{"help":"https://catalogue.cioos.ca/api/3/action/help_show?name=package_show","success":true,"result":{"id":"9d9874ec-a4b9-412a-909d-65d2b4f70fbf","ecv":["sea_state"],"eov":["seaState","subSurfaceSalinity","subSurfaceTemperature","oceanSound"],"url":null,"name":"ca-cioos_87531a9a-e56a-4258-944f-336fcf8df112","tags":[],"type":"dataset","notes":"Le marsouin commun du Pacifique (Phocoena phocoena vomerina) occupe une vaste aire de répartition dans les eaux côtières de la Colombie-Britannique. Malgré leur vaste aire de répartition, les données concernant l'abondance et les tendances démographiques demeurent largement insuffisantes et, à ce titre, elles sont considérées comme préoccupantes en vertu de la Loi sur les espèces en péril. Les marsouins communs sont également particulièrement sensibles aux perturbations, en particulier aux perturbations acoustiques causées par les navires. De grands groupes de marsouins communs ont été observés dans les eaux autour de l'entrée du port de Prince Rupert pendant les mois d'hiver, mais on sait peu de choses sur l'activité annuelle à petite échelle de cette espèce dans cette zone très fréquentée.\n\nDans cette étude pluriannuelle, nous avons utilisé une combinaison de relevés visuels terrestres et de dispositifs (C-pods et F-pods) de surveillance acoustique passive (PAM) pour combler les lacunes en matière de données concernant la densité, les habitudes journalières et la saisonnalité des marsouins communs autour de Prince Rupert. Une activité d'écholocalisation a été détectée pendant 96 % des 1 086 jours de déploiement du C-POD *(Cetacean -Porpoise Detector)* et 100 % des 727 jours de déploiement du F-POD *(Full waveform capture -Porpoise Detector)*, 86 % des relevés visuels ayant révélé la présence de marsouins communs. Nous avons détecté de fortes tendances saisonnières et quotidiennes en matière d'activité, avec des pics d'écholocalisation entre avril et juin et pendant les heures d'obscurité tout au long de l'année. Il y a eu une augmentation notable de l'activité diurne du marsouin commun entre janvier et mars, ce qui coïncide avec les mois où de grandes agrégations ont été observées.\n\nCette étude indique que malgré la présence constante de grands navires, le marsouin commun persiste dans les eaux entourant Prince Rupert. Cela suggère que la zone constitue un habitat important pour cette espèce et peut également indiquer un certain degré d'acclimatation à des perturbations localisées. Il est possible de consulter l'article scientifique relié à cette étude :\n\n- [***Porpoises after dark: Seasonal and diel patterns in Pacific harbour porpoise (Phocoena phocoena vomerina) aggregations at one of North America’s fastest growing ports***](https://doi.org/10.3389/fmars.2022.1010095)\n\nCe projet fait partie du Programme sur les données environnementales côtières de référence de Pêches et Océans Canada.","state":"active","title":"Marsouins après la tombée de la nuit : tendances saisonnières et journalière des agrégations de marsouins communs du Pacifique près du Port de Prince Rupert (2016-2022)","author":null,"extras":[{"key":"access_constraints","value":""},{"key":"contact-email","value":"chloe.robinson@ocean.org"},{"key":"encoding","value":"utf8"},{"key":"guid","value":"ca.cioos_87531a9a-e56a-4258-944f-336fcf8df112"},{"key":"h_job_id","value":"4b000124-58ec-4fba-919d-d2ad1bee305b"},{"key":"h_object_id","value":"c3c1e9c0-59c9-41be-adb5-15cc96c0b34b"},{"key":"h_source_id","value":"61cbaa40-5cef-4ff5-9501-2e8b641bec14"},{"key":"h_source_title","value":"St. Lawrence Global Observatory"},{"key":"h_source_url","value":"https://catalogue.ogsl.ca"},{"key":"harvest_object_id","value":"c3c1e9c0-59c9-41be-adb5-15cc96c0b34b"},{"key":"harvest_source_id","value":"61cbaa40-5cef-4ff5-9501-2e8b641bec14"},{"key":"harvest_source_organization","value":"{\"id\": \"b9a157db-ac56-4a28-aee9-899a35f463c6\", \"name\": \"slgo\", \"title\": \"Observatoire global du Saint-Laurent\", \"type\": \"organization\", \"description\": \"\", \"image_url\": \"\", \"created\": \"2026-07-31T15:58:21.306495\", \"is_organization\": true, \"approval_status\": \"approved\", \"state\": \"active\", \"description_translated\": {\"en\": \"Created in 2005 by federal and provincial government as well as academic institutions and community organizations, the St. Lawrence Global Observatory (SLGO) makes it possible to maximize the benefits of data collection by integrating multidisciplinary data from multiple partners on a single web portal. 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Despite their wide distribution, they remain largely data-deficient regarding abundance and population trends, and as such are listed as Special Concern under the Species At Risk Act. Harbour porpoises are also particularly sensitive to disturbance, especially vessel-related acoustic disturbance. Large aggregations of harbour porpoise have been documented in waters around the entrance to the Port of Prince Rupert during the winter months, however little is known about the annual fine-scale activity of this species in this highly trafficked area. \\n\\nIn this multi-year study, we used a combination of land-based visual surveys and passive acoustic monitoring (PAM) devices (C-PODs and F-PODs) to address data gaps regarding density, diel patterns, and seasonality of harbour porpoise around Prince Rupert. Echolocation activity was detected during 96% of the 1086 C-POD (Cetacean -Porpoise Detector) deployment days and 100% of the 727 F-POD (Full waveform capture -Porpoise Detector) deployment days, with 86% of visual surveys recording harbour porpoise presence. We detected strong seasonal and diel trends in activity, with echolocation peaks between April and June and during the hours of darkness throughout the year. There was a notable increase in daytime activity of harbour porpoise between January and March, which coincides with the months of large aggregation observations.