{"help":"https://catalogue.cioos.ca/api/3/action/help_show?name=package_show","success":true,"result":{"id":"9b7adebb-5027-486a-8ed1-f97b5353a480","ecv":["nutrients"],"eov":["nutrients","other"],"url":null,"name":"ca-cioos_6ebe47c3-6d59-4cb2-a7ba-111698445d8d","tags":[],"type":"dataset","notes":"Dans cette étude d'observation, nous quantifions la relation entre l'activité des aigles, la chimie du sol et la composition de la végétation. Ce jeu de données comprend la description des placettes, des informations sur les aigles et les arbres de référence, des données sur la végétation et des données chimiques Les données sont présentées sous forme de tableau.\n\nSur la base du comportement alimentaire et des habitudes de nidification, je propose que le pygargue à tête blanche (Haliaeetus leucocephalus) est un important vecteur de transfert des nutriments marins. 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This dataset consists of plot description, eagle and reference tree information, vegetation data, and soil chemistry data. Data is in tabular form.\\n\\nBased on foraging behavior and nesting habits, I propose that bald eagles (Haliaeetus leucocephalus) are an important vector of marine nutrient transfer. Although their diet is largely marine-based, bald eagles generally consume their prey on land. This behavior results in deposition of guano and prey remains that are likely chemically or nutritionally similar to seabird guano and may produce similar ecological responses. Altered soil characteristics may include increased concentration of marine-derived nitrogen (\\u03b415N), total nitrogen, and phosphorous, and decreased pH. Previous research shows a correlation between changes in soil chemistry and an increase in plant biomass and decrease in plant species richness at seabird colony sites, presumably because certain plant species were able to dominate under high nutrient-low pH conditions. If long-term additions of nitrogen from bald eagle guano and prey remains do change soil chemistry, a shift toward more nitrophilous species may be most evident in the homogenous, salal-dominated understories of Central Coast islands.\\\", \\\"edition-date\\\": \\\"\\\", \\\"publisher\\\": \\\"Hakai Institute\\\", \\\"title\\\": \\\"Bald eagles as vectors of marine nutrients \\u2013 Central Coast Islands (100 Islands study area) \\u2013 May \\u2013 July 2017\\\", \\\"version\\\": \\\"1.0\\\", \\\"DOI\\\": \\\"10.21966/2svf-e642\\\", \\\"language\\\": \\\"en\\\", \\\"URL\\\": \\\"https://catalogue.hakai.org/dataset/ca-cioos_6ebe47c3-6d59-4cb2-a7ba-111698445d8d?local=en\\\"}]","fr":"[{\\\"type\\\": \\\"dataset\\\", \\\"id\\\": \\\"ca.cioos_6ebe47c3-6d59-4cb2-a7ba-111698445d8d\\\", \\\"author\\\": [{\\\"given\\\": \\\"Luba\\\", \\\"family\\\": \\\"Reshitnyk\\\"}], \\\"issued\\\": [{\\\"date-parts\\\": [\\\"2024\\\", \\\"01\\\", \\\"01\\\"]}], \\\"abstract\\\": \\\"Dans cette \\u00e9tude d'observation, nous quantifions la relation entre l'activit\\u00e9 des aigles, la chimie du sol et la composition de la v\\u00e9g\\u00e9tation. Ce jeu de donn\\u00e9es comprend la description des placettes, des informations sur les aigles et les arbres de r\\u00e9f\\u00e9rence, des donn\\u00e9es sur la v\\u00e9g\\u00e9tation et des donn\\u00e9es chimiques Les donn\\u00e9es sont pr\\u00e9sent\\u00e9es sous forme de tableau.\\n\\nSur la base du comportement alimentaire et des habitudes de nidification, je propose que le pygargue \\u00e0 t\\u00eate blanche (Haliaeetus leucocephalus) est un important vecteur de transfert des nutriments marins. Bien que leur r\\u00e9gime alimentaire soit essentiellement marin, les pygargues \\u00e0 t\\u00eate blanche consomment g\\u00e9n\\u00e9ralement leurs proies sur la terre ferme. Ce comportement entra\\u00eene le d\\u00e9p\\u00f4t de restes de guano et de proies qui sont probablement similaires sur le plan chimique ou nutritionnel au guano des oiseaux de mer et peuvent produire des r\\u00e9actions \\u00e9cologiques similaires. Les modifications des caract\\u00e9ristiques du sol peuvent inclure une concentration accrue d'azote d'origine marine (\\u039415N), d'azote total et de phosphore, ainsi qu'une baisse du pH. Des recherches ant\\u00e9rieures ont