The Biology of Rarity

This book began life as a review article. That article spawned a symposium which was, in turn, greatly expanded to form the present volume. As the project moved through these developmental stages (hopefully, towards attainment of its full maturity), a number of people have provided invaluable assistance to us, and we would like to take this opportunity to thank them. Gordon Orians must certainly take a high place in that list. He has been both a friend and mentor to W.E.K., and many of the topics explored in this book have emerged from the resultant dialogue. His thought processes, ideas and perhaps even some of his turns of phrase emerge throughout much ofthe book. Gordon also played a pivotal role in inviting in motion, and so he has served as a catalyst the article that set this project to the book as well as one of its reagents. While he has not served as an editor of this book, he is one of its authors in more than just the literal sense.

Zusammenfassung
`...the content is excellent, with the editors contributing the bulk of the material...there is much original and useful material for most ecologist, and I can thoroughly recommend it.'
Journal of Animal Ecology


Inhalt
One: Rarity and RareCommon Differences.- 1 Introduction: on the causes and consequences of rarecommon differences.- 2 Rarecommon differences: an overview.- 3 What is rarity?.- 4 Who is rare? Artefacts and complexities of rarity determination.- Two: Mechanisms Creating RareCommon Differences.- 5 Who gets the short bits of the broken stick?.- 6 Speciation and rarity: separating cause from consequence.- 7 How do rare species avoid extinction? A paleontological view.- 8 Extinction risk and rarity on an ecological timescale.- 9 Population biology and rarity: on the complexity of density dependence in insectplant interactions.- 10 Genetic consequences of different patterns of distribution and abundance.- 11 Evolved consequences of rarity.- 12 Rarity and evolution: some theoretical considerations.- Three: Future Directions.- 13 Predicting and understanding rarity: the comparative approach.- 14 Concluding comments.

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