\\n\\nThis study indicates that despite the constant presence of large vessels, harbour porpoise continue to persist within waters surrounding Prince Rupert. This suggests the area is an important habitat for this species and also may indicate some extent of acclimatization to localized disturbance. It is possible to consult the scientific article related to this study:\\n\\n- [**Porpoises after dark: Seasonal and diel patterns in Pacific harbour porpoise (Phocoena phocoena vomerina) aggregations at one of North America\\u2019s fastest growing ports**](https://doi.org/10.3389/fmars.2022.1010095)\\n\\nThis project is part of Fisheries and Ocean Canada's Coastal Environmental Baseline Program.\\\", \\\"edition\\\": \\\"\\\", \\\"edition-date\\\": \\\"\\\", \\\"publisher\\\": \\\"\\\", \\\"title\\\": \\\"Porpoises After Dark: Seasonal and Diel Patterns in Pacific Harbour Porpoise Aggregations Near the Port of Prince Rupert (2016-2022)\\\", \\\"DOI\\\": \\\"10.26071/87531a9a-e56a-4258\\\", \\\"language\\\": \\\"en\\\", \\\"URL\\\": \\\"https://catalogue.ogsl.ca/dataset/ca-cioos_87531a9a-e56a-4258-944f-336fcf8df112?local=en\\\"}]","fr":"[{\\\"type\\\": \\\"dataset\\\", \\\"id\\\": \\\"ca.cioos_87531a9a-e56a-4258-944f-336fcf8df112\\\", \\\"author\\\": [{\\\"given\\\": \\\"Chloe Victoria\\\", \\\"family\\\": \\\"Robinson\\\"}, {\\\"literal\\\": \\\"Ocean Wise\\\"}], \\\"issued\\\": [{\\\"date-parts\\\": [\\\"2025\\\", \\\"06\\\", \\\"18\\\"]}], \\\"abstract\\\": \\\"Le marsouin commun du Pacifique (Phocoena phocoena vomerina) occupe une vaste aire de r\\u00e9partition dans les eaux c\\u00f4ti\\u00e8res de la Colombie-Britannique. Malgr\\u00e9 leur vaste aire de r\\u00e9partition, les donn\\u00e9es concernant l'abondance et les tendances d\\u00e9mographiques demeurent largement insuffisantes et, \\u00e0 ce titre, elles sont consid\\u00e9r\\u00e9es comme pr\\u00e9occupantes en vertu de la Loi sur les esp\\u00e8ces en p\\u00e9ril. Les marsouins communs sont \\u00e9galement particuli\\u00e8rement sensibles aux perturbations, en particulier aux perturbations acoustiques caus\\u00e9es par les navires. De grands groupes de marsouins communs ont \\u00e9t\\u00e9 observ\\u00e9s dans les eaux autour de l'entr\\u00e9e du port de Prince Rupert pendant les mois d'hiver, mais on sait peu de choses sur l'activit\\u00e9 annuelle \\u00e0 petite \\u00e9chelle de cette esp\\u00e8ce dans cette zone tr\\u00e8s fr\\u00e9quent\\u00e9e.\\n\\nDans cette \\u00e9tude pluriannuelle, nous avons utilis\\u00e9 une combinaison de relev\\u00e9s visuels terrestres et de dispositifs (C-pods et F-pods) de surveillance acoustique passive (PAM) pour combler les lacunes en mati\\u00e8re de donn\\u00e9es concernant la densit\\u00e9, les habitudes journali\\u00e8res et la saisonnalit\\u00e9 des marsouins communs autour de Prince Rupert. Une activit\\u00e9 d'\\u00e9cholocalisation a \\u00e9t\\u00e9 d\\u00e9tect\\u00e9e pendant 96 % des 1 086 jours de d\\u00e9ploiement du C-POD *(Cetacean -Porpoise Detector)* et 100 % des 727 jours de d\\u00e9ploiement du F-POD *(Full waveform capture -Porpoise Detector)*, 86 % des relev\\u00e9s visuels ayant r\\u00e9v\\u00e9l\\u00e9 la pr\\u00e9sence de marsouins communs. Nous avons d\\u00e9tect\\u00e9 de fortes tendances saisonni\\u00e8res et quotidiennes en mati\\u00e8re d'activit\\u00e9, avec des pics d'\\u00e9cholocalisation entre avril et juin et pendant les heures d'obscurit\\u00e9 tout au long de l'ann\\u00e9e. Il y a eu une augmentation notable de l'activit\\u00e9 diurne du marsouin commun entre janvier et mars, ce qui co\\u00efncide avec les mois o\\u00f9 de grandes agr\\u00e9gations ont \\u00e9t\\u00e9 observ\\u00e9es.\\n\\nCette \\u00e9tude indique que malgr\\u00e9 la pr\\u00e9sence constante de grands navires, le marsouin commun persiste dans les eaux entourant Prince Rupert. Cela sugg\\u00e8re que la zone constitue un habitat important pour cette esp\\u00e8ce et peut \\u00e9galement indiquer un certain degr\\u00e9 d'acclimatation \\u00e0 des perturbations localis\\u00e9es. Il est possible de consulter l'article scientifique reli\\u00e9 \\u00e0 cette \\u00e9tude :\\n\\n- [***Porpoises after dark: Seasonal and diel patterns in Pacific harbour porpoise (Phocoena phocoena vomerina) aggregations at one of North America\\u2019s fastest growing ports***](https://doi.org/10.3389/fmars.2022.1010095)\\n\\nCe projet fait partie du Programme sur les donn\\u00e9es environnementales c\\u00f4ti\\u00e8res de r\\u00e9f\\u00e9rence de P\\u00eaches et Oc\\u00e9ans Canada.