Quiz

1) What is a catchment?

A The mountain range that surrounds rivers
B A catchment is another name for a river
C The area of land that is made up only of cities and rivers
D The area of land that catches water and directs it to a stream, river, lake or ocean

2) Every time we change the flow of the water or add in a concrete channel we

A. Lose critical habitat for the many different species that live in and near the river
B. Reduce the speed of the river
C. Change the course of the river
D. None of the above

3) Rehabilitating and restoring these urban rivers is important for

A. Supporting natural processes (flood prevention, waste decomposition, soil regeneration, seed dispersal etc.)
B. Protecting the habitat for plants and animals that we love
C. Improving water quality and quantity
D. All of the above

4) How many vegetation types are critically endangered in South Africa?

A. 23
B. 21
C. 11
D. 8

5) How many critically endangered vegetation types are found in Cape Town

A. 23
B. 21
C. 11
D. 8

6) Which is not a benefit of maintaining sustainable forest ecosystems?

A. Empty space on which to build homes
B. Habitat for thousands of species
C. Reduction of erosion in watersheds
D. Regulation of weather patterns

7) Why is it important to remove alien invasive species?

A. It is important to keep the river system as natural as possible for them to perform their vital functions
B. Alien species use more resources than indigenous species
C. Alien plant species decrease surface water runoff and groundwater recharge, affecting water quality
D. All of the above

8) What does ´biodiversity´ refer to?

A. Cultural diversity
B. Only the diversity of species
C. The diversity of species, ecosystems and genes
D. The diversity of species, ecosystems and cultures

9) What type of vegetation is most threatened in South Africa?

A. Cape Flats Sand Fynbos
B. Mountain Fynbos
C. Coastal Dune vegetation
D. Saltmarsh

10) What are ´invasive alien species´?

A. Extra-terrestrial species found in certain tropical ecosystems
B. Species introduced outside their normal distribution that modify ecosystems, habitats, or species
C. Species that have not been identified
D. Species that have failed to integrate into a given habitat

11) What percentage of the world population is projected to be living in cities by 2030?

A. 30%
B. 60%
C. 90%
D. 100%

12) How did Princess Vlei derive its name?

A. The Khoi king gave his daughter, the Princess, the vlei as a wedding present
B. From the story of a Khoi Princess overpowered and raped by Portuguese sailors, whose tears flowed down the mountain to fill up the vlei
C. From the story of a Portuguese Princess overpowered and raped by Khoi sailors, whose tears flowed down the mountain to fill up the vlei
D. The vlei is shaped like a princess

13) What special animal might you see if you visit Rondevlei?

A. None of the below
B. Black eagles
C. Crocodiles
D. Hippopotamus

14) The western leopard toad can reach a length of?

A. 140mm
B. 40mm
C. 70mm
D. 170mm

15) Which is NOT an alien plant species?

A. Parrot Feather
B. Water Lettuce
C. Black Wattle
D. Arum lily