Slide 2:
Describe the pattern of human influence on the worlds oceans. Explain the pattern.
Slide 3:
What are the Sources of Pollution? Many but they include Dredging of harbours brings sunk heavy metals and petrochemicals to the surface Sewage Industrial waste and radioactive waste Farming waste – nitrates and phosphates Oil run off from roads (60m litres alone from USA)
Slide 4:
Describe the sources of and potential effects of different types of waste
What are the Effects of Oil?:
What are the Effects of Oil? At all levels of production,
transportation and use it can pollute oceans.
Slide 6:
Nuclear waste drums dumped onto greenpeace boat.
Dead Zones and Red Tides:
Dead Zones and Red Tides
Different causes of dead zones:
Different causes of dead zones Which is natural and which anthropogenic? http://youtu.be/yh5Ev8VEbZ0 - http://www.youtube.com/watch?v=UZgcQoXmu9Y