Sediment filling up the harbour is the biggest threat to Porirua harbour. What is it? Where does it come from and how can we fix it?
How did Porirua habour form?
How does Porirua harbour differ from other estuaries?
What effect will climate change have on Porirua harbour?
What happens to Porirua harbour when it rains heavily?
How do we learn about the processes of sedimentation in Porirua harbour?
What are the different features of the Porirua harbour?
What natural processes protect Porirua harbour?
What chemical processes occur within sediment run-off?
How much sediment comes into the harbour from urban development?
Creatures Great & Small
The Rural Catchment