Role of starfish in the ecosystem

In this video Dr Miles Lamare, from the ...

Marine trophic pyramid

Food webs throughout the world all have the ...

Simple ecosystem diagram

An ecosystem is a community of living things ...

The phosphorus cycle

Phosphorus moves in a cycle through rocks ...

Evaporation and transpiration

Dave Campbell explains that evaporation ...

Building an aquifer model

In this video, educator Angela Schipper ...

Water and weather

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

Understanding food webs

In this video, Associate Professor Stephen ...

Dandelion seeds

Dandelion seeds float away in the wind. To ...

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 ...

What’s an ecologist?

Professor Stephen Wing, from the University ...

Water in its three states of matter

Water behaves differently to most other ...

How sound travels

Use this animated video to see three things ...

Nutrient leaching

Dr Ross Monaghan from AgResearch at Invermay ...

Tuna sandwich

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

Ocean acidification

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

Phosphorus availability to plants

A lot of the phosphorus in soils is ...

What is flocculation?

ESR scientist Dr Chris Nokes describes how ...

The effect of sediment on water ...

ESR scientist Dr Chris Nokes discusses the ...

Seaweed

Seaweed is a type of algae and is normally ...

Sugar dissolving in water

Polar water molecules are attracted to the ...

Earth’s water distribution

A number of human activities can impact on ...

Load more