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Tuesday, October 29, 2019

[ PDF ] Marine Mammal Populations and Ocean Noise: Determining When Noise Causes Biologically Significant Ef Now



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Date : 2005-02-24

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Marine Mammal Populations and Ocean Noise Determining ~ Marine Mammal Populations and Ocean Noise Determining When Noise Causes Biologically Significant Effects problem in determining the biological significance of marine mammal Source

Marine Mammal Populations and Ocean Noise Determining ~ 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 Commission on Ocean Policy

Marine Mammal Populations and Ocean Noise Determining ~ Determining When Noise Causes Biologically Significant Effects The Marine Mammal Protection Act limits noise in the ocean when it disrupts biologically significant behavior such as reproduction of marine mammals This report from the National Academies clarifies when changes in behavior rise to the level of being biologically significant

Marine Mammal Populations and Ocean Noise Determining ~ NOTICE The project that is the subject of this report was approved by the Governing Board of the National Research Council whose members are drawn from the councils of the National Academy of Sciences the National Academy of Engineering and the Institute of Medicine The members of the committee

Marine Mammal Populations and Ocean Noise Determining ~ The 2003 National Research Council report Ocean Noise and Marine Mammals attempted to quantify the world oceannoise budget between 1 and 200000 Hz with particular attention to habitats that are important to marine mammals NRC 2003b The basic question it addressed was the overall impact of humanmade sound on the marine environment

Read Marine Mammal Populations and Ocean Noise ~ FIGURE 31 The conceptual Population Consequences of Acoustic Disturbance model describes several stages required to relate acoustic disturbance to effects on a marine mammal population Five groups of variables are of interest and transfer functions specify the relationships between the variables listed for example how sounds of a given frequency affect the vocalization rate of a given

References Marine Mammal Populations and Ocean Noise ~ Read chapter References Attention has been drawn to the subject of how ocean noise affects marine mammals by a series of marine mammal strandings Login Register Cart Help Marine Mammal Populations and Ocean Noise Determining When Noise Causes Biologically Significant Effects 2005

Potential effects of sound on marine mammals – Discovery ~ Potential effects of sound on marine mammals What are the potential effects of sound on marine mammals How does anthropogenic humangenerated sound affect marine animals The ocean is full of both natural and anthropogenic sources of sound see What are common underwater soundsMuch attention has recently been focused on anthropogenic sources of sound in the ocean and their potentially

Masking in Mammals – Discovery of Sound in the Sea ~ Masking in Mammals Masking occurs when noise interferes with an animal’s ability to to perceive Ocean noise and marine mammals Washington DC Marine mammal populations and ocean noise determining when noise causes biologically significant effects Washington DC National Academies Press

Marine Mammals and Biology Office of Naval Research ~ The Marine Mammals and Biology MMB program supports basic and applied research and technology development related to understanding the effects of sound on marine mammals including physiological behavioral ecological and populationlevel effects


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