Sand mining along the Mangawhai–Pakiri coastline of New Zealand

What is the primary use of sand extracted from the Mangawhai–Pakiri coastline?

• Construction and beach replenishment
• Agriculture
• Fishing
• Oil extraction

Where is the Mangawhai–Pakiri coastline located?

• Northland Peninsula
• South Island
• West Coast
• Northwest coast

What percentage of New Zealand’s GDP does the Auckland region contribute?

• 25%
• 50%
• 35%
• 15%

What percentage of New Zealand’s population does the Auckland region contribute?

• 1/2

• 1/5

• 1/3

• 3/4

How much sand was extracted annually between 1994 and 2004?

• 165,000 m³
• 200,000 m³
• 100,000 m³
• 50,000 m³

When did mining at Mangawhai end?

• 2005
• 2010
• 1995
• 2020

How much sand is extracted annually at Pakiri Beach?

• 75,000 m³

• 50,000 m³

• 100,000 m³

• 150,000 m³

What is the primary source of sand on the Mangawhai–Pakiri coastline?

• Rivers
• Offshore
• Dunes
• Imported

What term best describes the Mangawhai–Pakiri coastal sediment budget?

• Closed
• Open
• Dynamic
• Balanced

What happened at Mangawhai Spit in 1978?

• A 28m breach

• Tidal currents changed

• Increase in tourism

• Reduced erosion