[MARMAM] Release of updated Marine Mammal Movement and Behavior (3MB) simulation software

Dorian Houser dorian.houser at nmmpfoundation.org
Mon Apr 14 09:55:25 PDT 2014

The National Marine Mammal Foundation is happy to make available the most
recent release of the Marine Mammal Movement and Behavior (3MB) software
package. The 3MB software is a component of the Effects of Sound on the
Marine Environment (ESME) software package but is also available as a
stand-alone package. This announcement is for the stand-alone package of

The 3MB software allows the creation of simulated aquatic species, or
animats. Each animat consists of a series of behavioral states with
probabilities of transition between states that can be modified according
to abiotic factors (e.g. time of day, bathymetry). Each behavioral state
contains controls for dictating the various components of an animat's dive
behavior, including depth, ascent and descent speed, horizontal rate of
travel, surface time, etc. Animat movements may also be constrained by
bathymetric features and animats can be made responsive to simulated sound
exposures. Furthermore, animats may function as individuals or be
constrained to "pod" behavior.

The 3MB software permits the exploration of species dive behavior and
provides an approach to estimating acoustic impacts to marine mammals when
integrated with a suitable sound propagation model. Simple sound sources
are made available in 3MB and a suite of "aversive" behaviors that are
triggered above a threshold response can be programmed by the user. This
permits the exploration of possible response scenarios to sound exposure,
including the potential for beaching.

The 3MB software package may be obtained from the Ocean Acoustics Library
site, which is hosted by Heat, Light and Sound, Inc. (
http://oalib.hlsresearch.com/). The package contains the following:

Marine Mammal Movement and Behavior (3MB) executable

Species Builder executable

Bathymetry files (Bahamas, Mid-Atlantic Bight, Southern California Bight)

Sound Source files (one mobile and one stationary sound source)

Species files

User Manual

MatLab scripts (for processing 3MB output files)

The 3MB software is free to the public. Its development was made possible
by support from the Office of Naval Research (ONR) Marine Mammals and
Biology (MMB) program.

If you find bugs or errors in the software, please report them to
matt.cross at nmmf.org.  Recommendations for feature enhancements should be
sent to dorian.houser at nmmf.org.


Dorian S. Houser, Ph.D.

Director of Conservation and Biological Research

National Marine Mammal Foundation

Dorian S. Houser, Ph.D.
Director of Conservation and Biological Research
877-360-5527 ext.112
dorian.houser at nmmfoundation.org

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