Episode
Description
Extra Video

JANUARY

Recreation

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People enjoy Porirua Harbour for all kinds of reasons. In this episode a range of people share with us their love of the harbour. But will they be able to enjoy these activities into the future?

What is the spiritual significance of waka ama

What are the rules for motorboats on the harbour?

What are the sewage runoff issues for Porirua City Council?

FEBRUARY

Fishing

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Fishing is our window into the underwater world of Porirua Harbour.

Tangata Whenua share their stories of the abundant resource that previously sustained their people.

Recreational fishermen now find their catches are limited too and scientists explore the local ecosystem.

How did Ngati Toa share the bounty of the harbour with other Iwi?

How do Rig locate food?

What are the feeding habits of Rig in the harbour?

How dangerous are Stingray?

MARCH

Shags

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Many birds call Porirua Harbour home.

When the striking pied shags arrive and take up residence in trees next to the estuary, neighbours are forced to consider how close they want the wildlife.

What sort of trees do Shags nest in?

What else do we know about Shags?

APRIL

Pollution

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Storm water pollutes Porirua Harbour. More than 70 stormwater outlets from residential, commercial and industrial areas drain into Porirua Harbour.

Storm water is rainfall which runs off hard surfaces; roads, pavements, carparks and roofs and eventually into the harbour.

Scientists regularly monitor the harbour for pollutants. Historically the harbour was also polluted with sewage from the old Porirua Hospital.

Why are the mudflats special?

Why are estuaries important?

How does mud affect cockles?

What can I do to limit harbour pollution?

MAY

Tides

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

What makes the trails on the sand?

Where do Pied Stilts nest?

Why are there high and low tides?

JUNE

Urban Catchment

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The streams that feed into Porirua Harbour flow through many landscapes.

Dr Mike Joy, outspoken fresh water scientist shows us some of the creatures who live in urban streams and he talks about the ways we can protect them.

What are whitebait?

What are the threats to Whitebait?

JULY

Pauatahanui Reserve

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In pre-human times the streams flowing into Porirua Harbour meandered through extensive swampy marshlands. These rich ecosystems helped maintain the diversity of life in the harbour. Today few original swamps remain but volunteers have successfully recreated a varied marshland, the Pauatahanui Reserve, in the eastern corner of the Harbour.

Vision for the reserve.

What unique plants are in the reserve?

How Pied Stilts are encouraged in the reserve?

How was Pauatahanui Inlet formed?

AUGUST

Sediment

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Sediment run-off filling up our waterways is the biggest threat to Porirua harbour. What is it? Where does it come from and how can we fix it?

How much sediment comes into the harbour from urban development?

How did Porirua habour form?

What chemical processes occur within sediment run-off?

What natural processes protect Porirua harbour?

SEPTEMBER

Creatures Great & Small

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Many creatures, including Black Swans and Cockles, play their part in the complex ecology of Porirua Harbour.

When do Swans feed?

What is moult?

How often is the cockle count done?

Do Swans live on the harbour all year round?

OCTOBER

Rural Catchment

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Water erodes the steep hill surfaces of much of the catchment and scours the banks of the many streams that flow into the Harbour.

How does algae support life of the stream?

What can rural land owners do to improve the quality of their streams?

How do wetlands protect the harbour?

What does sediment consist of?

NOVEMBER

Industrial Catchment

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Porirua Harbour industrial catchment extends south from the Onepoto arm to Johnsonville. Porirua stream flows through industrial, commercial and residential areas.

What kind of incidents pollute the Porirua stream?

What are the observed effects of chemicals on fresh water fish?

How would Porirua CBD have looked in 1940?

Is there any original forest left?

DECEMBER

The Future

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In Episode 12 we look back at some of the ideas discussed in earlier months while also looking at the future.

What is the Porirua Harbour & Catchment, Strategy and Action Plan?

What can members of the public do to help?

How do vehicles pollute the harbour?

What can residents do to protect the harbour?