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CSB810S-CONSERVATION BIOLOGY-2ND OPP-JULY 2025 |
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nAmlBIA UnlVERSITY
OF SCIEnCE Ano TECHnOLOGY
Faculty of Health, Applied Sciences and Natural Resources
School of Agriculture and Natural Resources
Department of Natural Resources Sciences
QUALIFICATION:Bachelor of Natural ResourceManagement Honours
QUALIFICATIONCODE: 08BNRH
LEVEL:8
COURSE:CONSERVATIONBIOLOGY
COURSECODE: CSB810S
DATE:JULY2025
DURATION: 3 (THREE)HOURS
MARKS: 100
SECOND OPPORTUNITY /SUPPLEMENTARY EXAMINATION QUESTION PAPER
EXAMINER(S) Dr T. Nzuma
MODERATOR: Prof. H. Ndagurwa
INSTRUCTIONS
1. Answer ALL the questions.
2. Write clearly and neatly.
3. Number the answers clearly.
PERMISSIBLE MATERIALS
1. Examination question paper
2. Answering book
3. Calculator
THIS QUESTION PAPER CONSISTS OF 1 PAGE {Excluding this front page)
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Question 1
[15)
a) Define the four types of ecosystem services - provisioning, regulating, cultural, and supporting -
and give a Namibian example for each. (8 marks)
b) How can valuing ecosystem services enhance protected area management in Namibia? (7 marks)
Question 2
[20)
a) Describe three ecological impacts of invasive species in Namibia, with specific examples. (9 marks)
b) Outline mechanical, chemical, and biological control methods used in Namibia. Provide benefits and
limitations of each. (11 marks).
Question 3
[30)
Evaluate how Namibia's species and ecosystems can be conserved under increasing climate variability
and change.
Question 4
[35)
You are designing a reserve for an amphibian species with low dispersal ability, impacted by habitat
loss and climate change.
a) Identify and explain four ecological criteria critical for selecting and designing the reserve. (10
marks)
b) Discussthe implications of:
• The SLOSS(Single Large or Several Small) debate,
• Edge-to-interior ratios,
• Connectivity corridors,
in reserve planning for this species. (15 marks)
c) Propose one post-establishment monitoring method for the amphibian population and justify your
choice. (10 marks)
THEEND
Total Marks: 100
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