Taming the Sand - A long-lasting combat against desertification and sandstorms: แบบฝึกหัด

What type of desert is specifically mentioned in the Knowledge requirements alongside tropical deserts?

Which of the following geographical skills is specifically mentioned in the Taming the Sand module as a way to simulate and observe characteristics of desert vegetation?

Deserts cover approximately what proportion of the Earth's total land surface?

A student is analyzing a map of North China showing regions affected by sandstorms. Which of the following data layers would be most useful in a GIS to identify the source regions of the sand?

According to global geographical data, approximately what fraction of the Earth's total land surface is covered by deserts?

Why is North China particularly susceptible to sandstorms compared to other regions in the country?

Explain how overlaying a map of vegetation density with a map of wind speed in a GIS helps geographers identify the most critical areas for priority afforestation projects.

Desertification is a significant environmental problem globally.
(a) Define desertification.
(b) Identify and briefly explain one human cause and one physical cause of desertification.
(c) State one major environmental consequence of desertification.

Pasture degradation is a significant form of desertification in Inner Mongolia.
(a) Identify two human activities that lead to the degradation of grasslands in this region.
(b) Explain the relationship between overgrazing and wind erosion in the process of desertification.