ArticleCommunications biology2023
Water masses shape pico-nano eukaryotic communities of the Weddell Sea.
Article in Communications biology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- Microbial fingerprinting of marine water masses in an Antarctic and hydrographically complex area.BMC biology · 2026Article
- Protist diversity and community structure around the Xianbei Seamount in the South China Sea.Microbiology spectrum · 2026Article
- Global biogeography of the smallest plankton across ocean depths.Science advances · 2023Article
- Recent expansion of metabolic versatility in Diplonema papillatum, the model species of a highly speciose group of marine eukaryotes.BMC biology · 2023Article
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Authors and funding
5 authors.
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Abstract
Polar oceans belong to the most productive and rapidly changing environments, yet our understanding of this fragile ecosystem remains limited. Here we present an analysis of a unique set of DNA metabarcoding samples from the western Weddell Sea sampled throughout the whole water column and across five water masses with different characteristics and different origin. We focus on factors affecting the distribution of planktonic pico-nano eukaryotes and observe an ecological succession of eukaryotic communities as the water masses move away from the surface and as oxygen becomes depleted with time. At the beginning of this succession, in the photic zone, algae, bacteriovores, and predators of small eukaryotes dominate the community, while another community develops as the water sinks deeper, mostly composed of parasitoids (syndinians), mesoplankton predators (radiolarians), and diplonemids. The strongly correlated distribution of syndinians and diplonemids along the depth and oxygen gradients suggests their close ecological link and moves us closer to understanding the biological role of the latter group in the ocean ecosystem.
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