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  1. Article ; Online: Recalibrating the Department of National Defence approach to active sonar impact management.

    Thomson, Maj Dugald J M / Binder, Carolyn M

    Marine pollution bulletin

    2021  Volume 173, Issue Pt B, Page(s) 113044

    Abstract: Fielding a well-trained, combat-ready military, and observing Canada's responsibility as environmental stewards are at times conflicting priorities for the Department of National Defence (DND). As new low frequency sources are introduced into service, ... ...

    Abstract Fielding a well-trained, combat-ready military, and observing Canada's responsibility as environmental stewards are at times conflicting priorities for the Department of National Defence (DND). As new low frequency sources are introduced into service, DND must review and update policies and procedures regarding the use of active sonar to minimize its impacts on marine mammals with an evidence-based approach. Risk is mitigated primarily through avoidance, which requires an understanding of marine mammal distribution in order to avoid the most sensitive species and their habitats. In parallel, a research and development program evaluates and develops technological solutions to minimize the risk of harm. By first embracing an empirical framework to assess acute and chronic impacts, DND has been able to partner with other government departments and researchers to develop technology targeted towards the residual risks to marine mammals posed by sonar operations.
    MeSH term(s) Animals ; Cetacea ; Ecosystem ; Sound
    Language English
    Publishing date 2021-10-19
    Publishing country England
    Document type Journal Article
    ZDB-ID 2001296-2
    ISSN 1879-3363 ; 0025-326X
    ISSN (online) 1879-3363
    ISSN 0025-326X
    DOI 10.1016/j.marpolbul.2021.113044
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Recalibrating the Department of National Defence approach to active sonar impact management

    Thomson, Maj Dugald J.M. / Binder, Carolyn M.

    Marine pollution bulletin. 2021 Dec., v. 173

    2021  

    Abstract: Fielding a well-trained, combat-ready military, and observing Canada's responsibility as environmental stewards are at times conflicting priorities for the Department of National Defence (DND). As new low frequency sources are introduced into service, ... ...

    Abstract Fielding a well-trained, combat-ready military, and observing Canada's responsibility as environmental stewards are at times conflicting priorities for the Department of National Defence (DND). As new low frequency sources are introduced into service, DND must review and update policies and procedures regarding the use of active sonar to minimize its impacts on marine mammals with an evidence-based approach. Risk is mitigated primarily through avoidance, which requires an understanding of marine mammal distribution in order to avoid the most sensitive species and their habitats. In parallel, a research and development program evaluates and develops technological solutions to minimize the risk of harm. By first embracing an empirical framework to assess acute and chronic impacts, DND has been able to partner with other government departments and researchers to develop technology targeted towards the residual risks to marine mammals posed by sonar operations.
    Keywords marine mammals ; marine pollution ; research and development ; risk ; sonar ; Canada
    Language English
    Dates of publication 2021-12
    Publishing place Elsevier Ltd
    Document type Article
    ZDB-ID 2001296-2
    ISSN 1879-3363 ; 0025-326X
    ISSN (online) 1879-3363
    ISSN 0025-326X
    DOI 10.1016/j.marpolbul.2021.113044
    Database NAL-Catalogue (AGRICOLA)

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  3. Article ; Online: Real-time observations of the impact of COVID-19 on underwater noise.

    Thomson, Dugald J M / Barclay, David R

    The Journal of the Acoustical Society of America

    2020  Volume 147, Issue 5, Page(s) 3390

    Abstract: A slowdown in global trade activity due to COVID-19 has led to a reduction in commercial shipping traffic into the Port of Vancouver. The Ocean Networks Canada observatory system provides researchers real-time access to oceanographic data from a wide ... ...

    Abstract A slowdown in global trade activity due to COVID-19 has led to a reduction in commercial shipping traffic into the Port of Vancouver. The Ocean Networks Canada observatory system provides researchers real-time access to oceanographic data from a wide range of instruments including hydrophones located along the offshore and inshore approaches to Vancouver. Measurements of power spectral density at 100 Hz from four of these bottom mounted hydrophones are presented, along with AIS data and shipping and trade statistics to assess to what extent the economic impact of COVID-19 can be observed acoustically and in near real-time. The quarterly trend in median weekly noise power in the shipping band of frequencies shows that a reduction in noise commensurate with the economic slowdown has been observed at three of the four hydrophone stations.
    Keywords covid19
    Language English
    Publishing date 2020-05-29
    Publishing country United States
    Document type Journal Article
    ZDB-ID 219231-7
    ISSN 1520-8524 ; 0001-4966
    ISSN (online) 1520-8524
    ISSN 0001-4966
    DOI 10.1121/10.0001271
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Efforts to advance underwater noise management in Canada: Introduction to the Marine Pollution Bulletin Special Issue.

