Cumulative impacts of climate change and oil pollution on Arctic copepods ...

This presentation was held in March 2024 during the 7th International Zooplankton Production Symposium in Hobart (Australia) Abstract: Arctic biota are exposed to multiple stressors, among these climate change and pollution. These are expected to increase in the Arctic in the future. Still, their co...

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Bibliographic Details
Main Authors: Rist, Sinja, Rask, Sofie, Ntinou, Iliana V., Varpe, Øystein, Lindegren, Martin, Ugwu, Kevin, Larsson, Maria, Sjöberg, Viktor, Nielsen, Torkel Gissel
Format: Still Image
Language:unknown
Published: Zenodo 2024
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Online Access:https://dx.doi.org/10.5281/zenodo.12684939
https://zenodo.org/doi/10.5281/zenodo.12684939
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Summary:This presentation was held in March 2024 during the 7th International Zooplankton Production Symposium in Hobart (Australia) Abstract: Arctic biota are exposed to multiple stressors, among these climate change and pollution. These are expected to increase in the Arctic in the future. Still, their combined impact on the marine ecosystem is not well understood. In this study, we investigated the cumulative impact of crude oil, warming and freshening on the feeding of the copepod species Calanus glacialis and Calanus finmarchicus in Western Greenland. Adult females were exposed to ambient conditions (0°C + 33 psu) and two scenarios of climate change: 5°C + 27 psu (Scenario 1), 5°C + 20 psu (Scenario 2). All three conditions were tested in the absence and presence of mechanically dispersed crude oil (1 µL L-1). During the six days of exposure, incubations were renewed daily and the number of fecal pellets was counted. The fecal pellet volume was measured three times. Warming from 0 to 5°C plus freshening from 33 ...