Ecological Genetics addresses the fundamental problems of which of the many molecular markers should be used and how the resulting data should be analysed in clear, accessible language, suitable for upper--level undergraduates through to research--level professionals. * A very accessible straightforward text to deal with this difficult topic -- applying modern molecular techniques to ecological processes. * Written by active researchers and teachers within the field. * There will be an accompanying web site managed by the authors, comprising of worked examples, test data sets and hyperlinks to relevant web pages. (Bookdata)