Range Land Ecology Question Paper

Range Land Ecology

Course:Bachelor Of Education

Institution: Kenyatta University question papers

Exam Year:2008

KENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2007/2008
INSTITUTE OF OPEN LEARNING

SPECIAL EXAMINATION FOR THE DEGREE OF
BACHELOR OF EDUCATION AND BACHELOR OF SCIENCE

SBT 409: RANGE LAND ECOLOGY

Reg.No. ___________________________ Name: ______________________________

DATE: Wednesday 8th October 2008 _____________TIME: 10.00am – 12.00am
INSTRUCTIONS: Answer ALL questions in Section A and any ONE question in
Section B. Answers in Section A should be concise and should be written in spaced
provided below each question.

Section A: Short answer questions (5 marks each, total = 40 marks)
Q1.
Define
(a) Overgrazing
(b) Migration corridors
(c) Potential evaporation
Q2.
(a) List four grazing systems
(b) Why must a watering point be placed in each grazing block?
Q3.
(a) What is ALDEV?
(b) List THREE problems faced by ALDEV.
Q4.
(a) List THREE sources of surface water in rangelands.
(b) Name TWO factors that affect soil erosion by run-off.
Q5.
Differentiate between reseeding and overseeding in range ‘pasture’ management.
Q6.
Briefly discuss TWO objectives of bush control.
Q7.
‘Foreign tourism is seen as a mixed blessing by economists, politicians, some ecologists and wananchi’. Briefly discuss.
Q8.
List FIVE range policies.

Section B: Essay type questions (30 marks)
Write one essay on any ONE of the following:
Q1.
Range land conservation methods.
Q2.
Adaptation features of range plants.
Q3.
Variables in grazing control in rangelands.

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