\\\", \\\"edition\\\": \\\"\\\", \\\"edition-date\\\": \\\"\\\", \\\"publisher\\\": \\\"\\\", \\\"title\\\": \\\"Marsouins apr\\u00e8s la tomb\\u00e9e de la nuit\\u00a0: tendances saisonni\\u00e8res et journali\\u00e8re des agr\\u00e9gations de marsouins communs du Pacifique pr\\u00e8s du Port de Prince Rupert (2016-2022)\\\", \\\"DOI\\\": \\\"10.26071/87531a9a-e56a-4258\\\", \\\"language\\\": \\\"fr\\\", \\\"URL\\\": \\\"https://catalogue.ogsl.ca/dataset/ca-cioos_87531a9a-e56a-4258-944f-336fcf8df112?local=fr\\\"}]"},"keywords":{"en":["Oceans","passive acoustic monitoring","chlorophyll a","echolocation","vessel disturbance","oceanSound","subSurfaceSalinity","subSurfaceTemperature","seaState","Animalia","Chordata","Mammalia","Cetacea","Phocoenidae","Phocoena","Phocoena phocoena","Coastal Environmental Baseline Program"],"fr":["chlorophylle a","écholocation","perturbation du navire","surveillance acoustique passive","Paysage acoustique des océans","Salinité sous la surface","Température sous la surface","État de la mer","Animalia","Chordata","Mammalia","Cetacea","Phocoenidae","Phocoena","Phocoena phocoena"]},"num_tags":0,"progress":"completed","projects":["Coastal Environmental Baseline Program"],"owner_org":"b9a157db-ac56-4a28-aee9-899a35f463c6","resources":[{"id":"d295bd40-c57d-4df6-8008-bc53296a04ce","url":"https://github.com/chloerobinson23/Dracott-et-al-2022","hash":"","name":"Données acoustiques brutes et métadonnées associées","size":null,"state":"active","format":"HTML","created":"2025-06-30T18:25:31.226623","mimetype":null,"position":0,"url_type":null,"cache_url":null,"package_id":"9d9874ec-a4b9-412a-909d-65d2b4f70fbf","description":"Données acoustiques brutes et métadonnées associées reliées à l'article : Dracott, D., Robinson, C.V., Brown-Dussault, A., Birdsall, C. & Barrett-Lennard, L. (2022). Porpoises after dark: Seasonal and diel patterns in Pacific harbour porpoise (Phocoena phocoena vomerina) aggregations at one of North America’s fastest growing ports. Frontiers in Marine Science, 9, 1010095. doi: 10.3389/fmars.2022.1010095.","last_modified":null,"resource_type":null,"created_source":"2025-06-30T18:25:31.226623","mimetype_inner":null,"name_translated":{"en":"Raw Acoustic Data and Associated Metadata","fr":"Données acoustiques brutes et métadonnées associées"},"datastore_active":false,"metadata_modified":"2026-07-31T16:37:16.804985","cache_last_updated":null,"description_translated":{"en":"Raw acoustic data and associated metadata related to the article: Dracott, D., Robinson, C.V., Brown-Dussault, A., Birdsall, C. & Barrett-Lennard, L. (2022). Porpoises after dark: Seasonal and diel patterns in Pacific harbour porpoise (Phocoena phocoena vomerina) aggregations at one of North America’s fastest growing ports. Frontiers in Marine Science, 9, 1010095. doi: 10.3389/fmars.2022.1010095.","fr":"Données acoustiques brutes et métadonnées associées reliées à l'article : Dracott, D., Robinson, C.V., Brown-Dussault, A., Birdsall, C. & Barrett-Lennard, L. (2022). Porpoises after dark: Seasonal and diel patterns in Pacific harbour porpoise (Phocoena phocoena vomerina) aggregations at one of North America’s fastest growing ports. Frontiers in Marine Science, 9, 1010095. doi: 10.3389/fmars.2022.1010095."},"metadata_modified_source":"2025-06-30T18:25:31.215668","resource_locator_function":"","resource_locator_protocol":"WWW:LINK"}],"datacentre":[],"license_id":"CC-BY-4.0","maintainer":null,"distributor":[{"role":["distributor"],"individual-name":"Robinson, Chloe Victoria","organisation-name":"Ocean Wise","contact-info_email":"chloe.robinson@ocean.org","individual-uri_code":"https://orcid.org/0000-0003-3776-9166","individual-uri_version":"","individual-uri_authority":"","individual-uri_code-space":"","contact-info_online-resource":""}],"license_url":"https://creativecommons.org/licenses/by/4.0/","author_email":null,"organization":{"id":"b9a157db-ac56-4a28-aee9-899a35f463c6","name":"slgo","type":"organization","state":"active","title":"Observatoire global du Saint-Laurent","created":"2026-07-31T15:58:21.306495","image_url":"","description":"","display_name":"St. Lawrence Global Observatory","num_followers":0,"approval_status":"approved","is_organization":true,"organization-uri":[{"code":"","version":"","authority":"","code-space":""}],"title_translated":{"en":"St. Lawrence Global Observatory","fr":"Observatoire global du Saint-Laurent"},"external_home_url":"https://ogsl.ca","image_display_url":"","image_url_translated":{"en":"https://ogsl.ca/wp_ogsl/logo_partenaires/OGSL_Logo.png","fr":"https://ogsl.ca/wp_ogsl/logo_partenaires/OGSL_Logo.png"},"description_translated":{"en":"Created in 2005 by federal and provincial government as well as academic institutions and community organizations, the St. Lawrence Global Observatory (SLGO) makes it possible to maximize the benefits of data collection by integrating multidisciplinary data from multiple partners on a single web portal. Promoting data discovery and re-use, SLGO counts 48 members and is recognized throughout the world.