montr\\u00e9 une corr\\u00e9lation entre les changements dans la chimie du sol et une augmentation de la biomasse v\\u00e9g\\u00e9tale et une diminution de la richesse en esp\\u00e8ces v\\u00e9g\\u00e9tales sur les sites de colonies d'oiseaux de mer, probablement parce que certaines esp\\u00e8ces v\\u00e9g\\u00e9tales \\u00e9taient capables de dominer dans des conditions de pH \\u00e9lev\\u00e9 et faible en nutriments. Si les ajouts \\u00e0 long terme d'azote provenant du guano de pygargue \\u00e0 t\\u00eate blanche et des restes de proies modifient la chimie du sol, un changement vers des esp\\u00e8ces plus nitrophiles pourrait \\u00eatre plus \\u00e9vident dans les sous-\\u00e9tages homog\\u00e8nes domin\\u00e9s par les salals des \\u00eeles de la c\\u00f4te centrale.\\\", \\\"edition-date\\\": \\\"\\\", \\\"publisher\\\": \\\"Hakai Institute\\\", \\\"title\\\": \\\"Les pygargues \\u00e0 t\\u00eate blanche en tant que vecteurs d'\\u00e9l\\u00e9ments nutritifs marins \\u2014 \\u00eeles de la c\\u00f4te centrale (zone d'\\u00e9tude des 100 \\u00eeles) \\u2014 mai \\u2014 juillet 2017\\\", \\\"version\\\": \\\"1.0\\\", \\\"DOI\\\": \\\"10.21966/2svf-e642\\\", \\\"language\\\": \\\"fr\\\", \\\"URL\\\": 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this observational study, we quantify the relationship between eagle activity, soil chemistry, and vegetation composition.  This dataset consists of plot description, eagle and reference tree information, vegetation data, and soil chemistry data. Data is in tabular form.\n\nBased on foraging behavior and nesting habits, I propose that bald eagles (Haliaeetus leucocephalus) are an important vector of marine nutrient transfer. Although their diet is largely marine-based, bald eagles generally consume their prey on land. This behavior results in deposition of guano and prey remains that are likely chemically or nutritionally similar to seabird guano and may produce similar ecological responses. Altered soil characteristics may include increased concentration of marine-derived nitrogen (δ15N), total nitrogen, and phosphorous, and decreased pH. Previous research shows a correlation between changes in soil chemistry and an increase in plant biomass and decrease in plant species richness at seabird colony sites, presumably because certain plant species were able to dominate under high nutrient-low pH conditions. If long-term additions of nitrogen from bald eagle guano and prey remains do change soil chemistry, a shift toward more nitrophilous species may be most evident in the homogenous, salal-dominated understories of Central Coast islands.","fr":"Dans cette étude d'observation, nous quantifions la relation entre l'activité des aigles, la chimie du sol et la composition de la végétation. Ce jeu de données comprend la description des placettes, des informations sur les aigles et les arbres de référence, des données sur la végétation et des données chimiques Les données sont présentées sous forme de tableau.\n\nSur la base du comportement alimentaire et des habitudes de nidification, je propose que le pygargue à tête blanche (Haliaeetus leucocephalus) est un important vecteur de transfert des nutriments marins. Bien que leur régime alimentaire soit essentiellement marin, les pygargues à tête blanche consomment généralement leurs proies sur la terre ferme. Ce comportement entraîne le dépôt de restes de guano et de proies qui sont probablement similaires sur le plan chimique ou nutritionnel au guano des oiseaux de mer et peuvent produire des réactions écologiques similaires. Les modifications des caractéristiques du sol peuvent inclure une concentration accrue d'azote d'origine marine (Δ15N), d'azote total et de phosphore, ainsi qu'une baisse du pH. Des recherches antérieures ont montré une corrélation entre les changements dans la chimie du sol et une augmentation de la biomasse végétale et une diminution de la richesse en espèces végétales sur les sites de colonies d'oiseaux de mer, probablement parce que certaines espèces végétales étaient capables de dominer dans des conditions de pH élevé et faible en nutriments. Si les ajouts à long terme d'azote provenant du guano de pygargue à tête blanche et des restes de proies modifient la chimie du sol, un changement vers des espèces plus nitrophiles pourrait être plus évident dans les sous-étages homogènes dominés par les salals des îles de la côte centrale."