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Ana Širović

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Ana Širović

Professor
Department of Biology
Faculty of Natural Sciences

ana.sirovic@ntnu.no
Biologisk stasjon, 122, Trondheim, Bynesveien 46
Google Scholar MBEL@NTNU Marine sciences at NTNU
About Research Publications Teaching Outreach

About

CV

Ana Širović is a marine bioacoustician, interested in development and use of new methods to improve understanding of highly exploited and endangered marine species. She is interested in noise and the effects of anthropogenic noise on marine life. Her group uses acoustic tools to answer ecological, population-level questions relevant to the management of animal resources.

Prior to joining NTNU, Ana was a faculty member at Texas A&M University at Galveston and Alaska Pacific University and a research oceanographer at the Scripps Institution of Oceanography. She is the recipient of the Medwin prize from the Acoustical Society of America and the US Antarctic Service Medal.

Competencies

  • Bioacoustics
  • Marine Ecology
  • Soundscapes

Research

My research interests revolve around three main themes:

  1. the use of acoustics to study whale and fish populations, especially endangred or commercially important species
  2. understanding long term trends in ocean ambient sounds
  3. impacts of sound on marine life and ecosystems

Current funding is provided by the The Research Council of Norway under the JPI Oceans program and EU Horizons. The support for research over the years has been provided by a variety of sources, including US National Science Foundation, US Office of Naval Research, US Navy's Living Marine Resources Program, Benioff Ocean Initiative, Flora Family Foundation, and California Sea Grant.

Pure Wind

Sounds from offshore wind farms (OWF) are a substantial contributor of anthropogenic noise in the marine environment. Under this consortium, we aim to improve our understanding of the impacts of noise from operational phase of OWF on marine ecosystems.

DIAPHONIA

We are bridging existing knowledge gaps concerning the effects of underwater noise on various marine organisms, cetaceans, fish and invertebrates, within the marine ecosystem across European basins.

Twilighted

We are inspiring a new era of deep-sea research by building a global deep-sea research hub in Madeira via focus on low-cost technologies and collaborations to take advantage of Madeira island’s easy access to deep waters.

PRECISE

We are enhancing out understanding of the occurrence and distribution of endangered and sensitive cetaceans in southern California Bight by coupling passive and active acoustics to study the dynamics of cetaceans and their prey.

WhaleSafe

Whale Safe is a technology-based mapping and analysis tool displaying whale and ship data—designed to prevent fatal ship collisions with whales, currently implemented along the west coast of the United States. We contribute to its acoustics tools.

ACCURATE

When using a cue counting approach to density estimation one needs to convert an estimated density of cues (e.g. animal calls) into a density of animals. Within the project, we are exploring factors that determine baleen whale cue rate variability.

Publications

Below are my publications since joining NTNU in fall 2021. For a full list of publications, visit my Google Scholar page.

  • Chronological
  • By category
  • See all publications in Cristin

2025

  • Branch, Trevor A.; Monnahan, Cole C.; Leroy, Emmanuelle C.; Shabangu, Fannie W.; Sirovic, Ana; Cerchio, Salvatore. (2025) Separating Historical Catches Among Pygmy Blue Whale Populations Using Recent Song Detections. Marine mammal science
    Academic article

