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Geography & Environment

Aotearoa's landscapes, regions and natural wonders

Study Guide43 practice questions

1Physical Geography

Two main islands:

- North Island (Te Ika-a-Māui — "the fish of Māui")

- South Island (Te Waipounamu — "the waters of greenstone")

Total area: approximately 268,000 km² — similar in size to the United Kingdom.

Highest peak: Aoraki/Mount Cook at 3,724 metres in the Southern Alps.

Longest river: The Waikato River (425 km), flowing from Lake Taupo to the Tasman Sea.

Largest lake: Lake Taupo — formed by a volcanic eruption about 1,800 years ago.

Location: In the South Pacific Ocean, about 1,500 km southeast of Australia across the Tasman Sea.

Tectonic plates: NZ sits on the boundary of the Pacific Plate and Australian Plate, making it seismically active with volcanoes, earthquakes and geothermal features.

2Cities and Regions

Capital: Wellington — became the capital in 1865, replacing Auckland. Parliament and government ministries are based here.

Largest city: Auckland — home to approximately 1.7 million people, about one-third of the total population.

Garden City: Christchurch — largest city in the South Island, known for its parks and gardens. Heavily damaged by a February 2011 earthquake.

Edinburgh of the South: Dunedin — known for its Scottish heritage.

Cook Strait (Raukawa Moana): Separates the North and South Islands.

Geothermal: Rotorua is famous for geysers, mud pools and Māori culture.

3Population and Environment

Population: Approximately 5 million people.

New Zealand is known for:

- Spectacular natural landscapes (fjords, glaciers, volcanic plateaus, beaches)

- Unique wildlife found nowhere else (kiwi, tuatara, kakapo)

- High environmental standards and "100% Pure" branding

- Fiordland National Park and Milford Sound in the South Island

- Active volcanoes: Ruapehu, Taranaki, White Island (Whakaari)

Climate: Temperate, with four distinct seasons. The South Island tends to be cooler; Northland and Auckland are subtropical.

4Flora, Fauna and Conservation

Unique wildlife: New Zealand's long geographic isolation (it separated from Gondwana around 80 million years ago) produced extraordinary endemic wildlife found nowhere else on Earth:

- Kiwi — flightless, nocturnal national bird; five species, all threatened

- Kākāpō — critically endangered flightless parrot; world's heaviest parrot, nocturnal

- Tuatara — a reptile unchanged for 200 million years; the sole survivor of an ancient order (Rhynchocephalia)

- Kea — the world's only alpine parrot, known for intelligence and curiosity

- Wētā — giant insects, including the wētāpunga (tree wētā) and the critically endangered Mahoenui giant wētā

- Hector's dolphin — one of the world's smallest and rarest dolphins, found only in NZ coastal waters

Department of Conservation (DOC): The government agency responsible for managing New Zealand's natural and historic heritage — including national parks, nature reserves, marine reserves, and conservation of threatened species.

Predator-Free 2050: New Zealand's ambitious national goal to eradicate its three most damaging introduced predators — rats, stoats and possums — by 2050. These introduced mammals devastate native bird and lizard populations.

Protected areas: New Zealand has 13 National Parks, including Fiordland (the largest), Tongariro (the world's fourth oldest national park), and Abel Tasman. The Kermadec Islands (1,000 km northeast of NZ) and the sub-Antarctic islands (Auckland, Campbell, Antipodes, Bounty and Snares islands) are UNESCO World Heritage sites known for extraordinary seabird and marine biodiversity.

5Natural Hazards and Climate

Ring of Fire: New Zealand sits on the Pacific Ring of Fire — the zone of intense seismic and volcanic activity encircling the Pacific Ocean. This makes NZ one of the most geologically active countries on Earth.

Major earthquakes:

- 1931 Hawke's Bay (Napier) earthquake: Magnitude 7.8 — killed 256 people and destroyed much of Napier and Hastings. Napier was rebuilt in Art Deco style.

- 2010 Canterbury earthquake: Magnitude 7.1 struck near Darfield on 4 September 2010 — no deaths due to the early hour.

- 2011 Christchurch earthquake: Magnitude 6.3 on 22 February 2011 — killed 185 people and caused catastrophic damage to Christchurch CBD.

- 2016 Kaikōura earthquake: Magnitude 7.8 — caused major landslides and damage along the Kaikōura coast.

Tsunami risk: Given its location, New Zealand faces tsunami risk from both local earthquakes and distant Pacific events. Civil Defence has an extensive early-warning system.

Volcanic eruptions:

- Whakaari / White Island: An active marine volcano off the Bay of Plenty coast. A sudden eruption on 9 December 2019 killed 22 people (tourists and guides) and injured dozens more.

- Tongariro / Ngāuruhoe / Ruapehu: Active volcanoes in the central North Island (Tongariro National Park); Ruapehu last erupted significantly in 1995–96.

Climate zones: NZ has varied climate zones — subtropical in Northland, temperate across most of the country, and alpine/subalpine in the Southern Alps. The South Island's west coast is one of the wettest places on Earth; Central Otago is the driest region.

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