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BCM721S-BIODIVERSITY CONSERVATION AND MANAGEMENT-1ST OPP-NOV 2024 |
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nAmlBIA unlVERSITY
OF SCIEn CE Ano TECHn OLOGY
FACULTY OF HEALTH, NATURAL RESOURCES AND APPLIED SCIENCES
SCHOOL OF AGRICULTURE AND NATURAL RESOURCE SCIENCES
DEPARTMENT OF NATURAL RESOURCE SCIENCES
QUALIFICATION: BACHELOROF NATURAL RESOURCEMANAGEMENT
QUALIFICATION CODE: 07BNRS
COURSE CODE: BCM721S
LEVEL: 7
COURSE NAME: BIODIVERSITYCONSERVATIONAND
MANAGEMENT
DATE: November 2024
DURATION: 3 HOURS
MARKS: 70
FIRST OPPORTUNITY EXAMINATION QUESTION PAPER
EXAMINER(S) Prof. Vera De Cauwer
MODERATOR: Dr Mark Bilton
INSTRUCTIONS
1. Answer ALL the questions.
2. Write clearly and neatly.
3. Number your answers clearly.
4. Show your detailed work for calculations.
PERMISSIBLE MATERIALS
1. Calculator
THIS QUESTION PAPER CONSISTS OF 2 PAGES (Excluding this front page)
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Question 1
[4]
Explain the purpose of a management plan for natural resources.
Question 2
[15]
Indicate if the following statements are True or False. If false. correct the statement.
a) A biosphere reserve is one of the IUCN-protected area categories.
b) A recently deforested area that will be planted again remains a forest according
to FAQ.
c) A zebra is a mixed feeder.
d) The higher the temperature, the less biogas is produced in an anaerobic
digestion process.
e) The resilience of an ecosystem will increase when it is artificially kept stable in a
certain condition.
f) Increasing CO2levels enhance the water-use efficiency of plants.
g) A flagship species occurs in a particular area only and nowhere else.
h) The rate of surface temperature increase has been more rapid in Africa than the
global average, with human-induced climate change being the dominant driver.
i) Hybrids between a wild species and its domestic relative are often unhealthy or
sterile.
j) Stocking rate refers to the forage produced.
Question 3
[5]
What are the threats to the genetic diversity of wildlife populations?
Name two management interventions that can counteract these threats.
Question 4
[7]
Complete the sentence with one word or concept.
a) The maximum quantity of forest produce which may be harvested is called ...
b) Global Forest Resources Assessments are produced every ..... years by the Food and
Agricultural Organization (FAO).
c) In the absence of predators, the natural mortality of most herbivores is around ...%
per year.
d) The three levels of biodiversity are ..., ... and ... diversity.
e) Actions to reduce greenhouse gas emissions are referred to as ....
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Question 5
[4]
Why do you need to manage a forest?
Question 6
[8]
What purpose do management interventions have?
Give three examples of natural resources management interventions with the objectives of
each of these interventions.
Question 7
[7]
Compare the harvest with the disc pasture method to determine herbaceous biomass.
Question 8
[5]
Explain the urban heat island effect and the main cause.
Question 9
[9]
A game farm of 3000 ha has 20% grassland. The farm has only browsers and the manager
decides to introduce blue wildebeest. The grass biomass varies between 200 and 500 kg DM per
ha depending on the annual rainfall, with an average utilization of 60%. Note that the fodder
requirement of 1 GU is 4.5 kg per day.
a) What is the grazing capacity of the game farm? Explain in your own words what this
means.
b) How many blue wildebeest can graze sustainably?
Write down your calculations.
Question 10
[4]
What is the main objective of the Paris Agreement?
Question 11
[2]
What is a habitat?
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