Climate oscillations drive millennial-scale changes in seabird colony size

Matthew Duda, Frédéric Cyr, Gregory Robertson, Neal Michelutti, Carsten Meyer-Jacob, April Hedd, William Montevecchi, Linda Kimpe, Jules Blais & John Smol
Seabird population size is intimately linked to the physical, chemical, and biological processes of the oceans. Yet, the overall effects of long-term changes in ocean dynamics on seabird colonies are difficult to quantify. Here, we used dated lake sediments to reconstruct ~10,000-years of seabird dynamics in the Northwest Atlantic to determine the influences of Holocene-scale climatic oscillations on colony size. On Baccalieu Island (Newfoundland and Labrador, Canada) – where the world’s largest colony of Leach’s...
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