Conservation biology
A Lill
4 points * Two 1-hour lectures and one 2.5 hour practical * Second semester * Clayton
Objectives Students completing this subject should be aware of the dramatic rate of species extinctions and the role of human activities in the extinction process; understand the reasons for and consequences of these extinctions; have a sound knowledge of conservation methods used to prevent further loss of species; understand the special problems involved in trying to conserve endangered species.
Synopsis This subject deals with the environmental problems caused by humans and solutions that can be used to redress them. After a review of species extinction rates on evolutionary and historical time scales, the magnitude and effects of the factors responsible for the recent dramatic loss of plant and animal species are examined. These are habitat destruction and degradation; pollution of aquatic and terrestrial environments and the atmosphere; the introduction of exotic species; over-exploitation of natural resources. Conservation measures to reduce or eliminate the cause of species extinctions are discussed. The subject deals with topics as diverse as woodchipping, the greenhouse effect, rabbit plagues and wildlife sanctuaries. The role of conservation methods, such as captive breeding and reintroduction of endangered species and the storage of genetic material in seed and clone banks, is reviewed. The special problems involved in trying to assess the viability and conservation of endangered species are examined. Practical work complements lecture topics and includes a small project and a design exercise.
Assessment Examination (1.5 hours): 50% * Practical work, projects and tests: 50%
Prescribed texts
Primack R Essentials of conservation biology Sinauer, 1993
Recommended texts
Morgan M D and others Environmental science: Managing biological and physical resources Brown, 1993
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