Climate and Natural Vegetation 4

Mention different name of the desert in the world!

What is the speciality of this Namib desert plant?

• It is a fast-growing plant with multiple branches
• It is a carnivorous plant that feeds on insects
• It is a type of cactus found in the Sahara desert
• It blooms every 10 years and then dies
• It can live for over 2000 years.

Why walvis bay is drier than windhoek?

• Presence of mountains and low humidity levels
• Lack of vegetation and high pressure systems
• Location in the Namib Desert and the influence of the cold Benguela Current
• Absence of rivers and strong trade winds
• Higher elevation and proximity to the Atlantic Ocean

What is the tallest dune in Africa?

• Gobi Dune
• Atacama Dune

• Sahara Dune
• Dune 7
• Kalahari Dune

What is the most reliable source of moisture in Namib desert?

• Irrigation from nearby farms
• Melted snow from nearby mountains
• Fog from the Atlantic Ocean
• Rainfall from tropical storms
• Underground rivers

Match the following Namib plants to their unique adaptations

• Accumulates sand around itself

• Welwitschia

• the two leaves grow continuously

• Nara plant

• Carrion-like smell

• quiver tree

• Its thick bark protects it from wildfire

• Pencil bush

• Easy to propagate via stem cuttings

• Hoodia gordonii

P128, 1. Explain the development of the desert climate in southwest Africa.
The climate of the Namib Desert is ​ (a)   with very rare and unpredictable rainfall. The most important feature is the ​ (b)   which is the only reliable source of moisture. Rainfall is very low because of the combined effect of the ​ (c)   of the Drakensberg Mountains and the cold, offshore ​ (d)   Current. Cold air from the Atlantic Ocean reduces the effects of latitude at the coast while, inland, sinking air from the Drakensberg Mountains raises ​ (e)   temperatures.

• arid
• coastal fog
• rainshadow
• Benguela
• summer
• semi-arid
• monsoon
• tropical
• trade winds
• winter

P128, 2 Describe the unique characteristics of the Welwitschia plant?

• it has only two leaves

• produces true flowers

• lies close to the ground

• it has deep roots

• It has thick, rubbery leaves

[B-SV]P128, 3. How hot deserts be used for economic benefit without causing environmental?
Due to the ​ (a)   of hot desert areas nearly all economic activities cause some kind of damage. Things that can be done to minimise this include: very strict environmental protection laws for ​ (b)   ; irrigation systems being supplied to stop overgrazing through ​ (c)   pastoralism and to encourage more ​ (d)   farming; restrictions on numbers of tourists engaged in activities such as ​ (e)   , and the provision of specific areas to allow such activities to take place.

• fragility
• mining
• nomadic
• settled
• off-road driving
• deforestation
• fishing
• urbanization
• pollution
• on-road driving

[VB] The video describes Namibia as a "land of contrasts." What specific examples does the video use to illustrate this concept?

• Harshness vs. Life

• Wilderness vs. Modernity

• Tradition vs. Sustainability

• Man Vs Woman

• Desert vs Ocean