\r\n\r\nThe content distributed by SLGO spans across all disciplines, themes and areas of interest that data-producing members choose to make accessible. A large amount of scientific and environmental information is already available through SLGO's portal. Furthermore, in order to maximize data availability, SLGO's team develops user-friendly web applications to facilitate data visualization and download in various formats.\r\n\r\nSLGO is, as such, responsible for the activities of the region of the St. Lawrence of CIOOS. To contribute, we invite you to contact us.","fr":"Créé en 2005 par un regroupement d’organisations provenant du gouvernement fédéral et provincial, du milieu académique et communautaire, l’Observatoire global du Saint-Laurent permet de maximiser les retombées de la collecte de données par l’intégration de données multidisciplinaires provenant de multiples partenaires sur un portail web unique. Favorisant la découverte des données et leur valorisation, l’OGSL compte actuellement 48 membres et est reconnu à travers le monde.\r\n\r\nLe contenu diffusé par l'OGSL couvre l'ensemble des disciplines, thèmes et domaines d'intérêt que les membres producteurs de données choisissent de rendre accessibles. Une grande quantité d'information de nature scientifique et environnementale est déjà disponible sur le portail de l'OGSL. De plus, l'équipe de l'OGSL développe des applications web conviviales pour faciliter la visualisation et le téléchargement des données sous différents formats afin de maximiser la démocratisation des données.\r\n\r\nL'OGSL est donc responsable des activités de la région du Saint-Laurent du SIOOC. Pour contribuer, nous vous invitons à nous contacter."}},"license_title":"Creative Commons Attribution 4.0","num_resources":1,"resource-type":"dataset","bbox-east-long":"-130.255","bbox-north-lat":"54.362","bbox-south-lat":"54.174","bbox-west-long":"-130.549","creator_user_id":"fe6035ee-ed91-4ead-b5b2-4048232a22bb","temporal-extent":[{"end":"2022-01-24","begin":"2016-07-16"}],"vertical-extent":[{"max":"28.0","min":"6.0"}],"aggregation-info":[{"initiative-type":"","association-type":"crossReference","aggregate-dataset-name":{"en":"Porpoises after dark: Seasonal and diel patterns in Pacific harbour porpoise (Phocoena phocoena vomerina) aggregations at one of North America’s fastest growing ports","fr":"Porpoises after dark: Seasonal and diel patterns in Pacific harbour porpoise (Phocoena phocoena vomerina) aggregations at one of North America’s fastest growing ports"},"aggregate-dataset-identifier_code":"https://doi.org/10.3389/fmars.2022.1010095"},{"initiative-type":"","association-type":"crossReference","aggregate-dataset-name":{"en":"Influence of vessel disturbance on Pacific harbour porpoise (Phocoena phocoena vomerina) echolocation (2016-2022)","fr":"Influence de la perturbation des navires sur l'écholocation du marsouin commun du Pacifique (Phocoena phocoena vomerina) (2016-2022)"},"aggregate-dataset-identifier_code":"https://doi.org/10.26071/60c47bea-d6df-49fa"}],"maintainer_email":null,"maintenance-note":"Generated from https://cioos-siooc.github.io/metadata-entry-form#/en/stlaurent/mNvuOZHpsSNWU4XtABhqUORGhtH2/-NM0Jafofbu4ehudcwa-","metadata_created":"2026-07-31T16:37:16.807932","notes_translated":{"en":"Pacific Harbour Porpoise (Phocoena phocoena vomerina) occupy a large range throughout coastal waters of British Columbia. Despite their wide distribution, they remain largely data-deficient regarding abundance and population trends, and as such are listed as Special Concern under the Species At Risk Act. Harbour porpoises are also particularly sensitive to disturbance, especially vessel-related acoustic disturbance. Large aggregations of harbour porpoise have been documented in waters around the entrance to the Port of Prince Rupert during the winter months, however little is known about the annual fine-scale activity of this species in this highly trafficked area. \n\nIn this multi-year study, we used a combination of land-based visual surveys and passive acoustic monitoring (PAM) devices (C-PODs and F-PODs) to address data gaps regarding density, diel patterns, and seasonality of harbour porpoise around Prince Rupert. Echolocation activity was detected during 96% of the 1086 C-POD (Cetacean -Porpoise Detector) deployment days and 100% of the 727 F-POD (Full waveform capture -Porpoise Detector) deployment days, with 86% of visual surveys recording harbour porpoise presence. We detected strong seasonal and diel trends in activity, with echolocation peaks between April and June and during the hours of darkness throughout the year. There was a notable increase in daytime activity of harbour porpoise between January and March, which coincides with the months of large aggregation observations.