Biodiversity Dynamics and Conservation: The Freshwater Fish of Tropical Africa

Przednia okładka
Cambridge University Press, 13 maj 1997 - 438
0 Recenzje
In order for biodiversity to be conserved, it is important to know how and where diverse populations of plants and animals exist, to understand the effects of human impacts on them, and to find the means by which these impacts can be lessened and even reversed. While tropical systems are known to be among the most diverse and most threatened globally, tropical freshwater systems have been neglected, and the tremendous variety of fish, amphibians, invertebrates and plants that live in them are poorly known yet seriously threatened. This comprehensive book brings together a wealth of information on the fish of tropical African systems, and discusses how these systems evolved, what holds them together, and what is tearing them apart.
 

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Spis treści

The diversity and variability of freshwater ecosystems in tropical Africa
3
The fish fauna of Africa
17
Genetic diversity and mechanisms of speciation
40
evolution at work
57
Classification of diversity
81
Chance and challenge in a changing environment
93
Diversity of growth and feeding behaviours
125
Diversity of reproductive strategies and life histories
158
Equilibrium processes of species richness and diversity
233
Diversity of habitats temporal change and assemblage dynamics
250
Fish diversity and ecosystem functioning
272
The threats to fish biodiversity
287
The economic role of fish biodiversity
326
Conservation options
341
Bibliography
363
Species index
423

Diversity of responses to environmental constraints
188
Fish assemblages in tropical Africa
205

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