Many creatures, including black swans and cockles,  play their part in the complex ecology of Porirua Harbour.

1

What effect do the swans have on the eel grass (zostra) beds?

2

How often is the cockle count done?

3

Do swans live on the harbour all year round?

4

What is a moult?

5

When do swans feed?

Tb1_jan_recreation
January

Recreation

Tb2_feb_fish
February

Fishing

Tb3_mar_shages
March

Shags

Tb4_april_pollution
April

Pollution

Tb5_may_tides
May

Tides

Tb6_june
June

Urban Catchment

Tb7_july
July

Pauatahanui Reserve

Tb_aug_sediment
August

Sediment

Tb_sept
September

Creatures Great & Small

Tb_oct1
October

The Rural Catchment

Tb11_nov
November

Industrial Catchment

Tb
December

The Future

Episode information

Are there any maps of how the area would have looked as a river valley?