Environmental Resource Inventory Question Paper

Environmental Resource Inventory

Course:Bachelor Of Environmental Studies

Institution: Kenyatta University question papers

Exam Year:2009

KENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2008/2009
SECOND SEMESTER EXAMINATIONS FOR THE DEGREE OF BACHELOR
OF ENVIRONMENTAL STUDIES

ERC 303:
ENVIRONMENTAL RESOURCE INVENTORY

===============================================================
DATE: WEDNESDAY 26TH AUGUST 2009 TIME: 11.00 A.M. – 1.00 P.M.

INSTRUCTIONS
• Answer Question ONE and any other THREE Questions

1.
a)
Explain
Forest
Inventory.
(5
marks)
b)
Explain the important factors that influence the choice of the design when
selecting the sampling methods of forest inventories.
(10 marks)
c) Describe
the
size/age relationship of biological organisms. (6 marks)
d)
Explain the following terms as applied in resource inventory.

i)
Growth

(2 marks)
ii)
Increment.
(2
marks)

2.
Suppose that you have been contracted to carry out research to estimate the
population size of animals. State the methods and describe how you will
undertake
the
field
work.

(15 marks)

3.
Use the Lincoln – Petersen method to estimate the population size of fish in a lake
where a researcher captures 20 fish on her first visit to the lake, and marks their
backs with paint. A week later she returns to the lake and captures 30 fish. Ten
of these 30 fish have paint on their backs, indicating that they are recaptured
animals.

(15 marks)
Page 1 of 2

4.
Write short notes on the following:
i)
Forest volume

(3 marks)
ii)
Stand
basal
area (3
marks)
iii)
Stocking
rates
(3
marks)
iv)
Plot
methods
(3
marks)
v)
Plotless
methods
(3
marks)

5.
Discuss the factors that you would consider when evaluating the possible
influences on the change in community vegetation structure over a period of time.

(15 marks)

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Page 2 of 2

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