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Freshwater

New Thinking

New Science

Getting to grips with native freshwater eels

Our native longfin eels appear to be

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River study to measure health

Southland tangata whenua in partnership with Landcare Research are undertaking a two-and-a-half-year project to gather new information on the Mataura River system.

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Keeping pest plants at bay

NIWA's research into freshwater pest plants has been expanded.

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Christchurch rivers polluted with cancerous toxins

Christchurch rivers contain double the national safety limit of cancer-causing chemicals, a new NIWA study says.

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Reducing effects of wallowing

An AgResearch study has found that water quality was poor in unfenced and partially fenced streams where deer could wallow, but it improved after it flowed out of a 6ha area retired from grazing.

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New Value

Crown Research Institutes

  • AgResearch logo.
  • Plant and Food Research logo.
  • ESR logo. GNS Science logo.
  • Landcare Research - Manaaki Whenua logo.
  • NIWA logo.
  • SCION logo.

Crown Agent

  • Callaghan Innovation logo.

Subsidiaries, associates, joint ventures

  • farmax
  • Veritec
  • grasslanz
  • Enviro-Mark Solutions
  • EnCoate
  • EcoGene
  • Virtual Institute of Statistical Genetics
  • Biopolymer Network
  • Grasslands Innovation
  • Atlastech
  • National Land Resource Centre (NLRC)
  • BioPacific Ventures
  • Prevar
  • Clone International
  • VARNZ Ltd
  • PhytaGro, Inc