ArticleNature communications2021
Krill and salp faecal pellets contribute equally to the carbon flux at the Antarctic Peninsula.
Article in Nature communications, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 54 citations in OpenAlex.
- Article
- Time matters: Transcriptomic insights into temporally regulated reproductive and physiological processes in the life cycle of salps.PloS one · 2025Article
- Antarctic krill sequester similar amounts of carbon to key coastal blue carbon habitats.Nature communications · 2024Article
- Direct observations of microbial community succession on sinking marine particles.The ISME journal · 2024Article
- Gene expression patterns ofBiology letters · 2023Article
- Article
- The role of water mass advection in staging of the Southern Ocean Salpa thompsoni populations.Scientific reports · 2023Article
- Review
- Organic or junk food? Microplastic contamination in Antarctic krill and salps.Royal Society open science · 2023Article
- Recovery of carbon benefits by overharvested baleen whale populations is threatened by climate change.Proceedings. Biological sciences · 2022Article
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Authors and funding
12 authors at 5 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Krill and salps are important for carbon flux in the Southern Ocean, but the extent of their contribution and the consequences of shifts in dominance from krill to salps remain unclear. We present a direct comparison of the contribution of krill and salp faecal pellets (FP) to vertical carbon flux at the Antarctic Peninsula using a combination of sediment traps, FP production, carbon content, microbial degradation, and krill and salp abundances. Salps produce 4-fold more FP carbon than krill, but the FP from both species contribute equally to the carbon flux at 300 m, accounting for 75% of total carbon. Krill FP are exported to 72% to 300 m, while 80% of salp FP are retained in the mixed layer due to fragmentation. Thus, declining krill abundances could lead to decreased carbon flux, indicating that the Antarctic Peninsula could become a less efficient carbon sink for anthropogenic CO
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