Stream Ecology and Self-Purification : An Introduction for Wastewater book cover
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Stream Ecology and Self-Purification
An Introduction for Wastewater



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ISBN 9781566763776
Published July 1, 1996 by CRC Press
133 Pages

 
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Book Description

From the Preface

This text is designed to provide a fundamental knowledge of the phenomenon known as self-purification in streams. Sufficient background information and references on stream ecology and self-purification are presented to provide readers with an understanding of the various concepts under discussion. Moreover, along with the stream self-purification process and biological indication of stream health, water quality and source sampling are discussed in depth.

Wastewater and water treatment personnel, students, specialists, water resource managers, ecologists, regulators, and water pollution control personnel concerned with activities and preventive measures to prevent stream pollution will find this consolidated information important. Other professional wastewater- and water-related staff from governmental agencies, municipal water supply and wastewater systems, public health departments, and environmental health agencies will also find the information valuable. This text, however, is also intended for readers and groups interested in and concerned with stream pollution and stream contamination control.

This text can be used as a basic or supplemental text in undergraduate and technical school courses in aquatic ecology or stream quality enhancement and protection. It can also be consulted as an environmental reference text by school, municipal, and water resource professionals.

Table of Contents

Preface
Acknowledgements
1. INTRODUCTION
Definition of Key Terms
Levels of Organization
Ecosystem
Summary of Key Terms


2. BIOGEOCHEMICAL CYCLES
Carbon Cycle
Nitrogen Cycle
Phosphorus Cycle
Sulfur Cycle
Summary of Key Terms


3. ENERGY FLOW IN THE ECOSYSTEM
Food Chain Efficiency
Ecological Pyramids
Productivity
Summary of Key Terms


4. POPULATION ECOLOGY
Distribution
Population Growth
Population Response to Stress
Summary of Key Terms


5. WATER
Water
Water, or Hydrologic, Cycle
Summary of Key Terms


6. FRESHWATER ECOLOGY
Normal Stream Life
Freshwater Ecology
Lentic Habitat
Lotic Habitat
Classification of Aquatic Organisms Based on Mode of Life Limiting Factors
Temperature
Light
Water
Movement
Turbidity
Dissolved Respiratory Gases
Biogenic Salts
Lentic Communities
Classification of Lakes
Classification of Lakes Based on Eutrophication
Special Types of Lakes
Impoundments (Shut-Ins)
Summary of Key Terms


7. STREAM ECOLOGY
Stream (Lotic Ecosystems) Aquatic Pollutants
pH
Thermal Pollution
Chemical Toxins
Heavy Metals
Summary of Key Terms


8. SELF-PURIFICATION OF STREAMS
Sources of Pollution
Stream Ecosystem
Stream Pollution
Definition of Terms
Organisms and Their Role in Self-Purification
Biotic Index
Oxygen Sag (Deoxygenation)
Other Factors Affecting DO Levels in Streams
Impact of Wastewater Treatment on DO Levels in the Stream
Variables That Improve and Degrade Stream Quality
Stream Purification: A Quantitative Analysis
Example 1
Example 2
Summary of Key Terms


9. BIOLOGICAL SAMPLING
Sampling Locations (Stations)
Statistical Concepts
Example 3
Example 4
Sample Collection
Sampling Devices
Dissolved Oxygen and Temperature
Monitor Sampling
Nets
Sediment
Sampler
Water Sampler
Plankton Sampler
Secchi Disk
Miscellaneous Sampling
Equipment Preservation
Sorting the Collection
Preparing the Collection for Study
Summary



Review Questions
Answers to Review Questions
References
Index

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