Riparian zone management. Strategy for the Auckland region

Auckland Regional Council
Auckland Regional Council
Publication date:

Extract from the Introduction:

The Auckland Region has an extensive coastline, three large harbours, numerous estuaries and many lakes, wetlands, rivers and streams. Over the past several hundred years land cover and land use has changed from native bush to pastoral farming and more recently, urban land use.

The pressures of land use change from rural and urban development have contributed to the erosion of catchment soils, changes in stream morphology, increased flooding, impacts on water quality and loss of riparian (stream bank and lakeside) vegetation and wetlands. The result has been a major loss of terrestrial and aquatic habitat and reduced biological diversity within catchments and waterways. ...

Growth and land use change

Regional characteristics documented by the Growth Forum of particular significance to riparian zone management are that (Growth Forum Regional Facts, March 1998):

  • there is about 10,000 km of perennial stream length in the Auckland region (ARC, 1999)
  • land use change over the past several hundred years has severely affected riparian vegetation
  • it is estimated that only 19% of the total length of large streams and rivers in the Auckland region now flows through native forest or forest/scrub
  • less than 10% of the Region's original wetlands remain
  • less than 30% of our native forest remains, and most of this is in the Hunua and Waitakere ranges
  • 56 native animals in the Region are threatened species

This technical publication includes:

Riparian zone management. Guideline

Riparian zone management. Planting guide

Auckland Regional Council technical publication TP148

Last updated: 2018-09-06