\n\nThis study indicates that despite the constant presence of large vessels, harbour porpoise continue to persist within waters surrounding Prince Rupert. This suggests the area is an important habitat for this species and also may indicate some extent of acclimatization to localized disturbance. It is possible to consult the scientific article related to this study:\n\n- [**Porpoises after dark: Seasonal and diel patterns in Pacific harbour porpoise (Phocoena phocoena vomerina) aggregations at one of North America’s fastest growing ports**](https://doi.org/10.3389/fmars.2022.1010095)\n\nThis project is part of Fisheries and Ocean Canada's Coastal Environmental Baseline Program.","fr":"Le marsouin commun du Pacifique (Phocoena phocoena vomerina) occupe une vaste aire de répartition dans les eaux côtières de la Colombie-Britannique. Malgré leur vaste aire de répartition, les données concernant l'abondance et les tendances démographiques demeurent largement insuffisantes et, à ce titre, elles sont considérées comme préoccupantes en vertu de la Loi sur les espèces en péril. Les marsouins communs sont également particulièrement sensibles aux perturbations, en particulier aux perturbations acoustiques causées par les navires. De grands groupes de marsouins communs ont été observés dans les eaux autour de l'entrée du port de Prince Rupert pendant les mois d'hiver, mais on sait peu de choses sur l'activité annuelle à petite échelle de cette espèce dans cette zone très fréquentée.\n\nDans cette étude pluriannuelle, nous avons utilisé une combinaison de relevés visuels terrestres et de dispositifs (C-pods et F-pods) de surveillance acoustique passive (PAM) pour combler les lacunes en matière de données concernant la densité, les habitudes journalières et la saisonnalité des marsouins communs autour de Prince Rupert. Une activité d'écholocalisation a été détectée pendant 96 % des 1 086 jours de déploiement du C-POD *(Cetacean -Porpoise Detector)* et 100 % des 727 jours de déploiement du F-POD *(Full waveform capture -Porpoise Detector)*, 86 % des relevés visuels ayant révélé la présence de marsouins communs. Nous avons détecté de fortes tendances saisonnières et quotidiennes en matière d'activité, avec des pics d'écholocalisation entre avril et juin et pendant les heures d'obscurité tout au long de l'année. Il y a eu une augmentation notable de l'activité diurne du marsouin commun entre janvier et mars, ce qui coïncide avec les mois où de grandes agrégations ont été observées.\n\nCette étude indique que malgré la présence constante de grands navires, le marsouin commun persiste dans les eaux entourant Prince Rupert. Cela suggère que la zone constitue un habitat important pour cette espèce et peut également indiquer un certain degré d'acclimatation à des perturbations localisées. Il est possible de consulter l'article scientifique relié à cette étude :\n\n- [***Porpoises after dark: Seasonal and diel patterns in Pacific harbour porpoise (Phocoena phocoena vomerina) aggregations at one of North America’s fastest growing ports***](https://doi.org/10.3389/fmars.2022.1010095)\n\nCe projet fait partie du Programme sur les données environnementales côtières de référence de Pêches et Océans Canada."},"title_translated":{"en":"Porpoises After Dark: Seasonal and Diel Patterns in Pacific Harbour Porpoise Aggregations Near the Port of Prince Rupert (2016-2022)","fr":"Marsouins après la tombée de la nuit : tendances saisonnières et journalière des agrégations de marsouins communs du Pacifique près du Port de Prince Rupert (2016-2022)"},"xml_location_url":"https://catalogue-waf.ogsl.ca/metadata-files/ocean-wise/87531a9a-e56a-4258-944f-336fcf8df112.xml","metadata-language":"en","metadata_modified":"2026-07-31T16:37:16.807936","frequency-of-update":"asNeeded","dataset-reference-date":[{"type":"creation","value":"2016-07-16"},{"type":"publication","value":"2025-06-18"}],"cited-responsible-party":[{"role":["author","custodian","distributor","owner","pointOfContact"],"individual-name":"Robinson, Chloe Victoria","organisation-name":"Ocean Wise","contact-info_email":"chloe.robinson@ocean.org","individual-uri_code":"https://orcid.org/0000-0003-3776-9166","individual-uri_version":"","individual-uri_authority":"","individual-uri_code-space":"","contact-info_online-resource":""},{"role":"contributor","individual-name":"","organisation-name":"Ocean Wise","contact-info_email":""}],"metadata-reference-date":[{"type":"publication","value":"2023-03-03"},{"type":"revision","value":"2025-06-30"}],"relationships_as_object":[],"harvest_document_content":"\n \n \n \n \n \n ca.cioos\n \n \n \n \n 87531a9a-e56a-4258-944f-336fcf8df112\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Ocean Wise\n \n \n \n \n \n \n \n \n \n \n \n \n \n 440 Cambie St #101\n \n \n Vancouver\n \n \n Canada\n \n \n \n \n \n \n www.ocean.org\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n Robinson, Chloe Victoria\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n chloe.robinson@ocean.org\n \n \n \n \n \n \n \n \n https://orcid.org/0000-0003-3776-9166\n \n \n \n \n Senior Manager (Conservation Impact)\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Ocean Wise\n \n \n \n \n \n \n \n \n \n \n \n \n \n 440 Cambie St #101\n \n \n Vancouver\n \n \n Canada\n \n \n \n \n \n \n www.ocean.org\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n Robinson, Chloe Victoria\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n chloe.robinson@ocean.org\n \n \n \n \n \n \n \n \n https://orcid.org/0000-0003-3776-9166\n \n \n \n \n Senior Manager (Conservation Impact)\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Ocean Wise\n \n \n \n \n \n \n \n \n \n \n \n \n \n 440 Cambie St #101\n \n \n Vancouver\n \n \n Canada\n \n \n \n \n \n \n www.ocean.org\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n Robinson, Chloe