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Aquatic Ecology Question Paper

Aquatic Ecology 

Course:Bachelor Of Environmental Studies

Institution: Kenyatta University question papers

Exam Year:2009



KENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2009/2010
FIRST SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR OF
ENVIRONMENTAL SCIENCE
ENS 332:
AQUATIC ECOLOGY

=================================================================
DATE: WEDNESDAY 23RD DECEMBER 2009
TIME: 8.00 A.M. – 10.00 A.M.

INSTRUCTIONS

SECTION A is Compulsory (40)

Answer Questions ONE and any other THREE.


1.
a)
Citing specific examples, explain the key features of lotic and lentic habitats.











(15 marks)

b)
Discuss the practical applications of limnoecology in socio-economic
development.
(10
marks)

2.
Explain why estuaries are regarded as the most product ecosystems on earth.











(15 marks)
3.
Describe the roles of development authorities in river/lake basin management in
Kenya.

(15
marks)

4.
With the aid of an illustration, explain the vertical extinction of irradiance in the

water column.







(15 marks)
5.
Discuss the impacts of climate change on the physicals, chemical and biological
phenomena
occurring
in
aquatic
ecosystems.
(15
marks)
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