    Breeze, Heather / Nolet, Véronique / Thomson, Dugald / Wright, Andrew J / Marotte, Emmaline / Sanders, Michelle

    Marine pollution bulletin

    2022  Volume 178, Page(s) 113596

    Abstract: This introduction to a special issue on approaches to managing underwater noise in Canada provides a brief overview of recent efforts to better understand and reduce anthropogenic underwater noise. Recent programs have aimed to increase understanding of ... ...

    Abstract This introduction to a special issue on approaches to managing underwater noise in Canada provides a brief overview of recent efforts to better understand and reduce anthropogenic underwater noise. Recent programs have aimed to increase understanding of anthropogenic noise in the habitats of highly endangered whales and have supported management actions such as vessel slow downs. Technical workshops have advanced the development of quiet ship design and associated technologies. Collaborative research examined noise levels in the St. Lawrence Estuary and the Arctic Ocean. Efforts to better manage noise have gone beyond shipping: enhanced mitigation measures have been put in place for naval exercises near habitats used by southern resident killer whales, while other work has focused on the identification of appropriate metrics for measuring noise. To coordinate and advance these and other efforts, the Government of Canada is developing a national Ocean Noise Strategy.
    MeSH term(s) Animals ; Canada ; Noise ; Ships ; Whale, Killer ; Whales
    Language English
    Publishing date 2022-04-03
    Publishing country England
    Document type Journal Article
    ZDB-ID 2001296-2
    ISSN 1879-3363 ; 0025-326X
    ISSN (online) 1879-3363
    ISSN 0025-326X
    DOI 10.1016/j.marpolbul.2022.113596
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: Global COVID-19 lockdown highlights humans as both threats and custodians of the environment.