2024

  • Pensieri, Sara; Sirovic, Ana. (2024) Impact of sound from offshore wind farms. Hydro International
    Academic article
  • Nymark, Marianne; Ashcroft, Felicity Jayne; Wild, Richard J.; Häger, Wiebke; Sirovic, Ana; Sueldo, Daniela Jorgelina. (2024) Fosna-Folkets nyhetsstudio - Det var overaskende å se hvor mye som var kommet i løpet av vinteren. Fosna-Folket
    Popular scientific article
  • Bjørnsen, Anja Karine; Sirovic, Ana. (2024) The Relationship Between Bryde's Whale Call Occurrence and Prey Abundance in the Southern California Bight. NTNU
    Masters thesis
  • Amundsen, Birgitte; Sirovic, Ana. (2024) Fine-scale frequency characteristics of blue whale song across the North Atlantic Ocean. NTNU
    Masters thesis
  • Constaratas, Alexandra Nathalie; Holcer, Draško; Özgöbek, Özlem; Sirovic, Ana. (2024) Acoustic occurrence of deep-diving cetaceans in the southern Adriatic Sea. Marine mammal science
    Academic article
  • Miller, Brian S.; Andrews-Goff, Virginia; Barlow, Jay; Bell, Elanor; Calderan, Susannah; Double, Michael C.. (2024) Antarctic sonobuoy surveys for blue whales from 2006-2021 reveal contemporary distribution, changes over time, and paths to further our understanding of their distribution and biology. Frontiers in Marine Science
    Academic article
  • Schoenbeck, Clara M.; Solsona-Berga, Alba; Franks, Peter J. S.; Frasier, Kaitlin E.; Trickey, Jennifer S.; Aguilar, Catalina. (2024) Ziphius cavirostris presence relative to the vertical and temporal variability of oceanographic conditions in the Southern California Bight. Ecology and Evolution
    Academic article

2023

  • Sirovic, Ana; Zoe, Groenewoud. (2023) Communicating in noisy waters: assessing the impact of shipping activity on blue and fin whale calling activity in the Santa Barbara Channel during Covid-19. NTNU
    Masters thesis
  • Delory, Eric; Sirovic, Ana; Jesus, Sergio. (2023) Editorial: Observing ocean sound. Frontiers in Marine Science
    Editorial
  • Waddell, Emily E.; Sirovic, Ana. (2023) Effects of anthropogenic noise and natural soundscape on larval fish behavior in four estuarine species. Journal of the Acoustical Society of America
    Academic article
  • Domínguez-Sánchez, P. Santiago; Sirovic, Ana; Fonseca-Ponce, Iliana A.; Zavala-Jiménez, Aldo A.; Rubin, Robert D.; Kumli, Katherine R.. (2023) Occupancy of acoustically tagged oceanic manta rays, Mobula birostris, in Bahia de Banderas, Mexico. Marine Biology
    Academic article

2022

  • Wilson, Katherine C; Semmens, Brice X.; Gittings, Stephen R.; McCoy, Croy; Pattengill-Semmens, Christy V.; Sirovic, Ana. (2022) Grouper source levels and aggregation dynamics inferred from passive acoustic localization at a multispecies spawning site. Journal of the Acoustical Society of America
    Academic article
  • Vaagland, Henriette; Evertsen, Jussi; Båtnes, Anna Solvang; Sirovic, Ana; Svendsen, Thea; Khron-Pettersen, Gitte. (2022) Opplev havets egen lys og lyd - og hils på dyrene hos havforskerne. Forskningstorget
    Other presentation
  • Wood, Megan; Sirovic, Ana. (2022) Characterization of fin whale song off the Western Antarctic Peninsula. PLOS ONE
    Academic article
  • Rice, Ally; Sirovic, Ana; Hildebrand, John A; Wood, Megan; Carbaugh-Rutland, Alexander; Baumann-Pickering, Simone. (2022) Update on frequency decline of Northeast Pacific blue whale (Balaenoptera musculus) calls. PLOS ONE
    Academic article
  • Dziak, Robert P.; Copeland, Adrienne; Sirovic, Ana; Bohnenstiehl, DelWayne R.; van Opzeeland, Ilse. (2022) Editorial: Innovation and Discoveries in Marine Soundscape Research. Frontiers in Marine Science
    Editorial
  • Sirovic, Ana; Oleson, Erin M. (2022) The Bioacoustics of Blue Whales—Global diversity and behavioral variability in a foraging specialist. Springer Nature
    Academic chapter/article/Conference paper

