Warilla Beach Environmental Management Quiz

What is the main cause of erosion at Warilla Beach?

• Overfishing

• Urban development

• Sand mining

• Coral bleaching

What natural feature protects Warilla Beach from wave energy from north/northeast directions?

• Coral reefs

• Mangrove forests

• Artificial seawalls

• Windang Island

Which vegetation is known for its ability to stabilize dunes at Warilla Beach?

• Pigface

• Spinifex grass

• Tea tree

• European Sea Rocket

What was the original cause of coastal erosion at Warilla Beach?

• Natural disasters

• Tourism

• Sand mining

• Agricultural runoff

What is the primary function of dunes at Warilla Beach?

• To support marine life

• To attract tourists

• For residential development

• To serve as natural buffers

What management strategy was implemented in 2007 at Warilla Beach?

• Planting more dunes vegetation

• Banning public access

• Dredging sand from Lake Illawarra entrance

• Building a marina

Which plant is NOT targeted for removal because it stabilizes dunes without competing with native species?

• Bitou Bush

• Spinifex grass

• American Pennywort

• Coastal Banksia

What is the effect of rock seawalls on Warilla Beach?

• They prevent all forms of erosion

• They attract more wildlife

• They increase in-shore energy flows

• They enhance the beauty of the beach

What process involves the transportation of sand along the beach?

• Eutrophication

• Deforestation

• Longshore drift

• Photosynthesis

Which of the following is a consequence of poor planning in coastal areas?

• Increased biodiversity

• Reduced erosion

• Housing development on the foredune

• Improved water quality