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231226s2024 xx |||||o 00| ||eng c |
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|a 10.1111/jpy.13405
|2 doi
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|a pubmed24n1376.xml
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|a eng
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|a Hurd, C L
|e verfasserin
|4 aut
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|a Air-sea carbon dioxide equilibrium
|b Will it be possible to use seaweeds for carbon removal offsets?
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 19.02.2024
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|a Date Revised 15.04.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2023 The Authors. Journal of Phycology published by Wiley Periodicals LLC on behalf of Phycological Society of America.
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|a To limit global warming below 2°C by 2100, we must drastically reduce greenhouse gas emissions and additionally remove ~100-900 Gt CO2 from the atmosphere (carbon dioxide removal, CDR) to compensate for unavoidable emissions. Seaweeds (marine macroalgae) naturally grow in coastal regions worldwide where they are crucial for primary production and carbon cycling. They are being considered as a biological method for CDR and for use in carbon trading schemes as offsets. To use seaweeds in carbon trading schemes requires verification that seaweed photosynthesis that fixes CO2 into organic carbon results in CDR, along with the safe and secure storage of the carbon removed from the atmosphere for more than 100 years (sequestration). There is much ongoing research into the magnitude of seaweed carbon storage pools (e.g., as living biomass and as particulate and dissolved organic carbon in sediments and the deep ocean), but these pools do not equate to CDR unless the amount of CO2 removed from the atmosphere as a result of seaweed primary production can be quantified and verified. The draw-down of atmospheric CO2 into seawater is via air-sea CO2 equilibrium, which operates on time scales of weeks to years depending upon the ecosystem considered. Here, we explain why quantifying air-sea CO2 equilibrium and linking this process to seaweed carbon storage pools is the critical step needed to verify CDR by discrete seaweed beds and nearshore and open ocean aquaculture systems prior to their use in carbon trading
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Forensic Carbon Accounting
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|a carbon credits and offsets
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|a carbon trading schemes
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|a monitoring, reporting and verification
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|a ocean afforestation
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|a seaweed aquaculture
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|a Carbon Dioxide
|2 NLM
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|a 142M471B3J
|2 NLM
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|a Gattuso, J-P
|e verfasserin
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|a Boyd, P W
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of phycology
|d 1966
|g 60(2024), 1 vom: 01. Feb., Seite 4-14
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|x 1529-8817
|7 nnns
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|g volume:60
|g year:2024
|g number:1
|g day:01
|g month:02
|g pages:4-14
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|u http://dx.doi.org/10.1111/jpy.13405
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