    Bates, Amanda E / Primack, Richard B / Biggar, Brandy S / Bird, Tomas J / Clinton, Mary E / Command, Rylan J / Richards, Cerren / Shellard, Marc / Geraldi, Nathan R / Vergara, Valeria / Acevedo-Charry, Orlando / Colón-Piñeiro, Zuania / Ocampo, David / Ocampo-Peñuela, Natalia / Sánchez-Clavijo, Lina M / Adamescu, Cristian M / Cheval, Sorin / Racoviceanu, Tudor / Adams, Matthew D /
    Kalisa, Egide / Kuuire, Vincent Z / Aditya, Vikram / Anderwald, Pia / Wiesmann, Samuel / Wipf, Sonja / Badihi, Gal / Henderson, Matthew G / Loetscher, Hanspeter / Baerenfaller, Katja / Benedetti-Cecchi, Lisandro / Bulleri, Fabio / Bertocci, Iacopo / Maggi, Elena / Rindi, Luca / Ravaglioli, Chiara / Boerder, Kristina / Bonnel, Julien / Mathias, Delphine / Archambault, Philippe / Chauvaud, Laurent / Braun, Camrin D / Thorrold, Simon R / Brownscombe, Jacob W / Midwood, Jonathan D / Boston, Christine M / Brooks, Jill L / Cooke, Steven J / China, Victor / Roll, Uri / Belmaker, Jonathan / Zvuloni, Assaf / Coll, Marta / Ortega, Miquel / Connors, Brendan / Lacko, Lisa / Jayathilake, Dinusha R M / Costello, Mark J / Crimmins, Theresa M / Barnett, LoriAnne / Denny, Ellen G / Gerst, Katharine L / Marsh, R L / Posthumus, Erin E / Rodriguez, Reilly / Rosemartin, Alyssa / Schaffer, Sara N / Switzer, Jeff R / Wong, Kevin / Cunningham, Susan J / Sumasgutner, Petra / Amar, Arjun / Thomson, Robert L / Stofberg, Miqkayla / Hofmeyr, Sally / Suri, Jessleena / Stuart-Smith, Rick D / Day, Paul B / Edgar, Graham J / Cooper, Antonia T / De Leo, Fabio Cabrera / Garner, Grant / Des Brisay, Paulson G / Schrimpf, Michael B / Koper, Nicola / Diamond, Michael S / Dwyer, Ross G / Baker, Cameron J / Franklin, Craig E / Efrat, Ron / Berger-Tal, Oded / Hatzofe, Ohad / Eguíluz, Víctor M / Rodríguez, Jorge P / Fernández-Gracia, Juan / Elustondo, David / Calatayud, Vicent / English, Philina A / Archer, Stephanie K / Dudas, Sarah E / Haggarty, Dana R / Gallagher, Austin J / Shea, Brendan D / Shipley, Oliver N / Gilby, Ben L / Ballantyne, Jasmine / Olds, Andrew D / Henderson, Christopher J / Schlacher, Thomas A / Halliday, William D / Brown, Nicholas A W / Woods, Mackenzie B / Balshine, Sigal / Juanes, Francis / Rider, Mitchell J / Albano, Patricia S / Hammerschlag, Neil / Hays, Graeme C / Esteban, Nicole / Pan, Yuhang / He, Guojun / Tanaka, Takanao / Hensel, Marc J S / Orth, Robert J / Patrick, Christopher J / Hentati-Sundberg, Jonas / Olsson, Olof / Hessing-Lewis, Margot L / Higgs, Nicholas D / Hindell, Mark A / McMahon, Clive R / Harcourt, Rob / Guinet, Christophe / Hirsch, Sarah E / Perrault, Justin R / Hoover, Shelby R / Reilly, Jennifer D / Hobaiter, Catherine / Gruber, Thibaud / Huveneers, Charlie / Udyawer, Vinay / Clarke, Thomas M / Kroesen, Laura P / Hik, David S / Cherry, Seth G / Del Bel Belluz, Justin A / Jackson, Jennifer M / Lai, Shengjie / Lamb, Clayton T / LeClair, Gregory D / Parmelee, Jeffrey R / Chatfield, Matthew W H / Frederick, Cheryl A / Lee, Sangdon / Park, Hyomin / Choi, Jaein / LeTourneux, Frédéric / Grandmont, Thierry / de-Broin, Frédéric Dulude / Bêty, Joël / Gauthier, Gilles / Legagneux, Pierre / Lewis, Jesse S / Haight, Jeffrey / Liu, Zhu / Lyon, Jarod P / Hale, Robin / D'Silva, Dallas / MacGregor-Fors, Ian / Arbeláez-Cortés, Enrique / Estela, Felipe A / Sánchez-Sarria, Camilo E / García-Arroyo, Michelle / Aguirre-Samboní, Giann K / Franco Morales, Juan C / Malamud, Shahar / Gavriel, Tal / Buba, Yehezkel / Salingré, Shira / Lazarus, Mai / Yahel, Ruthy / Ari, Yigael Ben / Miller, Eyal / Sade, Rotem / Lavian, Guy / Birman, Ziv / Gury, Manor / Baz, Harel / Baskin, Ilia / Penn, Alon / Dolev, Amit / Licht, Ogen / Karkom, Tabi / Davidzon, Sharon / Berkovitch, Avi / Yaakov, Ofer / Manenti, Raoul / Mori, Emiliano / Ficetola, Gentile Francesco / Lunghi, Enrico / March, David / Godley, Brendan J / Martin, Cecilia / Mihaly, Steven F / Barclay, David R / Thomson, Dugald J M / Dewey, Richard / Bedard, Jeannette / Miller, Aroha / Dearden, Amber / Chapman, Jennifer / Dares, Lauren / Borden, Laura / Gibbs, Donna / Schultz, Jessica / Sergeenko, Nikita / Francis, Fiona / Weltman, Amanda / Moity, Nicolas / Ramírez-González, Jorge / Mucientes, Gonzalo / Alonso-Fernández, Alexandre / Namir, Itai / Bar-Massada, Avi / Chen, Ron / Yedvab, Shmulik / Okey, Thomas A / Oppel, Steffen / Arkumarev, Volen / Bakari, Samuel / Dobrev, Vladimir / Saravia-Mullin, Victoria / Bounas, Anastasios / Dobrev, Dobromir / Kret, Elzbieta / Mengistu, Solomon / Pourchier, Cloé / Ruffo, Alazar / Tesfaye, Million / Wondafrash, Mengistu / Nikolov, Stoyan C / Palmer, Charles / Sileci, Lorenzo / Rex, Patrick T / Lowe, Christopher G / Peters, Francesc / Pine, Matthew K / Radford, Craig A / Wilson, Louise / McWhinnie, Lauren / Scuderi, Alessia / Jeffs, Andrew G / Prudic, Kathleen L / Larrivée, Maxim / McFarland, Kent P / Solis, Rodrigo / Hutchinson, Rebecca A / Queiroz, Nuno / Furtado, Miguel A / Sims, David W / Southall, Emily / Quesada-Rodriguez, Claudio A / Diaz-Orozco, Jessica P / Rodgers, Ku'ulei S / Severino, Sarah J L / Graham, Andrew T / Stefanak, Matthew P / Madin, Elizabeth M P / Ryan, Peter G / Maclean, Kyle / Weideman, Eleanor A / Şekercioğlu, Çağan H / Kittelberger, Kyle D / Kusak, Josip / Seminoff, Jeffrey A / Hanna, Megan E / Shimada, Takahiro / Meekan, Mark G / Smith, Martin K S / Mokhatla, Mohlamatsane M / Soh, Malcolm C K / Pang, Roanna Y T / Ng, Breyl X K / Lee, Benjamin P Y-H / Loo, Adrian H B / Er, Kenneth B H / Souza, Gabriel B G / Stallings, Christopher D / Curtis, Joseph S / Faletti, Meaghan E / Peake, Jonathan A / Schram, Michael J / Wall, Kara R / Terry, Carina / Rothendler, Matt / Zipf, Lucy / Ulloa, Juan Sebastián / Hernández-Palma, Angélica / Gómez-Valencia, Bibiana / Cruz-Rodríguez, Cristian / Herrera-Varón, Yenifer / Roa, Margarita / Rodríguez-Buriticá, Susana / Ochoa-Quintero, Jose Manuel / Vardi, Reut / Vázquez, Víctor / Requena-Mesa, Christian / Warrington, Miyako H / Taylor, Michelle E / Woodall, Lucy C / Stefanoudis, Paris V / Zhang, Xiangliang / Yang, Qiang / Zukerman, Yuval / Sigal, Zehava / Ayali, Amir / Clua, Eric E G / Carzon, Pamela / Seguine, Clementine / Corradini, Andrea / Pedrotti, Luca / Foley, Catherine M / Gagnon, Catherine Alexandra / Panipakoochoo, Elijah / Milanes, Celene B / Botero, Camilo M / Velázquez, Yunior R / Milchakova, Nataliya A / Morley, Simon A / Martin, Stephanie M / Nanni, Veronica / Otero, Tanya / Wakeling, Julia / Abarro, Sarah / Piou, Cyril / Sobral, Ana F L / Soto, Eulogio H / Weigel, Emily G / Bernal-Ibáñez, Alejandro / Gestoso, Ignacio / Cacabelos, Eva / Cagnacci, Francesca / Devassy, Reny P / Loretto, Matthias-Claudio / Moraga, Paula / Rutz, Christian / Duarte, Carlos M

