Committee on the Assessment of the Cumulative Effects of Anthropogenic Stressors on Marine Mammals's Books

Approaches to Understanding the Cumulative Effects of Stressors on Marine Mammals

By: National Academies of Sciences, Engineering, and Medicine,Division on Earth and Life Studies,Ocean Studies Board,Committee on the Assessment of the Cumulative Effects of Anthropogenic Stressors on Marine Mammals

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Approaches to Understanding the Cumulative Effects of Stressors on Marine Mammals

Marine mammals face a large array of stressors, including loss of habitat, chemical and noise pollution, and bycatch in fishing, which alone kills hundreds of thousands of marine mammals per year globally. To discern the factors contributing to population trends, scientists must consider the full complement of threats faced by marine mammals. Once populations or ecosystems are found to be at risk of adverse impacts, it is critical to decide which combination of stressors to reduce to bring the population or ecosystem into a more favorable state. Assessing all stressors facing a marine mammal population also provides the environmental context for evaluating whether an additional activity could threaten it. Approaches to Understanding the Cumulative Effects of Stressors on Marine Mammals builds upon previous reports to assess current methodologies used for evaluating cumulative effects and identify new approaches that could improve these assessments. This review focuses on ways to quantify exposure-related changes in the behavior, health, or body condition of individual marine mammals and makes recommendations for future research initiatives.

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147

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National Academies Press

Published Date

ISBN 10

0309440513

ISBN 13

9780309440516

Approaches to Understanding the Cumulative Effects of Stressors on Marine Mammals

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Approaches to Understanding the Cumulative Effects of Stressors on Marine Mammals

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N/A

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Page Count

147

Publisher

National Academies Press

Published Date

ISBN 10

0309440513

ISBN 13

9780309440516

Marine Mammal Populations and Ocean Noise

Determining When Noise Causes Biologically Significant Effects

By: National Research Council,Division on Earth and Life Studies,Ocean Studies Board,Committee on Characterizing Biologically Significant Marine Mammal Behavior

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Marine Mammal Populations and Ocean Noise

Determining When Noise Causes Biologically Significant Effects

By: National Research Council,Division on Earth and Life Studies,Ocean Studies Board,Committee on Characterizing Biologically Significant Marine Mammal Behavior

Attention has been drawn to the subject of how ocean noise affects marine mammals by a series of marine mammal strandings, lawsuits, and legislative hearings, and most recently, the report from the U.S. Commission on Ocean Policy. One way to assess the impact of ocean noise is to consider whether it causes changes in animal behavior that are "biologically significant," that is, those that affect an animal's ability to grow, survive, and reproduce. This report offers a conceptual model designed to clarify which marine mammal behaviors are biologically significant for conservation purposes. The report is intended to help scientists and policymakers interpret provisions of the federal Marine Mammal Protection Act.

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143

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National Academies Press

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ISBN 10

0309094496

ISBN 13

9780309094498

Book's by Committee on the Assessment of the Cumulative Effects of Anthropogenic Stressors on Marine Mammals

Approaches to Understanding the Cumulative Effects of Stressors on Marine Mammals

Approaches to Understanding the Cumulative Effects of Stressors on Marine Mammals

Approaches to Understanding the Cumulative Effects of Stressors on Marine Mammals

Approaches to Understanding the Cumulative Effects of Stressors on Marine Mammals

Marine Mammal Populations and Ocean Noise

Marine Mammal Populations and Ocean Noise

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