Low tides at Porirua Harbour expose broadmud and sand flats. We show the creatures and birds who share this space.

1

What make the trails on the sand?

2

What do stingray holes look like?

2

Why are there high and low tides?

3

Where do pied stilts nest?

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

What are tides?

 

Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the moon and sun and the rotation of the Earth.
 
These tidal forces have a major effect on the Harbour. Wikipedia has a comprehensive explanantion at http://en.wikipedia.org/wiki/Tide
Where can I find out more about eel grass?
The Guardians of Pauatahanui Inlet website has a good explanation at www.gopi.org.nz/eel-grass
 
NIWA has a study looking at sea grass (eel grass) in various areas of the country at http://www.niwa.co.nz/publications/wa/vol15-no1-march-2007/comparing-seagrass meadows-across-new-zealand
Where can I find more about the creatures of the Inter-Tidal zone?

 

TeAra encyclopedia has some information at http://www.teara.govt.nz/en/estuaries/4
 
Landcare has a great resource showing all the common animals with descriptions and diagrams at http://www.landcare.org.nz/files/file/368/turning-the-tide-part-10.pdf
How many species of wading birds are there?

 

Te Ara encyclopedia has a general description of the 60 species observed in New Zealand at http://www.teara.govt.nz/en/wading-birds/1
What the contact details for the Kapiti Kiwi Conservation Club?

 

The Kiwi Conservation Club is part of Forest and Bird. The website with contact details is www.kcc.org.nz