2021

  • Waddell, Emily E.; Rasmussen, Jeppe Have; Sirovic, Ana. (2021) Applying artificial intelligence methods to detect and classify fish calls from the northern gulf of mexico. Journal of Marine Science and Engineering (JMSE)
    Academic article
  • Miller, Brian S; Calderan, Susannah; Leaper, Russell; Miller, Elanor J; Sirovic, Ana; Stafford, Kathleen M.. (2021) Source level of Antarctic blue and fin whale sounds recorded on sonobuoys deployed in the deep-ocean Off Antarctica. Frontiers in Marine Science
    Academic article
  • Miller, Brian S; Stafford, Kathleen M.; van Opzeeland, Ilse; Harris, Danielle; Samaran, Flore; Sirovic, Ana. (2021) An open access dataset for developing automated detectors of Antarctic baleen whale sounds and performance evaluation of two commonly used detectors. Scientific Reports
    Academic article

Journal publications

  • Branch, Trevor A.; Monnahan, Cole C.; Leroy, Emmanuelle C.; Shabangu, Fannie W.; Sirovic, Ana; Cerchio, Salvatore. (2025) Separating Historical Catches Among Pygmy Blue Whale Populations Using Recent Song Detections. Marine mammal science
    Academic article
  • Pensieri, Sara; Sirovic, Ana. (2024) Impact of sound from offshore wind farms. Hydro International
    Academic article
  • Nymark, Marianne; Ashcroft, Felicity Jayne; Wild, Richard J.; Häger, Wiebke; Sirovic, Ana; Sueldo, Daniela Jorgelina. (2024) Fosna-Folkets nyhetsstudio - Det var overaskende å se hvor mye som var kommet i løpet av vinteren. Fosna-Folket
    Popular scientific article
  • Constaratas, Alexandra Nathalie; Holcer, Draško; Özgöbek, Özlem; Sirovic, Ana. (2024) Acoustic occurrence of deep-diving cetaceans in the southern Adriatic Sea. Marine mammal science
    Academic article
  • Miller, Brian S.; Andrews-Goff, Virginia; Barlow, Jay; Bell, Elanor; Calderan, Susannah; Double, Michael C.. (2024) Antarctic sonobuoy surveys for blue whales from 2006-2021 reveal contemporary distribution, changes over time, and paths to further our understanding of their distribution and biology. Frontiers in Marine Science
    Academic article
  • Schoenbeck, Clara M.; Solsona-Berga, Alba; Franks, Peter J. S.; Frasier, Kaitlin E.; Trickey, Jennifer S.; Aguilar, Catalina. (2024) Ziphius cavirostris presence relative to the vertical and temporal variability of oceanographic conditions in the Southern California Bight. Ecology and Evolution
    Academic article
  • Delory, Eric; Sirovic, Ana; Jesus, Sergio. (2023) Editorial: Observing ocean sound. Frontiers in Marine Science
    Editorial
  • Waddell, Emily E.; Sirovic, Ana. (2023) Effects of anthropogenic noise and natural soundscape on larval fish behavior in four estuarine species. Journal of the Acoustical Society of America
    Academic article
  • Domínguez-Sánchez, P. Santiago; Sirovic, Ana; Fonseca-Ponce, Iliana A.; Zavala-Jiménez, Aldo A.; Rubin, Robert D.; Kumli, Katherine R.. (2023) Occupancy of acoustically tagged oceanic manta rays, Mobula birostris, in Bahia de Banderas, Mexico. Marine Biology
    Academic article
  • Wilson, Katherine C; Semmens, Brice X.; Gittings, Stephen R.; McCoy, Croy; Pattengill-Semmens, Christy V.; Sirovic, Ana. (2022) Grouper source levels and aggregation dynamics inferred from passive acoustic localization at a multispecies spawning site. Journal of the Acoustical Society of America
    Academic article
  • Wood, Megan; Sirovic, Ana. (2022) Characterization of fin whale song off the Western Antarctic Peninsula. PLOS ONE
    Academic article
  • Rice, Ally; Sirovic, Ana; Hildebrand, John A; Wood, Megan; Carbaugh-Rutland, Alexander; Baumann-Pickering, Simone. (2022) Update on frequency decline of Northeast Pacific blue whale (Balaenoptera musculus) calls. PLOS ONE
    Academic article
  • Dziak, Robert P.; Copeland, Adrienne; Sirovic, Ana; Bohnenstiehl, DelWayne R.; van Opzeeland, Ilse. (2022) Editorial: Innovation and Discoveries in Marine Soundscape Research. Frontiers in Marine Science
    Editorial
  • Waddell, Emily E.; Rasmussen, Jeppe Have; Sirovic, Ana. (2021) Applying artificial intelligence methods to detect and classify fish calls from the northern gulf of mexico. Journal of Marine Science and Engineering (JMSE)
    Academic article
  • Miller, Brian S; Calderan, Susannah; Leaper, Russell; Miller, Elanor J; Sirovic, Ana; Stafford, Kathleen M.. (2021) Source level of Antarctic blue and fin whale sounds recorded on sonobuoys deployed in the deep-ocean Off Antarctica. Frontiers in Marine Science
    Academic article
  • Miller, Brian S; Stafford, Kathleen M.; van Opzeeland, Ilse; Harris, Danielle; Samaran, Flore; Sirovic, Ana. (2021) An open access dataset for developing automated detectors of Antarctic baleen whale sounds and performance evaluation of two commonly used detectors. Scientific Reports
    Academic article

