London School of Economics and Political Science (LSE)

Modules

Economics, Management, Finance and the Social Sciences - Units

155 Biodiversity

This unit provides students with a broad background in the principles and theoretical underpinnings of the scientific study of biodiversity. This serves to give students a solid conceptual knowledge in  the disciplines of biogeography and ecology, building on the material covered in unit 149
Biogeography.

Prerequisite
If taken as part of a BSc degree, units which must be passed before this unit may be attempted:
149 Biogeography

Aims and objectives
Specific aims of the unit are:
􀂃 To identify patterns of biodiversity at regional and global levels and at small (local) scales.
􀂃 To enable students to consider the various concepts of biodiversity, the processes generate and maintaining biodiversity, and the issues surrounding the conservation of biodiversity for the future.
􀂃 To consider how the processes generating biodiversity interact across spatial and temporal scales.

Learning outcomes

At the end of the unit and having completed the essential reading and activities students should have:
􀀻 foundation knowledge of the range of autecological, population and community processes responsible for the variation and maintenance of patterns of biodiversity across different spatial and temporal scales
􀀻 an appreciation of the role of biodiversity in ecosystem functioning in general
􀀻 an appreciation of the complexity of ecological systems, and some of the different ways in which this complexity has been conceptualised.

Essential reading
Begon, M., C.R. Townsend and J.L. Harper Ecology: From Individuals to Ecosystems.
(Oxford: Blackwell, 2006) fourth edition [ISBN 9781405111171].
Cox, C.B. and P.D. Moore Biogeography: An Ecological and Evolutionary Approach.
(Oxford: Blackwell, 2005) seventh edition [ISBN 9781405118989].
Lomolino, M.V., B.R. Riddle and J.H. Brown Biogeography. (Sunderland, Mass.: Sinauer Associates, 2005) third edition [ISBN 9780878930623].

Assessment

This unit is assessed by a three hour unseen written examination.

Students should consult the Programme Regulations for degrees and diplomas in Economics, Management, Finance and the Social Sciences that are reviewed annually. The Prerequisites, Exclusions, and Syllabus are subject to confirmation in the Regulations. Notice is also given in the Regulations of any units which are being phased out and students are advised to check  unit availability.

Syllabus

This is a description of the material to be examined, as published in the Regulations. On registration, students will receive a detailed subject guide which provides a framework for  covering the topics in the syllabus and directions to the essential reading The questions ‘why are there so many species?’, or, conversely, ‘why aren’t there just a very few, very widely-distributed, dominant species?’ remain at the forefront of contemporary ecology; satisfactorily resolving this issue is of conceptual and practical importance. This unit considers these questions from a range of different
perspectives.

It considers the various concepts of biodiversity, the processes generating and maintaining biodiversity, and the issues surrounding the conservation of biodiversity for the future. At regional and global levels,patterns of biodiversity are usually the result of evolutionary and geological factors while at smaller (local) scales they are the result of ecological processes and interactions.

Therefore, consideration will be given to the processes generating and maintaining biodiversity at a wide range of spatiotemporal scales (from single years to millions of years and from individual organisms to the entire globe).

This unit provides the necessary background to understand some of the most important problems in contemporary ecology and to understand other important principles and theories in ecology.

Specifically, the unit covers:
􀂃 The Ecosystem Concept and Scale
􀂃 Species and Speciation
􀂃 Historical Biogeography: Patterns of Global Diversity
􀂃 Island Ecosystems, Island Biogeography and Reserve Design
􀂃 Population Regulation: Limits to Growth and Life History Trade-offs
􀂃 Interspecific Interactions: Competition and Predation
􀂃 Succession and Climax: Temporal
Dynamics in Ecological Communities
􀂃 Equilibrium and Non-equilibrium Models of Biodiversity
􀂃 Conclusions: Where Are We Going?

 

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