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Ensc 700: Ecology And Environment Question Paper

Ensc 700: Ecology And Environment

Course:Master Of Science In Environmental Science

Institution: Chuka University question papers

Exam Year:2013

CHUKA

UNIVERSITY

UNIVERSITY EXAMINATIONS

FIRST YEAR EXAMINATION FOR THE AWARD OF DEGREE OF
MASTER OF SCIENCE IN ENVIRONMENTAL SCIENCE

ENSC 700: ECOLOGY AND ENVIRONMENT

STREAMS: MSC. (ENSC) Y1S1 TIME: 3 HOURS

DAY/DATE: TUESDAY 13/8/2013 8.30 A.M. - 11.30 A.M.
INSTRUCTIONS:

Answer all questions in Section A andany two in Section B.
Section A carries 20 marks and Section B 40 marks.

SECTION A (20 MARKS)

Q1. Briefly discuss the significance of gap-phase dynamics in rainforest diversity.
[5 marks]

Q2. Briefly describe four competition-based models leading to tree-grass persistence in savanna ecosystems. [8 marks]

Q3. Briefly explain the characteristics of two types of savannas based on moisture and nutrients availability to plants. [7 marks]

SECTION B (40 MARKS) (Answer any two (2) questions)

Q4. Discuss key strategic interventions needed to achieve sustainable and equitable water resource management in Sub-Saharan Africa. [20 marks]

Q5. Discuss the significance of carbon sequestration in maintenance of environmental integrity. [20 marks]

Q6. Citing appropriate examples, discuss the major causes of desertification in the Sub-Saharan Africa. [20 marks]

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Ensc 700: Ecology And Environment Question Paper

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