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New Zealand Rivers Geography

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New Zealand Rivers Geography

Read the field notes and data table, then use evidence to solve the questions. Write in full sentences where asked. River lengths and features are approximate; river names may have Māori names as well as English names.

Field notes: rivers shape places

A river’s source is where it begins; its mouth is where it flows into a lake, sea or another river. New Zealand’s steep, mountainous landscapes mean many rivers travel from high country to the coast over relatively short distances. The Waikato River, in the North Island, flows out of Lake Taupō and north to the Tasman Sea. It is New Zealand’s longest river and is important for hydroelectric power, water supply and recreation. In the South Island, the Clutha/Mata-Au flows from the Southern Alps region towards the Pacific Ocean. Its catchment includes lakes and areas of snow and ice, and its water is used for hydroelectricity and irrigation. The Whanganui River travels through the central North Island to the Tasman Sea. For Whanganui iwi, the river is an ancestor and a living whole, not merely a resource. A 2017 law recognised the Whanganui River as a legal person, represented by appointed guardians. Rivers also support habitats, mahinga kai (food-gathering places), tourism and communities. However, sediment, excess nutrients and other pollution can damage freshwater habitats. Heavy rain can cause floods, while drought and warming temperatures can put pressure on river ecosystems and water users. People can help by restoring riverbank plants, reducing pollution and making careful decisions about water use.

River

Island and direction

Notable connection

Waikato

North Island; flows north

Flows out of Lake Taupō; reaches Tasman Sea

Clutha/Mata-Au

South Island; flows generally southeast

Hydroelectricity and irrigation

Whanganui

North Island; flows towards the west coast

River recognised in law as a legal person

Read the evidence

1.Which river is described as New Zealand’s longest, and what is its source lake?

2.Match each river to the island where it is located.

Waikato
Clutha/Mata-Au
Whanganui

North Island
North Island
South Island

3.Based on the field data, which river flows generally southeast, and which island is it on?

4.What does the word “mouth” mean in river geography?

The place where a river begins
The place where a river enters a lake, sea or another river
The deepest part of a river
A bend where two streams meet

5.Give two ways rivers contribute to people’s lives or livelihoods in the field notes. Use two different examples.

People, place and change

6.In your own words, explain what it means that the Whanganui River is recognised in law as a legal person. Include the role of guardians.

7.True or false: The field notes describe the Whanganui River as an ancestor and a living whole for Whanganui iwi.

TrueFalse

8.Complete the sentence using evidence from the field notes: Sediment and excess can damage freshwater habitats.

9.A community notices muddy water after heavy rain. Suggest one possible reason for the muddy water and one action that could help protect river habitats over time.

10.A region experiences longer dry spells and warmer temperatures. Describe one possible effect on a river ecosystem and one possible effect on people who use river water.

11.A council has limited funding for a river-care project. Choose one action from the field notes—restoring riverbank plants, reducing pollution, or managing water use—and explain how it could benefit both the river and the community.