ArticleProceedings. Biological sciences2024
Advances in remote sensing of emperor penguins: first multi-year time series documenting trends in the global population.
Article in Proceedings. Biological sciences, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- An Antarctic ecosystem value index to quantify ecological value across trophic levels and over time.Nature communications · 2026Article
- Year-round movement of emperor penguin colonies observed from space.Communications earth & environment · 2026Article
- Coupling Genetic and Demographic Data to Reveal Dispersal Processes in Emperor Penguins.Ecology and evolution · 2025Article
- Scaling up ocean conservation through recognition of key biodiversity areas in the Southern Ocean from multispecies tracking data.Conservation biology : the journal of the Society for Conservation Biology · 2025Article
- Remote sensing of emperor penguin abundance and breeding success.Nature communications · 2024Article
- Advances in remote sensing of emperor penguins: first multi-year time series documenting trends in the global population.Proceedings. Biological sciences · 2024Article
Corrections and comments
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Authors and funding
23 authors.
Funding
Abstract
Like many polar animals, emperor penguin populations are challenging to monitor because of the species' life history and remoteness. Consequently, it has been difficult to establish its global status, a subject important to resolve as polar environments change. To advance our understanding of emperor penguins, we combined remote sensing, validation surveys and using Bayesian modelling, we estimated a comprehensive population trajectory over a recent 10-year period, encompassing the entirety of the species' range. Reported as indices of abundance, our study indicates with 81% probability that there were fewer adult emperor penguins in 2018 than in 2009, with a posterior median decrease of 9.6% (95% credible interval (CI) -26.4% to +9.4%). The global population trend was -1.3% per year over this period (95% CI = -3.3% to +1.0%) and declines probably occurred in four of eight fast ice regions, irrespective of habitat conditions. Thus far, explanations have yet to be identified regarding trends, especially as we observed an apparent population uptick toward the end of time series. Our work potentially establishes a framework for monitoring other Antarctic coastal species detectable by satellite, while promoting a need for research to better understand factors driving biotic changes in the Southern Ocean ecosystem.
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Registered trials
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