Do you think it can be harmful to have too much of a resource?
Think about us What resources do we use? Now think about aquatic
ecosystems
Slide 2
Learning outcomes You should be able to: Outline the processes
of eutrophication Evaluate the impacts of eutrophication. All of
you should be able to: Identify that the increase in nutrients
leads to a state of hypoxia Most of you should be able to: Outline
the process by which the increase in nutrients leads to the state
of hypoxia and the effects Some of you might be able to: Identify
the role of positive feedback in these processes
Slide 3
What is eutrophication? Lake with eutrophication Oligotrophic
lake
Slide 4
Normally limiting factors that limit the growth of
vegetation.
Slide 5
Add further detail to your diagrams using the information from
this video. Note the positive feedback that is occurring.
Slide 6
Use his information to complete your diagrams and make a note
of the impacts of eutrophication.
Slide 7
To do Create a cartoon strip of the different stages that occur
during eutrophication. Make it look as attractive as you can. Make
sure that you include the key terms that we have seen, like:
leaching, eutrophication, nitrogen, phosphates, etc.
