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Modelling and mapping carbon capture potential of farmed blue mussels in the Baltic Sea region
Vaher, A.; Kotta, J.; Stechele, B.; Kaasik, A.; Herkül, K.; Barboza, F.R. (2024). Modelling and mapping carbon capture potential of farmed blue mussels in the Baltic Sea region. Sci. Total Environ. 947: 174613. https://dx.doi.org/10.1016/j.scitotenv.2024.174613
In: Science of the Total Environment. Elsevier: Amsterdam. ISSN 0048-9697; e-ISSN 1879-1026, meer
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| Trefwoorden |
Aquaculture
Mytilus edulis Linnaeus, 1758 [WoRMS]; Mytilus trossulus A. Gould, 1850 [WoRMS]
ANE, Baltic [Marine Regions]
Marien/Kust |
| Author keywords |
Carbon capture potential; Biocalcification; DEB model; Blue mussel; Baltic Sea |
| Auteurs | | Top |
- Vaher, A.
- Kotta, J.
- Stechele, B., meer
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- Kaasik, A.
- Herkül, K.
- Barboza, F.R.
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| Abstract |
This study applies a regional Dynamic Energy Budget (DEB) model, enhanced to include biocalcification processes, to evaluate the carbon capture potential of farmed blue mussels (Mytilus edulis/trossulus) in the Baltic Sea. The research emphasises the long-term capture of carbon associated with shell formation, crucial for mitigating global warming effects. The model was built using a comprehensive pan-Baltic dataset that includes information on mussel growth, filtration and biodeposition rates, and nutrient content. The study also examined salinity, temperature, and chlorophyll a as key environmental factors influencing carbon capture in farmed mussels. Our findings revealed significant spatial and temporal variability in carbon dynamics under current and future environmental conditions. The tested future predictions are grounded in current scientific understanding and projections of climate change effects on the Baltic Sea. Notably, the outer Baltic Sea subbasins exhibited the highest carbon capture capacity with an average of 55 t (in the present scenario) and 65 t (under future environmental conditions) of carbon sequestrated per farm (0.25 ha) over a cultivation cycle – 17 months. Salinity was the main driver of predicted regional changes in carbon capture, while temperature and chlorophyll a had more pronounced local effects. This research advances our understanding of the role low trophic aquaculture plays in mitigating climate change. It highlights the importance of developing location-specific strategies for mussel farming that consider both local and regional environmental conditions. The results contribute to the wider discourse on sustainable aquaculture development and environmental conservation. |
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