John Zeldis
Squat Lobsters: seeing red in Otago
NIWA's squat lobster specialist Dr John Zeldis explains to Kathryn Ryan what causes the red swarms seen recently in Broad Bay and Edwards Bay near Portobello on the Otago Peninsula. Audio
Warming seas and the impact on fish stocks
One of the country's biggest fisheries companies, Sanford has closed its Christchurch mussel processing factory, blaming rising ocean temperatures and variable weather. Matthew Dunn, a Victoria… Audio
Our Changing World - Heathcote Avon Estuary
For many years the Heathcote-Avon estuary was the dumping ground for Christchurch's sewage. Then, in 2010, the wastewater was diverted well out to sea, via a long pipe. David Schiel from the… Audio
Earthquake Impacts on the Heathcote-Avon Estuary
The 2011 Christchurch earthquakes and the sewage outfall diversion have had profound impacts on the Heathcote-Avon Estuary Audio
Earthquake Impacts on the Heathcote-Avon Estuary
The 2011 Christchurch earthquakes and the sewage outfall diversion have had profound impacts on the Heathcote-Avon Estuary
AudioBroken River revisited
A year after the 6.3 magnitude earthquake in Christchurch, Simon Morton revisits the Avon River to see how life's progressing along it and in it. Audio
Heathcote Estuary
'After the outfall' is an inter-disciplinary study looking at the effect of diverting wastewater out of the Heathcote Estuary Audio
Environment - Christchurch's Heathcote Estuary
Christchurch's Heathcote Estuary has long been a dumping ground for the city's sewage and wastewater. But that's about to change this month when the long awaited 3 kilometre long ocean outfall finally… Audio