Victoria\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n chloe.robinson@ocean.org\n \n \n \n \n \n \n \n \n https://orcid.org/0000-0003-3776-9166\n \n \n \n \n Senior Manager (Conservation Impact)\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Ocean Wise\n \n \n \n \n \n \n \n \n \n \n \n \n \n 440 Cambie St #101\n \n \n Vancouver\n \n \n Canada\n \n \n \n \n \n \n www.ocean.org\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n Robinson, Chloe Victoria\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n chloe.robinson@ocean.org\n \n \n \n \n \n \n \n \n https://orcid.org/0000-0003-3776-9166\n \n \n \n \n Senior Manager (Conservation Impact)\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Ocean Wise\n \n \n \n \n \n \n \n \n \n \n \n \n \n 440 Cambie St #101\n \n \n Vancouver\n \n \n Canada\n \n \n \n \n \n \n www.ocean.org\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n Robinson, Chloe Victoria\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n chloe.robinson@ocean.org\n \n \n \n \n \n \n \n \n https://orcid.org/0000-0003-3776-9166\n \n \n \n \n Senior Manager (Conservation Impact)\n \n \n \n \n \n \n \n \n \n \n 2025-06-30T18:25:13.600Z\n \n \n revision\n \n \n \n \n \n \n 2023-03-03\n \n \n publication\n \n \n \n \n \n \n ISO 19115-1 Geographic information - Metadata\n \n \n First Edition 2014-04-01\n \n \n \n \n \n \n ISO 19115-2 Geographic information - Metadata\n \n \n Second Edition 2019-01\n \n \n \n \n \n \n ISO 19115-1 Geographic Information - Metadata Amendment 1\n \n \n 2018-02\n \n \n \n \n \n \n Canadian Integrated Ocean Observing System Metadata Profile of ISO 19115\n \n \n \n \n 2019-11-06\n \n \n publication\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Porpoises After Dark: Seasonal and Diel Patterns in Pacific Harbour Porpoise Aggregations Near the Port of Prince Rupert (2016-2022)\n \n \n Marsouins après la tombée de la nuit : tendances saisonnières et journalière des agrégations de marsouins communs du Pacifique près du Port de Prince Rupert (2016-2022)\n \n \n \n \n \n \n 2016-07-16\n \n \n creation\n \n \n \n \n \n \n 2025-06-18\n \n \n publication\n \n \n \n \n \n \n https://doi.org/10.26071/87531a9a-e56a-4258\n \n \n \n \n \n \n \n \n \n \n \n Ocean Wise\n \n \n \n \n \n \n \n \n \n \n \n \n \n 440 Cambie St #101\n \n \n Vancouver\n \n \n Canada\n \n \n \n \n \n \n www.ocean.org\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n Robinson, Chloe Victoria\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n chloe.robinson@ocean.org\n \n \n \n \n \n \n \n \n https://orcid.org/0000-0003-3776-9166\n \n \n \n \n Senior Manager (Conservation Impact)\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Ocean Wise\n \n \n \n \n \n \n \n \n \n \n \n \n \n 440 Cambie St #101\n \n \n Vancouver\n \n \n Canada\n \n \n \n \n \n \n www.ocean.org\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n Robinson, Chloe Victoria\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n chloe.robinson@ocean.org\n \n \n \n \n \n \n \n \n https://orcid.org/0000-0003-3776-9166\n \n \n \n \n Senior Manager (Conservation Impact)\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Ocean Wise\n \n \n \n \n \n \n \n \n \n \n \n \n \n 440 Cambie St #101\n \n \n Vancouver\n \n \n Canada\n \n \n \n \n \n \n www.ocean.org\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n Robinson, Chloe Victoria\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n chloe.robinson@ocean.org\n \n \n \n \n \n \n \n \n https://orcid.org/0000-0003-3776-9166\n \n \n \n \n Senior Manager (Conservation Impact)\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Ocean Wise\n \n \n \n \n \n \n \n \n \n \n \n \n \n 440 Cambie St #101\n \n \n Vancouver\n \n \n Canada\n \n \n \n \n \n \n www.ocean.org\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n Robinson, Chloe Victoria\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n chloe.robinson@ocean.org\n \n \n \n \n \n \n \n \n https://orcid.org/0000-0003-3776-9166\n \n \n \n \n Senior Manager (Conservation Impact)\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Ocean Wise\n \n \n \n \n \n \n \n \n \n \n \n \n \n 440 Cambie St #101\n \n \n Vancouver\n \n \n Canada\n \n \n \n \n \n \n www.ocean.org\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n Robinson, Chloe Victoria\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n chloe.robinson@ocean.org\n \n \n \n \n \n \n \n \n https://orcid.org/0000-0003-3776-9166\n \n \n \n \n Senior Manager (Conservation Impact)\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Ocean Wise\n \n \n \n \n \n \n \n \n \n \n \n \n \n 440 Cambie St #101\n \n \n Vancouver\n \n \n Canada\n \n \n \n \n \n \n www.ocean.org\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Pacific Harbour Porpoise (Phocoena phocoena vomerina) occupy a large range throughout coastal waters of British Columbia. Despite their wide distribution, they remain largely data-deficient regarding abundance and population trends, and as such are listed as Special Concern under the Species At Risk Act. Harbour porpoises are also particularly sensitive to disturbance, especially vessel-related acoustic disturbance. Large aggregations of harbour porpoise have been