    Biological conservation

    2021  Volume 263, Page(s) 109175

    Abstract: The global lockdown to mitigate COVID-19 pandemic health risks has altered human interactions with nature. Here, we report immediate impacts of changes in human activities on wildlife and environmental threats during the early lockdown months of 2020, ... ...

    Abstract The global lockdown to mitigate COVID-19 pandemic health risks has altered human interactions with nature. Here, we report immediate impacts of changes in human activities on wildlife and environmental threats during the early lockdown months of 2020, based on 877 qualitative reports and 332 quantitative assessments from 89 different studies. Hundreds of reports of unusual species observations from around the world suggest that animals quickly responded to the reductions in human presence. However, negative effects of lockdown on conservation also emerged, as confinement resulted in some park officials being unable to perform conservation, restoration and enforcement tasks, resulting in local increases in illegal activities such as hunting. Overall, there is a complex mixture of positive and negative effects of the pandemic lockdown on nature, all of which have the potential to lead to cascading responses which in turn impact wildlife and nature conservation. While the net effect of the lockdown will need to be assessed over years as data becomes available and persistent effects emerge, immediate responses were detected across the world. Thus, initial qualitative and quantitative data arising from this serendipitous global quasi-experimental perturbation highlights the dual role that humans play in threatening and protecting species and ecosystems. Pathways to favorably tilt this delicate balance include reducing impacts and increasing conservation effectiveness.
    Language English
    Publishing date 2021-05-20
    Publishing country England
    Document type Journal Article
    ISSN 0006-3207
    ISSN 0006-3207
    DOI 10.1016/j.biocon.2021.109175
    Database MEDical Literature Analysis and Retrieval System OnLINE

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