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Tropical Asian Streams

Zoobenthos, Ecology and Conservation

David Dudgeon

Publication Year: 1999

This book deals with the ecology of rivers and streams in the Oriental Region, and describes the composition of their unique fauna - especially the diverse array of animals which live on and among the bottom sediments.

Published by: Hong Kong University Press, HKU

Title Page, Copyright

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Contents

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pp. v-ix

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Preface

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pp. xi-xii

A personal note. I started this book in October 1995, labouring under the naive conviction that it would take me about a year to complete. The absurdity of this belief soon became evident, and I did not finish writing until Chinese New Year, 1998. By that time, I had long since come to think of the book as my personal...

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Chapter 1. Introduction

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pp. 1-5

We know surprisingly little about the ecology of tropical freshwaters in general, and tropical Asian rivers and streams in particular. This is despite the dependence of humans, livestock and agriculture upon streams and rivers in a region which is poor in natural lakes. The reliance is increased by the monsoonal...

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Chapter 2. Scope

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pp. 7-11

In 1984, the Brazilian limnologist J.G. Tundisi wrote of the general perception that our knowledge of tropical freshwaters was far less than was required to understand the mechanisms and processes operating in these ecosystems (Tundisi, 1984). It is certainly less than is desirable and needed for their proper...

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Chapter 3. Ecological Overview

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pp. 13-91

The countries of tropical Asia have extensive freshwater resources (summarized by Ali et al., 1987) which are being used increasingly for development purposes. Jalal (1987) records that Bangladesh has over 50 important rivers; India, 400; Indonesia, 200; and Thailand, 10. Six of the longest rivers in the world...

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Chapter 4. The Zoobenthos: A Systematic Review

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pp. 93-518

They can be divided informally into two large groups: the lower and the higher invertebrates. The category 'lower invertebrates' includes all invertebrates except molluscs and arthropods, and is less speciose than the 'higher' grouping. For convenience, my treatment of the zoobenthos will begin with a key to the major groups of lotic macroinvertebrates...

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Chapter 5. Anthropogenic Threats

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pp. 519-575

Human influences on tropical Asian rivers are all-pervasive, and reflect the development of ancient civilizations around the great Asian rivers — for example, the Harappa and Mohenjodaro cultures along the banks of the Indus — coupled with increasing use of the region's extensive freshwater resources...

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Chapter 6. Experimental Design and Detection of Anthropogenic Impacts in Streams

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pp. 577-595

Our ability to predict and ameliorate or mitigate the effects of human activities on stream and rivers depends upon an understanding of the ecology of these systems. If we do not know what the ecological 'rules of existence' might be for the biota of tropical Asian rivers and streams, we are in no position to formulate...

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Chapter 7. Process-Orientated Studies in Stream Ecology

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pp. 597-610

Assessment of environmental impacts is an important part of the activities of many stream biologists, but empirical studies of impacts need to be buttressed by process-orientated studies that investigate the mechanisms underlying the changes caused by the impact. Obviously, if we are to make well-founded...

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Chapter 8. Concluding Remarks

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pp. 611-615

Even if the research strategies advocated in Chapters 6 and 7 of this book were taken up by biologists, stream conservation will be possible only when they are combined with a move beyond the bailiwick of science into the political arena. If they are to succeed, ecologically-viable management strategies for...

References

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pp. 617-775

Subject Index

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pp. 777-788

Organism Index

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pp. 789-830


E-ISBN-13: 9789882202962
Print-ISBN-13: 9789622094697

Page Count: 844
Publication Year: 1999

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Subject Headings

  • Stream ecology -- Asia.
  • Stream conservation -- Asia.
  • Benthos.
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