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REM611S-RANGELAND ECOLOGY AND MANAGEMENT- 2ND OPP-JULY 2025 |
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nAmlBIA unlVERSITY
OF SCIEnCE Ano TECHnOLOGY
FACULTY OF HEALTH, NATURAL RESOURCES AND APPLIED SCIENCES
SCHOOL OF AGRICULTURE AND NATURAL RESOURCE SCIENCES
DEPARTMENT OF NATURAL RESOURCE SCIENCES
QUALIFICATION: BACHELOR OF NATURAL RESOURCES MANAGEMENT (NATURE
CONSERVATION)
QUALIFICATION CODE: 07BNRS
LEVEL: 6
COURSE CODE: REM611S
COURSE NAME: RANGELAND ECOLOGY AND
MANAGEMENT
DATE: JULY 2025
DURATION: 3 HOURS
MARKS: 150
SECOND OPPORTUNITY/ SUPPLEMENTARY EXAMINATION QUESTION PAPER
EXAMINER(S) Dr. E. N. Nghalipo
MODERATOR: Prof. B. Strohbach
1. Answer all the questions.
INSTRUCTIONS
2. Read all the questions carefully before answering.
3. Make sure your name and surname, question number and the date appear on the
answer script.
4. Give special attention to the manuscript instructions.
THIS QUESTION PAPER CONSISTS OF _5_ PAGES {Including this front page)
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QUESTION 1
Describe the following terms and phrases fully, as applied to Rangeland Ecology and
Management.
1.1 Carrying capacity
(2)
1.2 Patches
(2)
1.3 Decreaser grasses
(2)
1.4 Plant Succession
(2)
1.5 Prescribed Fire
(2)
1.6 Ground fire
(2)
1.7 Desertification
(2)
1.8 Bush encroachment
(2)
1.9 National Park Management Plan
(2)
1.10 Root cause analysis
(2)
[20]
QUESTION 2
2.1 What are the main objectives for assessing veld/rangeland conditions?
(5)
2.2 List 5 common bush encroacher species in Namibian rangelands.
(5)
[10]
QUESTION 3
3.1 You are the newly appointed Warden for NamibRand Nature Reserve; you are to rent
a 3000-ha portion of the reserve for the following year and want to know how many
springboks can be sustainably stocked on this portion. A grass biomass assessment
indicated that the farm has, on average, 600 kg of dry grass material per ha. An
average springbok on this reserve eats 2 kg of dry grass per day.
Assuming a utilization factor of 0.35, how many hectares are required per springbok (4)
on this farm?
3.2 How many springboks can be stocked sustainably on this reserve?
(2)
3.3 A new private game reserve has been established in the Omaheke region; as a
(4)
recent NRM graduate, you have been asked to assist in setting up the stocking rate
for the game reserve.
What factors do you need to consider when setting up a stocking rate?
[10]
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QUESTION 4
4.1 Explain the following terms, the consequences of each, and how they can be
prevented in communal areas.
a) Overstocking
b) Overgrazing
(15)
[15]
QUESTION 5
5.1 Fire behaviour is influenced by different factors. Mention five factors and briefly
explain how these factors influence fire behaviour.
5.2 Describe the factors that determine vegetation recovery after fire.
5 .3 Differentiate between a headfire and a backfire.
(5)
(6)
(4)
[15]
QUESTION 6
6.1 Adaptive management plays a vital role in the effective management of natural
(10)
resources. Discuss its relevance and importance in the context of conservation.
[10]
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QUESTION 7
During a road strip count, visibility distance is recorded at 100m intervals, and the
distances are listed in the table below.
Sample
1
2
3
4
5
6
7
8
9
10
Width
(m)
10
10
35
22
20
30
15
20
25
10
7.1 Explain why game count is an important aspect of wildlife management.
{2)
7.2 During which types of wildlife surveys is MSV used?
(2)
7.3 Calculate the mean strip visibility from measurements that were taken in a study area (2)
and are listed in the table above.
7.4 What is the length of the transect along with which these measurements were taken? (2)
Show your calculations.
7.5 What kind of vegetation type would you expect in this study area?
(2)
[10]
QUESTION 8
8.1 Discuss the economic impact of Foot and Mouth Disease {FMD) in Namibia, with
(12)
reference to its implications for both wildlife conservation and livestock production.
8.2 Explain the control measures for Foot and Mouth Disease.
(4)
8.3 Using relevant examples, differentiate between density-dependent and density- (4)
independent factors in wildlife management.
[20]
QUESTION 9
9.1 Explain the importance of holistic resource management in conservation.
(5)
9.2 Distinguish between brittle and non-brittle environments, highlighting their main
{10)
ecological characteristics.
[15]
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QUESTION 10
10.1 Explain why it is important to carefully consider the placement and maintenance of (10)
water points on a game farm/ park (from a wildlife and veld management
perspective)
[10]
QUESTION 11
Pangolin trafficking is a significant conservation issue in Namibia. As a Natural Resource
Management student, you have been assigned by the Namibian Chamber of Environment (NCE)
to explore and propose solutions to address this problem. Conduct a root cause analysis on the
Pangolin trafficking problem in Namibia, clearly outlining the root causes, contributing factors
as well as Corrective actions.
[15]
Total marks: 150
The END
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