Which desert vegetation species, commonly known in Arabic as 'Al-Ghadha' (Haloxylon persicum), is culturally celebrated in Unaizah and protected against desertification across the Qassim sand dunes?
Answer and explanation
Correct answer: D. White saxaul (Haloxylon persicum / Ghadha)
- Step 1: Identify indigenous desert xerophytes: The white saxaul (Al-Ghadha) is a large desert shrub capable of binding mobile sand dunes.
- Step 2: Unaizah in Al-Qassim hosts the world's largest protected Ghadha natural park, recognized for its vital role in halting desert encroachment and historical Bedouin firecraft.
Answer
White saxaul (Haloxylon persicum / Ghadha).
Why not the others: 'Sidr' (Ziziphus) is a revered fruit-bearing tree growing in wadi basins; 'Salam' is a small thorny acacia; 'Ghaf' is Prosopis cineraria, celebrated particularly in eastern Arabia and the UAE.
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