},"title_translated":{"en":"Bald eagles as vectors of marine nutrients – Central Coast Islands (100 Islands study area) – May – July 2017","fr":"Les pygargues à tête blanche en tant que vecteurs d'éléments nutritifs marins — îles de la côte centrale (zone d'étude des 100 îles) — mai — juillet 2017"},"xml_location_url":"https://metadata-generator-proxy.server.hakai.app/metadata/hakai/bald_eagles_as_vectors_of_mari_6ebe4.xml","metadata-language":"en","metadata_modified":"2026-09-16T20:32:18.642671","frequency-of-update":"asNeeded","dataset-reference-date":[{"type":"creation","value":"2017-05-20"},{"type":"publication","value":"2024-01-01"}],"cited-responsible-party":[{"role":["custodian","pointOfContact"],"individual-name":"Reshitnyk, Luba","organisation-name":"Hakai Institute","contact-info_email":"luba.reshitnyk@hakai.org","individual-uri_code":"https://orcid.org/0000-0003-0282-724X","organisation-uri_code":"https://ror.org/02pry0c91","individual-uri_version":"","individual-uri_authority":"","organisation-uri_version":"","individual-uri_code-space":"","organisation-uri_authority":"","organisation-uri_code-space":"","contact-info_online-resource":""},{"role":"publisher","individual-name":"","organisation-name":"Hakai Institute","contact-info_email":"","organisation-uri_code":"https://ror.org/02pry0c91","organisation-uri_version":"","organisation-uri_authority":"","organisation-uri_code-space":""}],"metadata-reference-date":[{"type":"publication","value":"2022-01-24"},{"type":"revision","value":"2026-05-25"}],"relationships_as_object":[],"notes_translation_method":{"en":"","fr":"text translated using the Amazon translate service / texte traduit à l'aide du service de traduction Amazon"},"relationships_as_subject":[],"title_translation_method":{"en":"","fr":"text translated using the Amazon translate service / texte traduit à l'aide du service de traduction Amazon"},"metadata-point-of-contact":[{"role":["distributor","pointOfContact"],"individual-name":"Miller, Becky","organisation-name":"University of Victoria","contact-info_email":"beckymiller.uvic@gmail.com","individual-uri_code":"","organisation-uri_code":"https://ror.org/04s5mat29","organisation-uri_version":"","organisation-uri_authority":"","organisation-uri_code-space":"","contact-info_online-resource":""},{"role":["custodian","pointOfContact"],"individual-name":"Reshitnyk, Luba","organisation-name":"Hakai Institute","contact-info_email":"luba.reshitnyk@hakai.org","individual-uri_code":"https://orcid.org/0000-0003-0282-724X","organisation-uri_code":"https://ror.org/02pry0c91","individual-uri_version":"","individual-uri_authority":"","organisation-uri_version":"","individual-uri_code-space":"","organisation-uri_authority":"","organisation-uri_code-space":"","contact-info_online-resource":""},{"role":"owner","individual-name":"","organisation-name":"Hakai Institute","contact-info_email":"data@hakai.org","individual-uri_code":"","organisation-uri_code":"https://ror.org/02pry0c91","organisation-uri_version":"","organisation-uri_authority":"","organisation-uri_code-space":""},{"role":"funder","individual-name":"","organisation-name":"Tula Foundation","contact-info_email":"","individual-uri_code":"","organisation-uri_code":"https://ror.org/02pry0c91","organisation-uri_version":"","organisation-uri_authority":"","organisation-uri_code-space":""}],"included_in_data_catalogue":[{"url":"https://catalogue.cioos.ca","name":{"en":"CIOOS Catalogue","fr":"Catalogue du SIOOC"},"description":""},{"url":"https://catalogue.hakai.org","name":{"en":"Hakai Data Catalogue","fr":"Hakai Data Catalogue"},"description":{"en":"Science on the Coastal Margin","fr":"Science on the Coastal Margin"}},{"url":"https://temp_cat.cioospacific.ca","name":{"en":"CIOOS Pacific","fr":"SIOOC Pacifique"},"description":{"en":"A description of the Catalogue","fr":"Une description du catalogue"}}],"keywords_translation_method":{"en":""},"unique-resource-identifier-full":[{"code":"https://doi.org/10.21966/2svf-e642","version":"","authority":"","code-space":""}]}}