Part of book/report

  • Sirovic, Ana; Oleson, Erin M. (2022) The Bioacoustics of Blue Whales—Global diversity and behavioral variability in a foraging specialist. Springer Nature
    Academic chapter/article/Conference paper

Report

  • Bjørnsen, Anja Karine; Sirovic, Ana. (2024) The Relationship Between Bryde's Whale Call Occurrence and Prey Abundance in the Southern California Bight. NTNU
    Masters thesis
  • Amundsen, Birgitte; Sirovic, Ana. (2024) Fine-scale frequency characteristics of blue whale song across the North Atlantic Ocean. NTNU
    Masters thesis
  • Sirovic, Ana; Zoe, Groenewoud. (2023) Communicating in noisy waters: assessing the impact of shipping activity on blue and fin whale calling activity in the Santa Barbara Channel during Covid-19. NTNU
    Masters thesis

UTSTILLING

  • Vaagland, Henriette; Evertsen, Jussi; Båtnes, Anna Solvang; Sirovic, Ana; Svendsen, Thea; Khron-Pettersen, Gitte. (2022) Opplev havets egen lys og lyd - og hils på dyrene hos havforskerne. Forskningstorget
    Other presentation

Teaching

Courses

  • BI3910 - Master Thesis in Ocean Resources
  • BI2060 - Marine Ecology
  • BI3061 - Biological Oceanography
  • BI8061 - Biological Oceanography
  • BI3062 - Science Seminars, Marine
  • BI2097 - Experts in Teamwork - Offshore wind farms: good for the environment?​​​​​​​

Outreach

2023

  • Poster
    Sirovic, Ana. (2023) PURE WIND: imPactof soUndon maRineEcosystems from offshore WIND energy generation. Michel Andre, UPC Oceanoise 2023 , Vilanova i la Geltru 2023-05-22 - 2023-05-26
  • Popular scientific lecture
    Sirovic, Ana. (2023) Lyd og musikk i havet. Ringve Ringve museum , Trondheim 2023-04-22 - 2023-04-22
  • Academic lecture
    Sirovic, Ana; Constaratas, Alexandra Nathalie; Holcer, Draško; Wood, Megan; Özgöbek, Özlem. (2023) Cetaceans in the Adriatic – what can acoustics and machine learning teach us?. FER Breaking the Surface Conference , Kumbor, Montenegro 2023-09-25 - 2023-09-29
  • Interview
    Sirovic, Ana. (2023) Agelast 180: Ana Širović: Proučavanje kitova na Antarktiku, bioakustika, pesma kitova. https://www.youtube.com/watch?v=aDl-TLUVpJI https://www.youtube.com/watch?v=aDl-TLUVpJI [Internet] 2023-05-18

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