Multi-use of offshore wind farms with low-trophic aquaculture can help achieve global sustainability goals

被引:18
作者
Maar, Marie [1 ]
Holbach, Andreas [1 ]
Boderskov, Teis [2 ,3 ]
Thomsen, Marianne [4 ,5 ]
Buck, Bela H. [6 ,7 ]
Kotta, Jonne [8 ]
Bruhn, Annette [2 ,3 ]
机构
[1] Aarhus Univ, Dept Ecosci, Frederiksborgvej 399, DK-4000 Roskilde, Denmark
[2] Aarhus Univ, Dept Ecosci, Aarhus, Denmark
[3] Aarhus Univ, Ctr Circular Bioecon CBIO, Aarhus, Denmark
[4] Univ Copenhagen, Dept Food Sci, Frederiksberg, Denmark
[5] Univ Copenhagen, Green Solut Ctr GSC, Frederiksberg, Denmark
[6] Alfred Wegener Inst Helmholtz Ctr Polar & Marine, Marine Aquaculture Shelf Sea Syst Ecol Biosci, Bremerhaven, Germany
[7] Univ Appl Sci Bremerhaven, Appl Marine Biol & Aquaculture, Bremerhaven, Germany
[8] Univ Tartu, Estonian Marine Inst, Tallinn, Estonia
来源
COMMUNICATIONS EARTH & ENVIRONMENT | 2023年 / 4卷 / 01期
关键词
ATLANTIC EUROPE. PART; MUSSEL CULTURE; ENVIRONMENTAL IMPACTS; ECOSYSTEM APPROACH; CARRYING-CAPACITY; MITIGATION TOOL; MYTILUS-EDULIS; MARINE; DYNAMICS; NITROGEN;
D O I
10.1038/s43247-023-01116-6
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Multi-use of offshore wind farms with low-trophic aquaculture could provide sustainable energy, nutritious seafood, and restorative ecosystem services through nutrients and carbon capture and utilization. In a transition zone between marine and brackish seas, our model predicted that allocating 10% of projected wind farm areas to blue mussel and sugar kelp aquaculture in the North Sea - Baltic Sea transition zone could yield 18 t-fresh weight ha-1 yr-1. Total carbon captured and harvested from seaweed biomass and mussel shells would equal 40% of the carbon dioxide emissions from the Danish agricultural sector. Furthermore, global aquaculture production is projected to increase by 132% compared to current production. With technological and regulatory challenges still to be addressed, these findings demonstrate a vast potential of multi-use in offshore areas, which can generate blue biomass with fewer user conflicts, while mitigating eutrophication and climate change, thereby supporting multiple global sustainable development goals. Combining mussel and macroalgae farming with offshore wind farms can provide emission capture and utilization of carbon and macro-nutrients for food, feed, and materials, suggest up-scaled model simulations from the North and Baltic Seas.
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页数:14
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