Experiment on the response of the sea star Asterias rubens to heat stress and ocean acidification: experiment 2: accumulation of anaerobic end products during heat stress under fully aerobic water conditions
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| Main Authors: | , , , , , , , |
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| Format: | Dataset Open Access |
| Language: | en |
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PANGAEA
2022
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| _version_ | 1867172180818657280 |
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| author | Melzner, Frank Findeisen, Ulrike Bock, Christian Panknin, Ulrike Kiko, Rainer Hiebenthal, Claas Lenz, Mark Wall, Marlene |
| author_facet | Melzner, Frank Findeisen, Ulrike Bock, Christian Panknin, Ulrike Kiko, Rainer Hiebenthal, Claas Lenz, Mark Wall, Marlene |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | Robust estimates of marine species vulnerability to ongoing climate change require realistic stressor experiments. Here, we subjected an important coastal predator, the sea star Asterias rubens, to projected warming and ocean acidification over an annual seasonal cycle. Warming and, less so, acidification, had strongly season-specific impacts on animal energy budgets. Specifically, simulated future summer temperatures caused >95% sea star mortality, reduced feeding rate and body mass loss. Additional acute experiments demonstrated that respiratory oxygen flux was preferentially directed to support high summer metabolism at the expense of feeding-related processes. Using 15 years of field temperature data and end of century warming projections, we estimate that potentially lethal summer heat waves will occur in 20% of future years. Our study demonstrates the importance of assessing stress responses along seasonal thermal cycles and the high selective force that future summer heat waves likely can exert on coastal marine animal populations. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_949417 |
| institution | PANGAEA |
| language | en |
| publishDate | 2022 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Experiment on the response of the sea star Asterias rubens to heat stress and ocean acidification: experiment 2: accumulation of anaerobic end products during heat stress under fully aerobic water conditions Melzner, Frank Findeisen, Ulrike Bock, Christian Panknin, Ulrike Kiko, Rainer Hiebenthal, Claas Lenz, Mark Wall, Marlene Asterias rubens; Baltic Sea; Climate - Biogeochemistry Interactions in the Tropical Ocean; Cluster of Excellence: The Future Ocean; Concentration; DATE/TIME; ECO2; Experiment; FutureOcean; Metabolite; oxygen diffusion; Replicate; sea star; SFB754; Sub-seabed CO2 Storage: Impact on Marine Ecosystems; Temperature; Temperature, water Robust estimates of marine species vulnerability to ongoing climate change require realistic stressor experiments. Here, we subjected an important coastal predator, the sea star Asterias rubens, to projected warming and ocean acidification over an annual seasonal cycle. Warming and, less so, acidification, had strongly season-specific impacts on animal energy budgets. Specifically, simulated future summer temperatures caused >95% sea star mortality, reduced feeding rate and body mass loss. Additional acute experiments demonstrated that respiratory oxygen flux was preferentially directed to support high summer metabolism at the expense of feeding-related processes. Using 15 years of field temperature data and end of century warming projections, we estimate that potentially lethal summer heat waves will occur in 20% of future years. Our study demonstrates the importance of assessing stress responses along seasonal thermal cycles and the high selective force that future summer heat waves likely can exert on coastal marine animal populations. |
| title | Experiment on the response of the sea star Asterias rubens to heat stress and ocean acidification: experiment 2: accumulation of anaerobic end products during heat stress under fully aerobic water conditions |
| topic | Asterias rubens; Baltic Sea; Climate - Biogeochemistry Interactions in the Tropical Ocean; Cluster of Excellence: The Future Ocean; Concentration; DATE/TIME; ECO2; Experiment; FutureOcean; Metabolite; oxygen diffusion; Replicate; sea star; SFB754; Sub-seabed CO2 Storage: Impact on Marine Ecosystems; Temperature; Temperature, water |
| url | https://doi.org/10.1594/PANGAEA.949417 |