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Ses311:Environmental Field Studies Question Paper

Ses311:Environmental Field Studies

Course:Environmental Field Studies

Institution: University Of Eldoret question papers

Exam Year:2012

Answer all questions in section 1 and any two in section 2
section 1
1.What is the purpose of calibration of instruments for field data collection?(3marks)
2.Explain why collection for water for pesticide analysis is done in a dark bottle (3marks)
3.Explain preliminary steps you would follow prior to sampling tap water for microbial analysis (3marks)
4.What do you understand by purging as applied in soil air sampling?(3marks)
5.Differentiate between population and sample (3marks)
6.Explain what you understand by microcosm and mesocosm as applied in ecology field studies (3marks)
7.What do you understand by the following ecological methods?(3marks)
i)Uncontrolled observation
ii)Manipulative experiments
8.Distinguish between the terms environmental monitoring and environmental planning (3marks)
9.Using examples,explain how any two of the following data types can be used for environmental monitoring
a.Physical environmental data,
b.Biological environmental dat a
c.Socio-economic environmental data
10.a)State the qualities of a well stated specific objective (1mark)
b)List two inferential statistic and explain how one of them can be used to test a hypothesis of your choice(2marks)
Section 2
1.Describe the sampling strategy of tap water for microbiological analysis in terms of
a)Field equipment (8marks)
b)Field sampling operation(8marks)
c)Sample handling and transportation (4marks)
2.a)Explain,giving examples what you understand by a wetland (4marks)
b)Distinguish between a line transect and a belt transect (6marks)
c)Supposing a wetland is degraded and you suspect human activities.Clearly outline the procedure you would use to determine species diversity and distribution with the wetland.(10marks)
3.Discuss the merits and demerits of the following data collection methods;(20marks)
i.Questionnaire
ii.Observation
iii.Interview
4.a)Distinguish among i)control ii)detail and iii)topographic surveys.(10marks)
d)Describe the following spatial data collection methods(10marks)
i)Chain surveying
ii)Leveling
iii)Traversing
iv)Mobile GIS mapping

Ses311:Environmental Field Studies Question Paper

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