CLEAN : Desert Spirit Sands disappearing in Canada

The video discusses natural succession, where vegetation encroaches on open sand dune areas. It explores mechanisms to remove this vegetation to maintain the dunes' movement and ecological balance.

What is the process called when vegetation starts to grow in areas that were once open sand dunes?

• Deforestation

• Natural succession

• Desertification

• Erosion

Which of the following best describes the change happening to sand dunes due to vegetation?

• They are becoming more stable.

• They are being covered by water.

• They are eroding faster.

• They are turning into forests.

What is the main goal of removing vegetation from sand dunes?

• To prevent soil erosion

• To keep the dunes moving

• To increase biodiversity

• To create more farmland

Which of the following is NOT a reason for removing vegetation from sand dunes?

• To preserve the dune ecosystem

• To allow for more plant growth

• To maintain the natural movement of dunes

• To prevent the dunes from becoming too stable

What is the primary concern when vegetation encroaches on sand dunes?

• Higher water retention

• Loss of animal habitat

• Reduced dune mobility

• Increased soil fertility