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Population Trend of the World’s Monitored Seabirds, 1950-2010

Fig 2

Population trend, 1950–2010, of the world’s monitored seabirds, estimated by multivariate autoregressive state-space (MARSS) modeling.

Total number of birds in each year was calculated by summing the MARSS estimates for each population, including estimates from years without population estimates. The total population at the end of the time period was 30.3% of the population at the start, representing a 69.7% loss. Dashed lines represent 95% confidence intervals.

Fig 2

doi: https://doi.org/10.1371/journal.pone.0129342.g002