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Plant Variation and Evolutionby David Briggs
Synopses & ReviewsPublisher Comments:Natural populations of plants show intricate patterns of variation. European botanists of the eighteenth and nineteenth centuries used this variation to classify different "kinds" into a hierachy of family, genus, and species. Although useful, these classifications were based on a belief in the fixity of species and the static patterns of variation. Darwin's theory of evolution changed this view; populations and species varied in time and space and were part of a continuing process of evolution. The development of molecular techniques has transformed our understanding of microevolution and the evolutionary history of the flowering plants. This revised, extended edition describes the historical background to plant variation studies and considers the remarkable insights that molecular biology has recently given into the processes of evolution in populations of cultivated, wild and weedy species; the threats of extinction faced by many endangered species and the wider evolutionary history of the flowering plants as revealed by cladistic methods. Review:"This new edition of a well-known work on plant evolutionary biology reviews both population-level processes and the evolution of species and higher taxa. Evolutionary principles are illustrated with a wide variety of examples, with studies published during different periods and using different techniques combined to give a much broader, more balanced view of the field than most other books, and with emphasis on the historical development of modern concepts... Teachers and researchers will value this book for its broad coverage of plant evolution, its citation of many studies illustrating evolutionary principles, and its citations of review articles covering many branches of evolutionary botany." Choice Synopsis:Considers how the study of variation in plants has developed over the last 300 years. Description:Includes bibliographical references (p. 438-497) and index. Table of ContentsPreface; Acknowledgements; Note on names of plants; 1. Looking at variation; 2. From Ray to Darwin; 3. Early work on biometry; 4. Early work on the basis of individual variation; 5. Post-Darwinian ideas about evolution; 6. Modern views on the basis of variation; 7. Breeding systems; 8. Infraspecific variation and the ecotype concept; 9. Recent advances in genecology; 10. Species and speciation; 11. Gradual speciation and hybridisation; 12. Abrupt speciation; 13. The species concept; 14. Evolution: some general considerations; 15. Conservation: confronting the extinction of species; Glossary; References; Index.
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