Marine trophic pyramid

Food webs throughout the world all have the ...

Simple ecosystem diagram

An ecosystem is a community of living things ...

Evaporation and transpiration

Dave Campbell explains that evaporation ...

Tectonic plates animation

This animated video shows the movement of the ...

Water and weather

In this video, Dave Campbell and Keith Hunter ...

Understanding food webs

In this video, Associate Professor Stephen ...

Mussels are filter feeders

Mussels (including green-lipped mussels) are ...

Map of ocean salinity

Much of the open ocean has a salinity between ...

Ocean temperature layers

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

Why salinity and temperature are ...

Dr Phil Sutton of NIWA explains why measuring ...

Map of ocean gyres

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

Wavelengths of different wave types

Every wave has a specific wavelength, but ...

Tuna sandwich

On average, only 10% of the energy from an ...

Surfactants

A surfactant molecule has a hydrophilic ...

Crab life cycle

The juvenile form of a crab is called a zoea ...

Ocean salinity, temperature and ...

Salinity and temperature of the ocean rise or ...

Mussel life cycle

The life cycle of the New Zealand ...

Relying on dissolved gases

Marine plants use dissolved carbon dioxide ...

Booms and skimmers

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

Earth’s water distribution

A number of human activities can impact on ...

How mussels spawn

Like many marine animals, green-lipped ...

Earth’s system

In this video, 4 New Zealand scientists – ...

Wave length, height and frequency

A wave can be described by its length, height ...

Phytoplankton bloom

This image shows a large phytoplankton bloom ...

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