NIWA is sponsoring the 27th annual fertiliser and lime research centre workshop, held in Palmerston North on the 18 - 20 February.
The workshops are a means for information transfer amongst industry, scence, policy and regulatory personnel concerned with primary production in New Zealand.
NIWA is sponsoring Aquatic Science at the interface, a joint conference for the:
The conference is being held in Hamilton, for more information see the Aquatic science at the interface website
After 150 years of research, one might assume that we have a fairly complete picture of the invertebrate communities in New Zealand streams and rivers. However new research suggests that high altitude streams have distinctly different, poorly-known, biological communities.
River flows - April to June 2012
The three month picture (on the right) shows the extreme dryness across most of the country, and the after effect of a wet April over East Cape and Hawkes Bay.
River temperatures April to June
Autumn river water temperatures were mostly in the range 8 to 16oC and tended to be slightly higher in the north and at lower altitude.