Marine trophic pyramid

Food webs throughout the world all have the ...

Simple ecosystem diagram

An ecosystem is a community of living things ...

Why is energy important?

Peter Hall from Scion explains why we need ...

Oil formation

This animated video demonstrates the ...

Ocean temperature layers

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

Earth's structural layers

The currently accepted theory of the Earth’s ...

Why are UV levels high in New ...

Dr Richard McKenzie, Senior Research ...

Water in its three states of matter

Water behaves differently to most other ...

Map of ocean gyres

Each of the 5 main oceans has an overall ...

Ocean acidification

Our oceans are absorbing about one-third of ...

The effect of sediment on water ...

ESR scientist Dr Chris Nokes discusses the ...

The bottom of the food chain

NIWA scientist David Bowden explains the ...

Non-renewable resources

Adam Vonk explains that oil is a ...

Earth’s water distribution

A number of human activities can impact on ...

Water molecule

Water molecules contain two hydrogen atoms ...

Ocean salinity, temperature and ...

Salinity and temperature of the ocean rise or ...

Relying on dissolved gases

Marine plants use dissolved carbon dioxide ...

Globe

A globe taken from images produced by NASA ...

Nitrification inhibitors

Dr Ross Monaghan from AgResearch at Invermay ...

Soil formation

Professor Louis Schipper from Waikato ...

The food web in the Ross Sea

This diagram shows how the food web in the ...

Temperature inversion

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

Reflection of solar radiation by ...

The greenhouse effect is the natural warming ...

Seals are consumers

An ecosystem must contain producers ...

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