Atmospheric analysis

NIWA is today issuing some scientific information on the parasite Bonamia ostreae, recently discovered in Big Glory Bay, Stewart Island, and the risk it poses to the Bluff oyster fishery.

Impacts of hydro-electric activities on water quality and mahinga kai.

The atmosphere is comprised of layers based on temperature. These layers are the troposphere, stratosphere, mesosphere and thermosphere.

The climate of Otago is perhaps the most diverse of any region in New Zealand.

Tairua station

Longfin eels are the largest and longest-lived fish in New Zealand's freshwaters, and where they are present they are the top predator.

There are two methods to determine visual clarity in SHMAK; the clarity tube (or SHMAK tube) and the black disc method.

NIWA oceanographer Dr Cliff Law explains the impacts of ocean acidification on organisms that use carbonates to build their shells, and on bacteria.

Diverting water away from its natural channel for commercial or private use.

How does urbanisation increase sediments in waterways?

We provide an overview of New Zealand climate data for use in school projects.