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REM611S- RANGELAND ECOLOGY MANAGEMENT - 2ND Opp- JULY 2022 |
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nAm I BIA un IVERSITY
OF SCIEnCE Ano TECHn OLOGY
Faculty of Health, Applied Science and Natural Resources
Department Agriculture and Natural Resources Sciences
QUALIFICATION: Bachelor of Natural Resource Management (Nature Conservation)
QUALIFICATION CODE: 07BNRS
LEVEL: 6
COURSE: Rangeland Ecology and
Management
COURSE CODE: REM611S
DATE: July 2022
SESSION: July
DURATION: 3 (three) hours
MARKS: 150
SUPPLEMENTARY/SECOND OPPORTUNITY EXAMINATION QUESTION PAPER
EXAMINER(S) Ms. E. N. Nghalipo
MODERATOR: Mr. R. Kavari
INSTRUCTIONS
1. Answer ALL eleven (11) questions.
2. Read all questions carefully before answering.
3. Number your answers clearly.
4. Make sure your student number appears on the answering script.
PERMISSIBLE MATERIALS
1. Examination paper
2. Examination script
3. Calculator
THIS QUESTION PAPER CONSISTS OF 3 PAGES (Excluding this front page)
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QUESTION 1
Describe the following terms and phrases fully, as applied to Rangeland Ecology and
Management, using a relevant example for each.
1.1 Rangeland Condition
{2}
1.2 Primary succession
(2)
1.3 Rotational Grazing
(2)
1.4 Stocking rate
(2)
1.5 Prescribed Fire
{2}
1.6 Pioneer species
(2)
1.7 Climax community
(2)
1.8 Landscape Function Analysis
{2}
1.9 National Park Management Plan
{2}
1.10 Adaptive management
{2}
[20)
QUESTION 2
2.1. Discussthe five forces that threaten rangeland integrity.
{10)
[10)
QUESTION 3
3.1 What are the main objectives for assessingveld/rangeland conditions?
3.2 List 4 common bush encroacher species in Namibian rangelands.
3.3 What can be concluded regarding the grazing status of a rangeland if you find a lot
of?
{a) Decreaser grasses
(b) Increaser I grasses
{4}
{4}
{2}
[10)
QUESTION 4
4.1 Explain the importance of rangeland assessment and monitoring.
4.2 You have been hired by Agra ProVision as a Rangeland Consultant to design
appropriate rangeland assessment and monitoring approaches in Namibia. Discuss
the key aspects that you need to understand.
{2}
{8)
[10)
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QUESTION 5
5.1
Explain the following terms and the consequences of each and how can they be
prevented in communal areas?
a) Overstocking
b) Overgrazing
QUESTION 6
6.1
Using a sketch/diagram to illustrate, explain the ecological succession process.
(15)
[15]
(10)
QUESTION 7
7.1
Fire behaviour is influenced by different factors. Mention five factors, and briefly
explain how these factors influence fire behaviour.
7.2
Describe the factors that determine vegetation recovery after fire.
7.3
Differentiate between a headfire and a backfire.
QUESTION 8
8.1
Explain the factors that determine animals' habitat preference.
QUESTION 9
9.1
Explain why it is important to carefully consider the placement and maintenance
of water points on a game farm/ park (from a wildlife and veld management
perspective).
9.2
Why is the concept of adaptive management important in natural resources
management?
[10]
(5)
(6)
(4)
[15]
(20)
[20]
(10)
(5)
[15]
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QUESTION 10
During a road strip count, visibility distance is recorded at 100m intervals and the distances are
listed in the table below.
Sample Width (m)
1
10
2
10
3
35
4
22
5
20
6
30
7
15
8
20
9
25
10
10
10.1 Explain why game count is an important aspect of wildlife management.
(2)
10.2 During which types of wildlife surveys is the MSV used?
(2)
10.3 Calculate the mean strip visibility from measurements that were taken in a study area (2)
and are listed in the table above.
10.4 What is the length of the transect along which these measurements were taken? Show (2)
your calculations.
10.5 What kind of vegetation type would you expect in this study area?
(2)
[10]
QUESTION 11
11.1 Conduct a root cause analysis on littering problem on NUSTcampus.
(15)
[15]
Total marks: 150
The END
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