Ecology has long been shaped by ideas that stress the sharing
of resources and the competition for those resources, and by the
assumption that populations and communities typically exist under
equilibrium conditions in habitats saturated with both individuals
and species. However, much evidence contradicts these assumptions
and it is likely that nonequilibrium is much more widespread than
might be expected. This book is unique in focusing on
nonequilibrium aspects of ecology, providing evidence for
nonequilibrium and equilibrium in populations and
metapopulations, in extant communities and in ecological systems
over evolutionary time, including nonequilibrium due to recent and
present mass extinctions. The assumption that competition is of
overriding importance is central to equilibrium ecology, and much
space is devoted to its discussion. As communities of some taxa
appear to be shaped more by competition than others, an attempt is
made to find an explanation for these differences.
目錄：
Introduction
1. Concepts and problems
2. Nonequilibrium in communities
3. Interspecific competition: definition and effects on
species
4. Interspecific competition: effects in communities and
conclusion
5. Non-competitive mechanisms responsible for niche restriction and
segregation
6. Patterns over evolutionary time, present mass-extinctions
7. Some detailed examples at the populationmetapopulation
level
8. Some detailed examples at the community level
9. Some detailed biogeographicalmacroecological patterns
10. An autecological comparison: the ecology of aspidogastrea
11. What explains the differences found? A summary, and prospects
for an ecology of the future
acknowledgments
References.
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