.