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Tropical Streams: Diversity and Uniqueness

Coming Soon

By: Alan Paul Covich(Author)

300 pages, 45 b/w illustrations

CRC Press

Hardback | Feb 2018 | #235297 | ISBN-13: 9781466592575
Available for pre-order: Details
NHBS Price: £88.99 $116/€101 approx

About this book

Tropical streams and streams, in general, are sentinels of change and, as such, provide an early warning system for environmental health. In particular, tropical streams are unique because they harbor enormous biodiversity. Tropical Streams compares and contrasts low latitude vs. higher latitude streams with respect to both abiotic and dynamic biotic factors.


Contents

Introduction
- Objectives and audiences
- Previous studies and overview

Physical template of tropical catchments
- Geological history, origins of stream network and geomorphology
- Climatic and hydrologic variability
- Chemical differences among headwater and lowland streams
- Size of catchments: insular and continental catchments
- Effect of future climate change, sea-level rise

Biodiversity. endemism, and evolution of new species
- Different scales of biodiversity at elevational gradients
- Latitudinal gradients in local species diversity in stream networks
- Latitudinal gradients in regional species diversity in large networks
- Dispersal and adaptations for variable environmental conditions
- Endemism in tropical streams

Food-web organization
- Energy flow, trophic structure, and species-specific connections
- Food-web hierarchical structure and compartmentalization
- Processing chains: linked primary producers, grazers and detritivores
- Trophic cascades: top-down effects of predators

Productivity, organic matter dynamics
- Primary and secondary productivity
- Organic matter sources: seasonal inputs and litter retention
- Organic matter processing: microbes and macro-invertebrates
- Nutrient cycling and co-limitation

Responses to natural disturbances and effects on ecosystem services
- Resiliency of species following floods, droughts, hurricanes
- Roles of species in providing goods and services
- Loss of biodiversity and effects on ecosystem services

Conclusions
- Lessons learned from regional comparisons
- Adaptive planning for sustaining future stream ecosystems


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