Freshwater
New Thinking
New Science
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.
Keeping pest plants at bay
NIWA's research into freshwater pest plants has been expanded.
Christchurch rivers polluted with cancerous toxins
Christchurch rivers contain double the national safety limit of cancer-causing chemicals, a new NIWA study says.
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.
