What is it about?

We used lake sediments to explore the long-term population trends of a threatened seabird. Based on surveys, the population appeared to be in decline since the 1980s. But with our long-term data, we expanded the timescale to 1700 years, and found that the colony naturally fluctuated before recent declines.

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Why is it important?

Long-term data are needed to provide context to recent trends. Without such data, it is difficult to distinguish natural variability from important drivers of population decline.

Read the Original

This page is a summary of: Striking centennial-scale changes in the population size of a threatened seabird, Proceedings of the Royal Society B Biological Sciences, January 2020, Royal Society Publishing, DOI: 10.1098/rspb.2019.2234.
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