globalchange  > 气候变化与战略
DOI: 10.1073/pnas.2016811117
论文题名:
Linking 19th century European settlement to the disruption of a seabird's natural population dynamics
作者: Duda M.P.; Allen-Mahe S.; Barbraud C.; Blais J.M.; Boudreau A.; Bryant R.; Delord K.; Grooms C.; Kimpe L.E.; Letournel B.; Lim J.E.; Lormee H.; Michelutti N.; Robertson G.J.; Urtizberea F.; Wilhelm S.I.; Smol J.P.
刊名: Proceedings of the National Academy of Sciences of the United States of America
ISSN: 0027-8424
出版年: 2020
卷: 117, 期:51
起始页码: 32484
结束页码: 32492
语种: 英语
英文关键词: Conservation ; Islands ; Paleolimnology ; Population decline ; Shifting baselines
Scopus关键词: article ; Atlantic Ocean ; human ; natural population ; nonhuman ; paleolimnology ; population cycle ; rehabilitation ; seabird ; sentinel species
英文摘要: Recent estimates indicate that ∼70% of the world's seabird populations have declined since the 1950s due to human activities. However, for almost all bird populations, there is insufficient long-term monitoring to understand baseline (i.e., preindustrial) conditions, which are required to distinguish natural versus anthropogenically driven changes. Here, we address this lack of long-term monitoring data with multiproxy paleolimnological approaches to examine the long-term population dynamics of a major colony of Leach's Storm-petrel (Hydrobates leucorhous) on Grand Colombier Island in the St. Pierre and Miquelon archipelago-an overseas French territory in the northwest Atlantic Ocean. By reconstructing the last ∼5,800 y of storm-petrel dynamics, we demonstrate that this colony underwent substantial natural fluctuations until the start of the 19th century, when population cycles were disrupted, coinciding with the establishment and expansion of a European settlement. Our paleoenvironmental data, coupled with on-the-ground population surveys, indicate that the current colony is only ∼16% of the potential carrying capacity, reinforcing concerning trends of globally declining seabird populations. As seabirds are sentinel species of marine ecosystem health, such declines provide a call to action for global conservation. In response, we emphasize the need for enlarged protected areas and the rehabilitation of disturbed islands to protect ecologically critical seabird populations. Furthermore, long-term data, such as those provided by paleoecological approaches, are required to better understand shifting baselines in conservation to truly recognize current rates of ecological loss. © 2020 National Academy of Sciences. All rights reserved.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/163895
Appears in Collections:气候变化与战略

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作者单位: Duda, M.P., Paleoecological Environmental Assessment and Research Laboratory, Department of Biology, Queen's University, Kingston, ON K7L 3N6, Canada; Allen-Mahe, S., Maison de la Nature et de l'Environnement, Place des Ardilliers, BP8333, Miquelon, Langlade, St. Pierre et Miquelon, France; Barbraud, C., Centre d'Études Biologiques de Chizé, UMR 7372 du CNRS, La Rochelle Université, Villiers-en-Bois, 79360, France; Blais, J.M., Department of Biology, University of Ottawa, Ottawa, ON K1N 6N5, Canada; Boudreau, A., Association SPM Frag'îles, St. Pierre et Miquelon, 97500, France; Bryant, R., The Alder Institute, Tors Cove, NL A0A 4A0, Canada; Delord, K., Centre d'Études Biologiques de Chizé, UMR 7372 du CNRS, La Rochelle Université, Villiers-en-Bois, 79360, France; Grooms, C., Paleoecological Environmental Assessment and Research Laboratory, Department of Biology, Queen's University, Kingston, ON K7L 3N6, Canada; Kimpe, L.E., Department of Biology, University of Ottawa, Ottawa, ON K1N 6N5, Canada; Letournel, B., Office Français de la Biodiversité, Service Départemental de Saint-Pierre-et-Miquelon, Saint Pierre et Miquelon, 97500, France; Lim, J.E., Paleoecological Environmental Assessment and Research Laboratory, Department of Biology, Queen's University, Kingston, ON K7L 3N6, Canada; Lormee, H., Office Français de la Biodiversité, Direction de la Recherche et de l'Appui Scientifique-Unité Avifaune Migratrice, Station de Chizé, Carrefour de la Canauderie, Villiers-en-Bois, 79360, France; Michelutti, N., Paleoecological Environmental Assessment and Research Laboratory, Department of Biology, Queen's University, Kingston, ON K7L 3N6, Canada; Robertson, G.J., Wildlife Research Division, Environment Canada and Climate Change, Mount Pearl, NL A1N 4T3, Canada; Urtizberea, F., Direction Territoriale de l'Alimentation et de la Mer, Service Agriculture, Eau et Biodiversité, Quai de l'Alysse, BP4217, Saint Pierre et Miquelon, 97500, France; Wilhelm, S.I., Canadian Wildlife Service, Environment Canada and Climate Change, Mount Pearl, NL A1N 4T3, Canada; Smol, J.P., Paleoecological Environmental Assessment and Research Laboratory, Department of Biology, Queen's University, Kingston, ON K7L 3N6, Canada

Recommended Citation:
Duda M.P.,Allen-Mahe S.,Barbraud C.,et al. Linking 19th century European settlement to the disruption of a seabird's natural population dynamics[J]. Proceedings of the National Academy of Sciences of the United States of America,2020-01-01,117(51)
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