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dc.contributor.authorBosch, Johanna Lisa
dc.contributor.authorÁlvarez-Manzaneda Salcedo, María Inmaculada 
dc.contributor.authorP. Smol, John
dc.contributor.authorMichelutti, Neal
dc.contributor.authorJ. Robertson, Gregory
dc.contributor.authorI. Wilhelm, Sabina
dc.contributor.authorA. Montevecchi, William
dc.contributor.authorS. Lang, Andrew
dc.contributor.authorE. Hargan, Kathryn
dc.date.accessioned2024-10-01T07:53:06Z
dc.date.available2024-10-01T07:53:06Z
dc.date.issued2024-09-03
dc.identifier.citationBosch, J. et. al. Sci Rep 14, 20462 (2024). [https://doi.org/10.1038/s41598-024-69860-z]es_ES
dc.identifier.urihttps://hdl.handle.net/10481/95300
dc.description.abstractSeabird colonies with long-term monitoring records, i.e., > 50 years, are rare. The population data for northern gannets (Morus bassanus) in Cape St. Mary’s (CSM) Ecological Reserve (Newfoundland and Labrador, Canada) is robust, extending back to 1883 when the colony was presumed established. We inferred the colony’s historical population shifts by measuring ornithogenic proxies in a dated sediment record collected from a nearby pond. Our record extended to the early eighteenth century, but the proxy data only began to show significant signs of seabird presence between ca. 1832 and 1910, aligning with the period gannets were first observed at CSM. Through the twentieth century, we observed significant increases in δ15N, P, Zn, Cd, and chlorophyll a, coeval with a shift in the dominant diatom species, indicating rapid colony growth. The proxies were overall highest in ca. 2005, corresponding to the reported historical maximum of the gannet colony in 2009. Our results validate that paleo-reconstructions using ornithogenic proxies can accurately reflect population trends and provide a stronger understanding of the colony’s establishment and growth. This study highlights the value of applying paleolimnological methods in seabird population studies to frame the history of a colony’s dynamics and inform conservation efforts.es_ES
dc.description.sponsorshipNatural Areas Program for their Wilderness and Ecological Reserve Permit #03294es_ES
dc.description.sponsorshipProject PAST, financially supported by the European Commission (H2020-MSCA-IF-2019, Grant No. 897535)es_ES
dc.language.isoenges_ES
dc.publisherNature Researches_ES
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectPaleolimnologyes_ES
dc.subjectMetalses_ES
dc.subjectAtlantices_ES
dc.titleBlending census and paleolimnological data allows for tracking the establishment and growth of a major gannet colony over several centurieses_ES
dc.typejournal articlees_ES
dc.relation.projectIDinfo:eu-repo/grantAgreement/EC/H2020/897535es_ES
dc.rights.accessRightsopen accesses_ES
dc.identifier.doi10.1038/s41598-024-69860-z
dc.type.hasVersionVoRes_ES


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