documented in waters around the entrance to the Port of Prince Rupert during the winter months, however little is known about the annual fine-scale activity of this species in this highly trafficked area. \n\nIn this multi-year study, we used a combination of land-based visual surveys and passive acoustic monitoring (PAM) devices (C-PODs and F-PODs) to address data gaps regarding density, diel patterns, and seasonality of harbour porpoise around Prince Rupert. Echolocation activity was detected during 96% of the 1086 C-POD (Cetacean -Porpoise Detector) deployment days and 100% of the 727 F-POD (Full waveform capture -Porpoise Detector) deployment days, with 86% of visual surveys recording harbour porpoise presence. We detected strong seasonal and diel trends in activity, with echolocation peaks between April and June and during the hours of darkness throughout the year. There was a notable increase in daytime activity of harbour porpoise between January and March, which coincides with the months of large aggregation observations.\n\nThis study indicates that despite the constant presence of large vessels, harbour porpoise continue to persist within waters surrounding Prince Rupert. This suggests the area is an important habitat for this species and also may indicate some extent of acclimatization to localized disturbance. It is possible to consult the scientific article related to this study:\n\n- [**Porpoises after dark: Seasonal and diel patterns in Pacific harbour porpoise (Phocoena phocoena vomerina) aggregations at one of North America’s fastest growing ports**](https://doi.org/10.3389/fmars.2022.1010095)\n\nThis project is part of Fisheries and Ocean Canada's Coastal Environmental Baseline Program.\n \n \n Le marsouin commun du Pacifique (Phocoena phocoena vomerina) occupe une vaste aire de répartition dans les eaux côtières de la Colombie-Britannique. Malgré leur vaste aire de répartition, les données concernant l'abondance et les tendances démographiques demeurent largement insuffisantes et, à ce titre, elles sont considérées comme préoccupantes en vertu de la Loi sur les espèces en péril. Les marsouins communs sont également particulièrement sensibles aux perturbations, en particulier aux perturbations acoustiques causées par les navires. De grands groupes de marsouins communs ont été observés dans les eaux autour de l'entrée du port de Prince Rupert pendant les mois d'hiver, mais on sait peu de choses sur l'activité annuelle à petite échelle de cette espèce dans cette zone très fréquentée.\n\nDans cette étude pluriannuelle, nous avons utilisé une combinaison de relevés visuels terrestres et de dispositifs (C-pods et F-pods) de surveillance acoustique passive (PAM) pour combler les lacunes en matière de données concernant la densité, les habitudes journalières et la saisonnalité des marsouins communs autour de Prince Rupert. Une activité d'écholocalisation a été détectée pendant 96 % des 1 086 jours de déploiement du C-POD *(Cetacean -Porpoise Detector)* et 100 % des 727 jours de déploiement du F-POD *(Full waveform capture -Porpoise Detector)*, 86 % des relevés visuels ayant révélé la présence de marsouins communs. Nous avons détecté de fortes tendances saisonnières et quotidiennes en matière d'activité, avec des pics d'écholocalisation entre avril et juin et pendant les heures d'obscurité tout au long de l'année. Il y a eu une augmentation notable de l'activité diurne du marsouin commun entre janvier et mars, ce qui coïncide avec les mois où de grandes agrégations ont été observées.\n\nCette étude indique que malgré la présence constante de grands navires, le marsouin commun persiste dans les eaux entourant Prince Rupert. Cela suggère que la zone constitue un habitat important pour cette espèce et peut également indiquer un certain degré d'acclimatation à des perturbations localisées. Il est possible de consulter l'article scientifique relié à cette étude :\n\n- [***Porpoises after dark: Seasonal and diel patterns in Pacific harbour porpoise (Phocoena phocoena vomerina) aggregations at one of North America’s fastest growing ports***](https://doi.org/10.3389/fmars.2022.1010095)\n\nCe projet fait partie du Programme sur les données environnementales côtières de référence de Pêches et Océans Canada.\n \n \n \n \n \n \n \n \n \n \n oceans\n \n \n \n \n \n \n true\n \n \n -130.549\n \n \n -130.255\n \n \n 54.174\n \n \n 54.362\n \n \n \n \n \n \n \n \n \n \n 6.0\n \n \n 28.0\n \n \n \n \n \n \n 5829\n \n \n EPSG\n \n \n 2012-08-10\n \n \n EPSG::5829 - Instantaneous Water Level height - Height relative to instantaneous water level uncorrected for tide. Not specific to any location or epoch.