Atmospheric analysis

Very shallow basins (several metres depth). They are often elongated and run parallel to the shore.

Formal identification keys are the scientifically accepted way to identify species. These will allow the identification of species which are unclear when using quick guides.

Compared to other countries, New Zealand has a sparse freshwater fish fauna of just over fifty species. But it is unique and comprises at least thirty-five native species of which thirty-one are found only in New Zealand.

  

These are some recent publications related to the causes and effects of water quality degradation programme.

These are some publications related to the Environmental flows programme.

Publications related to the Hydrological observations and predictions programme.

NIWA has developed a rapid, desktop model which assesses the potential impact of introducing new fish species to New Zealand. The model is customised to New Zealand's unique environment and endemic fish.