Ocean temperature layers

The ocean has 3 main temperature layers. The ...

Marine food web

Marine food web. Note that the arrows ...

Nutrient leaching

Dr Ross Monaghan from AgResearch at Invermay ...

Surfactants

A surfactant molecule has a hydrophilic ...

What is flocculation?

ESR scientist Dr Chris Nokes describes how ...

The effect of sediment on water ...

ESR scientist Dr Chris Nokes discusses the ...

Denitrification process

Dr Selai Letica explains the process of ...

How can water spread disease?

ESR scientist Dr Chris Nokes describes why it ...

Booms and skimmers

The oil in this spill is contained by a boom ...

Mouse bioassays

Paul McNabb of the Cawthron Institute in ...

Marine trophic pyramid

Food webs throughout the world all have the ...

Nitrification inhibitors

Dr Ross Monaghan from AgResearch at Invermay ...

Temperature inversion

Dr Peyman Zawar-Reza, Geography Department at ...

Sea surface temperature

This image clearly shows warmer surface water ...

Oil slick from the Rena

Oil slick from the Rena when it was grounded ...

Reducing nitrous oxide

Dr Selai Letica explains her work in managing ...

Kaitiakitanga

NIWA's Maori development officer, Apanui ...

Essential needs for plants

Plants need water, carbon dioxide and ...

Managing the nutrient problem

Dr Ross Monaghan from AgResearch at Invermay ...

Eutrophication

Eutrophication occurs when nutrients are ...

Pulsed field gel electrophoresis

ESR Scientist Dr Brent Gilpin explains how ...

Katipō

The katipō (Latrodectus katipo) is one of two ...

Antarctic phytoplankton

Antarctic phytoplankton, Fragilaria ...

Measuring electrical impulses

Dr Ravi Gooneratne, of Lincoln University ...

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