\n \n \n \n \n vertical\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n 2016-07-16T19:00:00.000Z\n 2022-01-24T20:00:00.000Z\n \n \n \n \n \n \n \n \n \n asNeeded\n \n \n Generated from https://cioos-siooc.github.io/metadata-entry-form#/en/stlaurent/mNvuOZHpsSNWU4XtABhqUORGhtH2/-NM0Jafofbu4ehudcwa-\n \n \n \n \n \n \n Oceans\n \n \n \n \n Government of Canada Core Subject Thesaurus\n \n \n \n \n 2016-10-13\n \n \n \n \n \n \n \n N/A\n \n \n \n \n \n \n \n \n passive acoustic monitoring\n \n \n chlorophyll a\n \n \n echolocation\n \n \n vessel disturbance\n \n \n \n \n chlorophylle a\n \n \n \n \n \n \n écholocation\n \n \n \n \n \n \n perturbation du navire\n \n \n \n \n \n \n surveillance acoustique passive\n \n \n \n \n \n \n default\n \n \n \n \n \n \n \n \n oceanSound\n \n \n subSurfaceSalinity\n \n \n subSurfaceTemperature\n \n \n seaState\n \n \n \n \n Paysage acoustique des océans\n \n \n \n \n \n \n Salinité sous la surface\n \n \n \n \n \n \n Température sous la surface\n \n \n \n \n \n \n État de la mer\n \n \n \n \n \n \n eov\n \n \n \n \n \n \n \n \n Animalia\n \n \n Chordata\n \n \n Mammalia\n \n \n Cetacea\n \n \n Phocoenidae\n \n \n Phocoena\n \n \n Phocoena phocoena\n \n \n \n \n Animalia\n \n \n \n \n \n \n Chordata\n \n \n \n \n \n \n Mammalia\n \n \n \n \n \n \n Cetacea\n \n \n \n \n \n \n Phocoenidae\n \n \n \n \n \n \n Phocoena\n \n \n \n \n \n \n Phocoena phocoena\n \n \n \n \n \n \n taxa\n \n \n \n \n \n \n \n \n Coastal Environmental Baseline Program\n \n \n project\n \n \n \n \n \n \n \n \n Creative Commons Attribution 4.0 Attribution\n \n \n \n \n CC-BY-4.0\n \n \n \n \n \n \n https://creativecommons.org/licenses/by/4.0\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Porpoises after dark: Seasonal and diel patterns in Pacific harbour porpoise (Phocoena phocoena vomerina) aggregations at one of North America’s fastest growing ports\n \n \n Porpoises after dark: Seasonal and diel patterns in Pacific harbour porpoise (Phocoena phocoena vomerina) aggregations at one of North America’s fastest growing ports\n \n \n \n \n \n \n \n \n DOI\n \n \n \n \n https://doi.org/10.3389/fmars.2022.1010095\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Influence of vessel disturbance on Pacific harbour porpoise (Phocoena phocoena vomerina) echolocation (2016-2022)\n \n \n Influence de la perturbation des navires sur l'écholocation du marsouin commun du Pacifique (Phocoena phocoena vomerina) (2016-2022)\n \n \n \n \n \n \n \n \n DOI\n \n \n \n \n https://doi.org/10.26071/60c47bea-d6df-49fa\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Ocean Wise\n \n \n \n \n \n \n \n \n \n \n \n \n \n 440 Cambie St #101\n \n \n Vancouver\n \n \n Canada\n \n \n \n \n \n \n www.ocean.org\n \n \n WWW:LINK\n \n \n \n \n \n \n \n \n \n \n \n Robinson, Chloe Victoria\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n chloe.robinson@ocean.org\n \n \n \n \n \n \n \n \n https://orcid.org/0000-0003-3776-9166\n \n \n \n \n Senior Manager (Conservation Impact)\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n https://github.com/chloerobinson23/Dracott-et-al-2022\n \n \n WWW:LINK\n \n \n Raw Acoustic Data and Associated Metadata\n \n \n Données acoustiques brutes et métadonnées associées\n \n \n \n \n Raw acoustic data and associated metadata related to the article: Dracott, D., Robinson, C.V., Brown-Dussault, A., Birdsall, C. & Barrett-Lennard, L. (2022). Porpoises after dark: Seasonal and diel patterns in Pacific harbour porpoise (Phocoena phocoena vomerina) aggregations at one of North America’s fastest growing ports. Frontiers in Marine Science, 9, 1010095. doi: 10.3389/fmars.2022.1010095.\n \n \n Données acoustiques brutes et métadonnées associées reliées à l'article : Dracott, D., Robinson, C.V., Brown-Dussault, A., Birdsall, C. & Barrett-Lennard, L. (2022). Porpoises after dark: Seasonal and diel patterns in Pacific harbour porpoise (Phocoena phocoena vomerina) aggregations at one of North America’s fastest growing ports. Frontiers in Marine Science, 9, 1010095. doi: 10.3389/fmars.2022.1010095.\n \n \n \n \n \n \n \n \n \n \n \n \n asNeeded\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n Cow Bay (ID: 6139) and Ridley Island WAMOS\n \n \n \n \n Ocean Networks Canada underwater monitoring station located 8.3 km from the study site (Ridley Island WAMOS): Chlorophyll A (μg/L), turbidity (NTU), sea temperature (°C) and practical salinity (PSU).\n\nFisheries and Oceans Canada (DFO) Cow Bay station (no. 6139): Sea temperature (°C)\n \n \n Station de surveillance sous-marine Ocean Networks Canada située à 8,3 km du site d'étude (Ridley Island WAMOS) : Chlorophylle A (μg/L), turbidité (NTU), température de la mer (°C) et salinité pratique (PSU).\n\nPêches et Océans Canada (MPO) Station Cow Bay (n° 6139) : Température de la mer (°C)\n \n \n \n \n \n \n moored surface buoy\n \n \n \n \n \n \n","notes_translation_method":{"en":"","fr":""},"relationships_as_subject":[],"title_translation_method":{"en":"","fr":""},"metadata-point-of-contact":[{"role":["author","custodian","distributor","owner","pointOfContact"],"individual-name":"Robinson, Chloe Victoria","organisation-name":"Ocean Wise","contact-info_email":"chloe.robinson@ocean.org","individual-uri_code":"","organisation-uri_code":"","individual-uri_version":"","individual-uri_authority":"","individual-uri_code-space":"","contact-info_online-resource":""}],"included_in_data_catalogue":[{"url":"https://catalogue.juno.cioos.ca","name":{"en":"CIOOS Catalogue","fr":"Catalogue du SIOOC"},"description":""},{"url":"https://catalogue.ogsl.ca","name":"OGSL/SLGO","description":""}],"keywords_translation_method":{"en":""},"unique-resource-identifier-full":[{"code":"https://doi.org/10.26071/87531a9a-e56a-4258","version":"","authority":"","code-space":""}]}}