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Publications by Northeast Passive Acoustics Branch Staff

We regularly publish their findings in scientific journals and Center-produced documents.
May 19, 2023 - Peer-Reviewed Research ,

Estimating Abundance of Fish Associated With Structured Habitats by Combining Acoustics and Optics

This acoustic–optical survey method provides data that are vital for the assessment of fish species in ecosystems which are difficult, or impossible for certain species, to survey with existing methods.
May 01, 2023 - Peer-Reviewed Research ,

Age, Growth, and Reproduction of the Yellow-Edged Lyretail Variola louti (Forssakal, 1775)

The first life history for the Variola genus and important biological information provided for local management and stock assessments
April 27, 2023 - Peer-Reviewed Research ,

Terrestrial Pathogen Pollutant, Toxoplasma gondii, Threatens Hawaiian Monk Seals (Neomonachus schauinslandi) Following Heavy Runoff Events Journal of Wildlife Diseases

To understand environmental factors influencing Hawaiian monk seal exposure to Toxoplasma gondii, we examined monk seal strandings from toxoplasmosis in relationship to location and rainfall patterns throughout the main Hawaiian Islands.
April 25, 2023 - Peer-Reviewed Research ,

Influence of El Niño-Southern Oscillation on Bigeye and Yellowfin Tuna Longline Catch per Unit Effort in the Equatorial Pacific

In this study, we investigate the statistical relationships between past ENSO conditions and equatorial fisheries using the Multivariate ENSO Index, sea surface temperature (SST), and catch and effort records from the longline fisheries in the region.
April 22, 2023 - Peer-Reviewed Research ,

Geographic variation in Risso's dolphin echolocation click spectra

This study investigates using clicks for species and population identification by characterizing the spectral structure of Risso's dolphin echolocation clicks recorded over wide-ranging geographic regions.
April 14, 2023 - Peer-Reviewed Research ,

Estimating Precision and Accuracy of Automated Video Post-processing: A Step Towards implementation of AI and ML for Optics-based Fish Sampling

Evaluating the efficiency and timeliness of Artificial Intelligence and Machine Learning to automate the processing of videos from fisheries surveys.
April 06, 2023 - Peer-Reviewed Research ,

Geographic Differences in Blainville’s Beaked Whale (Mesoplodon densirostris) Echolocation Clicks

We use acoustic recordings collected over broad time and space scales to investigate whether global variability in echolocation frequency could make clear population structure in Blainville's beaked whale.
April 01, 2023 - Peer-Reviewed Research ,

Gleaning the Expanse: Gender and Invisibilised Dimensions of Fisheries in American Samoa

To better understand the dimensions of fisheries that are often unseen under dominant approaches to studying fisheries, we conducted semistructured interviews with 28 women and fa'afafine in American Samoa.
April 01, 2023 - Peer-Reviewed Research ,

Effects of Data Sources and Biological Criteria on Length-at-Maturity Estimates and Spawning Periodicity of the Commercially Important Hawaiian Snapper, Etelis coruscans

Exploring the use of six maturity classification criteria based on a functionally mature or physiologically mature designation characteristics of E. coruscans combined with seasonality and inclusion of additional reproductive phases.
March 24, 2023 - Peer-Reviewed Research ,