Elemental composition and organic content of the salp Soestia zonaria in the temperate Northeast Atlantic and the Southwest Pacific over the Chatham Rise
2023
Lüskow, Florian | Bahl, Alexis A | Décima, Moira | Steinberg, Deborah K | Pakhomov, Evgeny A
Although the oceanic widespread pelagic tunicate Soestia zonaria has been studied for more than a century, little ecological information exists. Soestia primarily occurs in tropical to warm-temperate regions. Soestia specimens were collected in 2008 and 2021 during two research expeditions (EXPORTS cruise to the Northeast Atlantic and TAN0806 over the Chatham Rise, New Zealand) using MOCNESS-1 net and large midwater trawl with maximum sampling depths of 1000 m. In total, 140 Soestia specimens (oral-atrial length: 7–54 mm) were analysed for biomass parameters (wet weight, dry weight, ash-free dry weight, water content, organic content) and stoichiometry (carbon and nitrogen content, carbon-to-nitrogen ratio).
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