ArticleScientific reports2020
Long-term observations from Antarctica demonstrate that mismatched scales of fisheries management and predator-prey interaction lead to erroneous conclusions about precaution.
Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.
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Who cites it
23 citing papers in PubMed.
- Genomic analyses reveal trans-generational haul out site fidelity in leopard seals.Scientific reports · 2025Article
- Adjusting the management of the Antarctic krill fishery to meet the challenges of the 21st century.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Mapping encounters between Antarctic krill fishing vessels and air-breathing krill predators using acoustic data from the fishery.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Long-distance winter migrations of chinstrap penguins and elephant seals to a persistent bloom at the edge of the Ross Gyre.Scientific reports · 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
- Availability to predators and a size structure of the Antarctic krill Euphausia superba in the 48.1 CCAMLR subarea.Scientific reports · 2024Article
- Whale recovery and the emerging human-wildlife conflict over Antarctic krill.Nature communications · 2024Review
- CS-PHOC: weekly census counts of Southern Ocean phocids at Cape Shirreff, Livingston Island.Scientific data · 2024Article
- Identifying prey capture events of a free-ranging marine predator using bio-logger data and deep learning.Royal Society open science · 2024Article
- Quantifying Antarctic krill connectivity across the West Antarctic Peninsula and its role in large-scale Pygoscelis penguin population dynamics.Scientific reports · 2023Article
- Contrasting environmental conditions precluded lower availability of Antarctic krill affecting breeding chinstrap penguins in the Antarctic Peninsula.Scientific reports · 2023Article
- Long-term High Resolution Image Dataset of Antarctic Coastal Benthic Fauna.Scientific data · 2022Article
- Conservation in the Scotia Sea in light of expiring regulations and disrupted negotiations.Conservation biology : the journal of the Society for Conservation Biology · 2022Article
- Intra-season variations in distribution and abundance of humpback whales in the West Antarctic Peninsula using cruise vessels as opportunistic platforms.Ecology and evolution · 2022Article
- Intensive production of the harpacticoid copepod Tigriopus californicus in a zero-effluent 'green water' bioreactor.Scientific reports · 2022Article
- Article
- Large-scale assessment of intra- and inter-annual breeding success using a remote camera network.Remote sensing in ecology and conservation · 2021Article
- Coastal regions of the northern Antarctic Peninsula are key for gentoo populations.Biology letters · 2021Article
- Acute bottlenecks to the survival of juvenileBiology letters · 2020Article
- A global population assessment of the Chinstrap penguin (Pygoscelis antarctica).Scientific reports · 2020Article
Corrections and comments
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Low catch limits for forage species are often considered to be precautionary measures that can help conserve marine predators. Difficulties measuring the impacts of fisheries removals on dependent predators maintain this perspective, but consideration of the spatio-temporal scales over which forage species, their predators, and fisheries interact can aid assessment of whether low catch limits are as precautionary as presumed. Antarctic krill are targeted by the largest fishery in the Southern Ocean and are key forage for numerous predators. Current krill removals are considered precautionary and have not been previously observed to affect krill-dependent predators, like penguins. Using a hierarchical model and 30+ years of monitoring data, we show that expected penguin performance was reduced when local harvest rates of krill were ≥0.1, and this effect was similar in magnitude to that of poor environmental conditions. With continued climate warming and high local harvest rates, future observations of penguin performance are predicted to be below the long-term mean with a probability of 0.77. Catch limits that are considered precautionary for forage species simply because the limit is a small proportion of the species' standing biomass may not be precautionary for their predators.
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