Detecting Ecological Impacts :Concepts and Applications in Coastal Habitats

Publication subTitle :Concepts and Applications in Coastal Habitats

Author: Schmitt   Russell J.;Osenberg   Craig W.  

Publisher: Elsevier Science‎

Publication year: 1996

E-ISBN: 9780080504070

P-ISBN(Paperback): 9780126272550

P-ISBN(Hardback):  9780126272550

Subject: X171.1 ecosystems and the ecological environment

Language: ENG

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Description

Detecting Ecological Impacts: Concepts and Applications in Coastal Habitats focuses on crucial aspects of detecting local and regional impacts that result from human activities. Detection and characterization of ecological impacts require scientific approaches that can reliably separate the effects of a specific anthropogenic activity from those of other processes. This fundamental goal is both technically and operationally challenging. Detecting Ecological Impacts is devoted to the conceptual and technical underpinnings that allow for reliable estimates of ecological effects caused by human activities. An international team of scientists focuses on the development and application of scientific tools appropriate for estimating the magnitude and spatial extent of ecological impacts. The contributors also evaluate our current ability to forecast impacts. Some of the scientific, legal, and administrative constraints that impede these critical tasks also are highlighted. Coastal marine habitats are emphasized, but the lessons and insights have general application to all ecological systems.

Chapter

SECTION I: AN INTRODUCTION TO ECOLOGICAL IMPACT ASSESSMENT PRINCIPLES AND GOALS

Chapter 1. Detecting Ecological Impacts Caused by Human Activities

The Need for Field Assessments

The (In-)Adequacy of Existing Field Assessment Designs

The Organization of This Book

References

Chapter 2. Goals in Environmental Monitoring

A Case for Confidence Intervals

Discussion

References

Chapter 3. Criteria for Selecting Marine Organisms in Biomonitoring Studies

What Should an "Indicator" Indicate?

Conclusions

References

Chapter 4. Impacts on Soft-Sediment Macrofauna: The Effects of Spatial Variation on Temporal Trends

Methods

Results

Discussion

References

Chapter 5. Scalable Decision Criteria for Environmental Impact Assessment: Effect Size,Type I, and Type II Errors

Components of a Decision

Problems with Traditional Decisions

New Decision Rules

Advantages of Liberating α

Some Problems with a Variable α

Summary

References

SECTION II: IMPROVING FIELD ASSESSMENTS OF LOCAL IMPACTS BEFORE-AFTER-CONTROL-IMPACT DESIGNS

Chapter 6. Detection of Environmental Impacts: Natural Variability, Effect Size, and Power Analysis

Methods

Results

Discussion

References

Chapter 7. Problems in the Analysis of Environmental Monitoring Data

Before–After Studies

Before–After–Control–Impact Paired Series Designs

Causal Uncertainty

Discussion

References

Chapter 8. Estimating the Size of an Effect from a Before–After–Control–Impact Paired Series Design: The Predictive Approach Applied to a Power Plant Study

Background on the Example Data Set

The Standard Approach—The Underlying Model and Implications

Difficulties with the Standard Approach

An Alternative: The Predictive Approach

Discussion

References

Chapter 9. On Beyond BACI: Sampling Designs That Might Reliably Detect Environmental Disturbances

Problems with Current Sampling Designs

Asymmetrical Sampling Design to Detect Environmental Impacts

Patterns in Analyses to Detect Environmental Impacts

Discussion

References

SECTION III: EXTENSION OF LOCAL IMPACTS TO LARGER SCALE CONSEQUENCES

Chapter 10. Determining the Spatial Extent of Ecological Impacts Caused by Local Anthropogenic Disturbances in Coastal Marine Habitats

Spatial Relationships among Physical and Ecological Variables Following a Local Disturbance

Life-History Attributes and the Dispersal of Ecological Impacts

Conclusions

References

Chapter 11. Predicting the Scale of Marine Impacts: Understanding Planktonic Links between Populations

Larval Transport Processes

Larval Attributes Contributing to Dispersal

The Relative Importance of Hydrodynamics and Biology

Requirements for Individual Monitoring or EIA Programs

Conclusions

References

Chapter 12. Influence of Pollutants and Oceanography on Abundance and Deformities of Wild Fish Larvae

Oceanographic Features and the Accumulation of Fish Larvae and Pollutants

Abundance Patterns of Fish Larvae in Plumes

Vulnerability of Fish Larvae to Pollutants

Deformities in Wild Larvae from Plumes

Caveats to Quantifying Deformities in Wild Fish Larvae and Other Approaches

Discussion

References

Chapter 13. Consequences for Adult Fish Stocks of Human-Induced Mortality on Immatures

Modeling Compensatory Processes in Fish Populations

Predicted Consequences of Increased Immature Mortality

Impact on Predators

Discussion

References

SECTION IV: THE LINK BETWEEN ADMINISTRATIVE ENVIRONMENTAL IMPACT STUDIES AND WELL-DESIGNED FIELD ASSESSMENTS

Chapter 14. The Art and Science of Administrative Environmental Impact Assessment

Administrative Environmental Review

Scientific Data Collection and Analyses in Environmental Impact Reports

The Need for Better Scientific Feedback in the EIA Process

Conclusions

References

Chapter 15. On the Adequacy and Improvement of Marine Benthic Pre-Impact Surveys: Examples from the Gulf of Mexico Outer Continental Shelf

Structure of the Review

Review Findings

Discussion

Conclusions

References

Chapter 16. Organizational Constraints on Environmental Impact Assessment Research

The Opportunity

Project Uncertainties

Institutional Uncertainties

Conclusions and Lessons

References

Chapter 17. Administrative, Legal, and Public Policy Constraints on Environmental Impact Assessment

Resolving Conflict through Comprehensive Environmental Assessment: The U.S. Offshore Oil Leasing Program

The Limitations of Public Environmental Assessment

Conclusion

References

Chapter 18. Predicted and Observed Environmental Impacts: Can We Foretell Ecological Change?

The San Onofre Nuclear Generating Station

Predicted Impacts

The Impacts That Were Detected

Predicted Effects versus "Reality" Do We Get It Right?

Conclusions and Recommendations

References

Glossary of Acronyms, Assessment Designs, and Organizations

Contributor Biographies

Author Index

Subject Index

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