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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)
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)

Environmental Resource Inventory Question Paper

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