Estimating animal population density using passive acoustics

TA Marques, L Thomas, SW Martin… - Biological …, 2013‏ - Wiley Online Library
Reliable estimation of the size or density of wild animal populations is very important for
effective wildlife management, conservation and ecology. Currently, the most widely used …

An overview of fixed passive acoustic observation methods for cetaceans

DK Mellinger, KM Stafford, SE Moore, RP Dziak… - Oceanography, 2007‏ - JSTOR
METHODS Fixed passive acoustic surveys require several steps, including survey design,
placement and sometimes recovery of recording instruments, extraction of vocalizations of …

Increases in deep ocean ambient noise in the Northeast Pacific west of San Nicolas Island, California

MA McDonald, JA Hildebrand… - The Journal of the …, 2006‏ - pubs.aip.org
Recent measurement at a previously studied location illustrates the magnitude of increases
in ocean ambient noise in the Northeast Pacific over the past four decades. Continuous …

High-frequency Acoustic Recording Package (HARP) for broad-band, long-term marine mammal monitoring

SM Wiggins, JA Hildebrand - … and workshop on scientific use of …, 2007‏ - ieeexplore.ieee.org
Advancements in low-power and high-data-capacity consumer computer technology during
the past decade have been adapted to autonomously record sounds from marine mammals …

Blue and fin whale call source levels and propagation range in the Southern Ocean

A Širović, JA Hildebrand, SM Wiggins - The Journal of the Acoustical …, 2007‏ - pubs.aip.org
Blue (Balaenoptera musculus) and fin whales (B. physalus) produce high-intensity, low-
frequency calls, which probably function for communication during mating and feeding. The …

An ecological acoustic recorder (EAR) for long-term monitoring of biological and anthropogenic sounds on coral reefs and other marine habitats

MO Lammers, RE Brainard, WWL Au… - The Journal of the …, 2008‏ - pubs.aip.org
Kee** track of long-term biological trends in many marine habitats is a challenging task
that is exacerbated when the habitats in question are in remote locations. Monitoring the …

[PDF][PDF] A review and inventory of fixed autonomous recorders for passive acoustic monitoring of marine mammals

RS Sousa-Lima, TF Norris, JN Oswald… - Aquatic …, 2013‏ - academia.edu
Fixed autonomous acoustic recording devices (autonomous recorders [ARs]) are defined as
any electronic recording system that acquires and stores acoustic data internally (ie, without …

Studying the behaviour and sensory ecology of marine mammals using acoustic recording tags: a review

M Johnson, NA de Soto, PT Madsen - Marine Ecology Progress Series, 2009‏ - int-res.com
Many marine animals use sound passively or actively for communication, foraging, predator
avoidance, navigation, and to sense their environment. The advent of acoustic recording …

Seasonality of blue and fin whale calls and the influence of sea ice in the Western Antarctic Peninsula

A Širović, JA Hildebrand, SM Wiggins… - Deep Sea Research …, 2004‏ - Elsevier
The calling seasonality of blue (Balaenoptera musculus) and fin (B. physalus) whales was
assessed using acoustic data recorded on seven autonomous acoustic recording packages …

Worldwide decline in tonal frequencies of blue whale songs

MA McDonald, JA Hildebrand, S Mesnick - Endangered species …, 2009‏ - int-res.com
Blue whale Balaenoptera musculus songs can be divided into at least 10 types worldwide,
each type retaining the same units and similar phrasing over decades, unlike humpback …