REM611S - RANGELAND ECOLOGY AND MAN - 1ST OPP - JUNE 2023


REM611S - RANGELAND ECOLOGY AND MAN - 1ST OPP - JUNE 2023



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r
r
nAmlBIA UnlVERSITY
OF SCIEn CE Ano TECHn OLOGY
FACULTYOF HEALTH,NATURALRESOURCESAND APPLIEDSCIENCES
SCHOOLOF AGRICULTUREAND NATURALRESOURCESCIENCES
DEPARTMENTOF NATURALRESOURCESCIENCES
QUALIFICATION:BACHELOROF NATURALRESOURCESMANAGEMENT
QUALIFICATIONCODE: 07BNRS
COURSECODE: REM611S
LEVEL: 7
COURSENAME: RANGELANDECOLOGYAND
MANAGEMENT
DATE:JUNE 2023
DURATION: 3 HOURS
MARKS: 150
FIRST OPPORTUNITY EXAMINATION QUESTION PAPER
EXAMINER(S) Ms. E. N. Nghalipo
MODERATOR: Mr. R. Kavari
INSTRUCTIONS
1. Answer ALL the questions.
2; Write clearly and neatly.
3. Number the answers clearly.
PERMISSIBLEMATERIALS
1. Examination question paper
2. Answering book
3. Calculator
THIS QUESTION PAPERCONSISTSOF 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.
1.1 Rangelands
(2)
1.2 Rangeland Condition
(2)
1.3 Rotational Grazing
(2)
1.4 Grazing capacity
(2)
1.5 Fire regime
(2)
1.6 Primary succession
(2)
1.7 Pioneer species
(2)
1.8 Climax community
(2)
1.9 Landscape Function Analysis
(2)
1.10 Adaptive management
(2)
(20]
QUESTION 2
2.1. Ms. Twapandula Martin recently acquired a farm between Okahandja and Otjiwarongo and (15)
wants to transform the farm into a wildlife sanctuary. As a Natural Resources Management
student, you know that sustainable rangeland management is centered around four
General Principles of which two are: (1) Know your grasses and know which grasses
livestock/wildlife prefer to eat and (2) Grasses need an adequate recovery period.
In your own words explain to Ms. Martin what the above principles mean, how they can
be implemented and their importance in achieving sustainable rangeland management.
(15]
QUESTION 3
3.1. You have been selected to represent Namibia at a Rangeland symposium in Nevada, USA. (20)
Rangeland ecologists around the world are keen to know some of the threats affecting
rangelands in Namibia and how they can be managed/mitigated.
(20]
QUESTION 4
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 sustainably be stocked
on this portion. A grass biomass assessment indicated that the farm has on average 600 kg dry grass
material per ha. An average springbok on this reserve eats 2 kg of dry grass per day.
4.1 Assuming a utilization factor of 0.35, how many hectares are required per springbok on this (4)
farm?
4.2 How many springboks can be stocked sustainably on this reserve?
(2)
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4.3 A new private game reserve has been established in Omaheke region, as a recent NRM
(4)
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)
QUESTION 5
5.1 Distinguish between rangeland assessment and monitoring.
(2)
5.2 You have been hired by Agra ProVision as a Rangeland Consultant to design appropriate (8)
rangeland assessment and monitoring approaches in Namibia. Discussthe key aspects that you
need to understand before you design these approaches.
[10)
QUESTION 6
6.1 Grazing value is an important aspect of forage resources. Name and clearly describe the six {12)
aspects of the grazing value.
6.2 What can be concluded regarding the grazing status of a rangeland if you find a lot of?
(2)
(a) Decreaser grasses
(b) Increaser I grasses
6.3 Name 6 grass species that make up the "Namibian six-pack" grasses.
(6)
[20)
QUESTION 7
7.1 Adaptive management is critical to the successof natural resources management, discuss the {10)
relevance of Adaptive management in conservation.
[10)
QUESTION 8
8.1 Explain the factors that determine animals' habitat preference.
QUESTION 9
9.1 Game count activities are an important part of wildlife management in national parks,
conservancies and game reserves that must be conducted annually. Discusswhy the
information from the game count is important in wildlife management.
9.2 Mention five ground game count methods.
(20)
[20)
(10)
(5)
[15)
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QUESTION 10
10.1 National Parks are vital tools for conserving Namibia's biodiversity. It's therefore
(10)
important that parks have management plans that guide their operations. Explain the
objectives of park management plans in Namibia.
[10]
Total marks: 150
The END
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