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)
2