Aquatic ecosystems / Sheila A. Browne, editor.

Format:

Book

Contributor:

Browne, Sheila A.

Series:

Marine biology (New York (N.Y.))

Environmental science, engineering and technology series.

Marine biology

Environmental science, engineering and technology

Language:

English

Subjects (All):

Aquatic ecology.

Aquatic biodiversity.

Physical Description:

1 online resource (243 p.)

Edition:

1st ed.

Place of Publication:

New York : Nova Science Publishers, c2012.

Language Note:

English

Summary:

In this book, the authors present topical research in the study of aquatic ecosystems of which there are two main types: marine ecosystems and freshwater ecosystems. It discusses topics that include a change of biodiversity in subarctic freshwater ecosystems located in the northwest region of Russia; assemblages of zoosporic true fungi, heterotrophic straminipiles and plasmodiophorids in freshwater ecosystems; and, aquatic ecosystem health and the causes, effects and rehabilitation of the eutrophication of aquatic ecosystems.

Contents:

Intro

AQUATIC ECOSYSTEMS

Library of Congress Cataloging-in-Publication Data

CONTENTS

PREFACE

Chapter 1 ASSEMBLAGES OF ZOOSPORIC TRUE FUNGI, HETEROTROPHIC STRAMINIPILES AND PLASMODIOPHORIDS IN FRESHWATER ECOSYSTEMS

ABSTRACT

INTRODUCTION

PHYLOGENY

DISTRIBUTION AND BIOGEOGRAPHY

ECOLOGICAL ROLES

Role in Food Webs

Saprobes

(i) Degradation of Cellulose Debris: Relative Importance in Decomposition of Leaves

(ii) Degradation of Chitin and Keratin Substrates

Parasites

Mutualists

Zoospores as Food Sources

Diversity

Diversity Associated with Environmental and Biological Factors

(i) Environmental Factors

Temporal Fluctuations: Diurnal

Temporal Fluctuations: Seasonal

Spatial Distribution

(ii) Biological Factors

CONCLUSION

REFERENCES

Chapter 2 AQUATIC ECOSYSTEM HEALTH: A REVIEW

BACKGROUND

CONCEPT AND DEFINITION

WHAT CAN WE EXPECT FROM THIS CONCEPT OF ECO- SYSTEM HEALTH?

ECOSYSTEM HEALTH AND ECOLOGICAL POLICY

ON THE PRETEXT OF ECOSYSTEM HEALTH UNDERSTANDING ECOSYSTEM CONCEPT

1. Model of Succession-to-Climax

2. Multiple Equilibria and Resilience in Non-Linear Dynamics

3. The Population Community Interaction or Diversity-Stability Model

4. Self-Organisation, Emergence and Thermodynamics

5. The Use of Emergy, Exergy and Ascendancy in Ecosystem Model to Assess the Health

6. Order, Chaos and Complexity

7. Model of Adaptive Cycle

8. Catastrophes, Bifurcations and Uncertainty

9. PSER Model

10. DPSEEA Model

11. Butterfly and Prism Models

12. MA Framework Model

ECOLOGICAL RISK, RISK ASSESSMENT AND MANAGEMENT

Ecological Risk Assessment (ERA)

Problem Formulation

Endpoints Assessment

Conceptual Model

Analysis Plan

Risk Characterization

Risk Estimation.

Ecological Risk Management (ERM)

Chapter 3 THE EUTROPHICATION OF AQUATIC ECOSYSTEMS: CAUSES, EFFECTS AND REHABILITATION

1. INTRODUCTION

2. HISTORY OF EUTROPHICATION

3. LAKES EVOLUTIONS

4. SOURCES OF LAKE EUTROPHICATION PROBLEMS

5. STAGES OF THE EUTROPHICATION PROCESS

6. CONSEQUENCES OF EUTROPHICATION OF AQUATIC ECOSYSTEMS

7. EUTRPHICATION PREVENTION AND CONTROL

8. TECHNIQUES FOR RESTORATION OF EUTROPHIC AQUATIC ECOSYSTEMS

8.1. Precipitation and Inactivation of Phosphorus

Applicability

Advantages

Disadvantages

Conclusion

8.2. Sediment Removal

8.3. Dilution

8.4. Artificial Circulation

8.5. Hypolimnion Aeration

8.6. Biomanipulation

ACKNOWLEDGMENTS

Chapter 4 PECULIARITIES OF AQUATIC ECOSYSTEMS FUNCTIONING WITH ANTHROPOGENIC IMPACT: (THERMODYNAMIC ASPECT)

RESULTS AND DISCUSSION

Chapter 5 CYCLIC RECURRENCE OF INTRARESERVOIR PROCESSES WHEN ANTHROPOGENIC IMPACT OCCURS ON FRESHWATER ECOSYSTEMS

1. OPTICAL MODEL FOR THE CALCULATION OF SPECTRA OF BRIGHTNESS COEFFICIENTS OF RADIATION UPWELLING FROM WATER

2. EXPERIMENTAL AND MODEL SPECTRA OF BC

3. DETERMINATIONS AND PRINCIPLES OF THE CONSTRUCTION OF SPACES OF OPTICAL IMAGES

4. CYCLIC RECURRENCE OF INTRARESERVOIR PROCESSES INFERRED FROM REMOTE SENSING SPECTROMETRY IN EUTROPHIC RESERVOIR AND MODEL ECOSYSTEMS

5. ECOLOGICAL HYSTERESIS

REFERENCES.

Chapter 6 CHANGE OF BIODIVERSITY OF SUBARCTIC FRESHWATER ECOSYSTEMS: CASE STUDY RUSSIAN NORTH-WEST REGION

OBJECTS AND METHODS

THE BRIEF CHARACTERISTIC OF NATURAL STRUCTURE OF FLORA AND FAUNA

TOXIC IMPACTS

EUTROPHICATION

THERMAL POLLUTION

ACIDIFICATION

INDEX.

Notes:

Description based upon print version of record.

Includes bibliographical references and index.

Description based on print version record.

ISBN:

1-62081-487-0

OCLC:

923664967