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Hakaru River

The Hakaru River originates in native and pine forest in the Brynderwyn Hills and flows south through farmland until it reaches the Topuni River. The Topuni River feeds into an arm of the Kaipara Harbour. The Hakaru River catchment is approximately 99 square km and 29 km long. The underlying geology in the catchment is a mixture of volcanic acidic and hard and soft sedimentary rock. The sampling site is located at the bottom of the catchment, above the saline influence.

The sampling site is situated on private land and drains predominantly pastoral land but there is a small amount of native and exotic forestry in the upper catchment.

Sites 1

Monitored sites in the Hakaru River catchment

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