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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.16854
|2 doi
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|a pubmed24n1196.xml
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|a (DE-627)NLM359106803
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|a (NLM)37409536
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Tagliabue, Alessandro
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Ocean iron fertilization may amplify climate change pressures on marine animal biomass for limited climate benefit
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|c 2023
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 15.08.2023
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| 500 |
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|a Date Revised 31.08.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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| 520 |
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|a © 2023 The Authors. Global Change Biology published by John Wiley & Sons Ltd.
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|a Climate change scenarios suggest that large-scale carbon dioxide removal (CDR) will be required to maintain global warming below 2°C, leading to renewed attention on ocean iron fertilization (OIF). Previous OIF modelling has found that while carbon export increases, nutrient transport to lower latitude ecosystems declines, resulting in a modest impact on atmospheric CO2 . However, the interaction of these CDR responses with ongoing climate change is unknown. Here, we combine global ocean biogeochemistry and ecosystem models to show that, while stimulating carbon sequestration, OIF may amplify climate-induced declines in tropical ocean productivity and ecosystem biomass under a high-emission scenario, with very limited potential atmospheric CO2 drawdown. The 'biogeochemical fingerprint' of climate change, that leads to depletion of upper ocean major nutrients due to upper ocean stratification, is reinforced by OIF due to greater major nutrient consumption. Our simulations show that reductions in upper trophic level animal biomass in tropical regions due to climate change would be exacerbated by OIF within ~20 years, especially in coastal exclusive economic zones (EEZs), with potential implications for fisheries that underpin the livelihoods and economies of coastal communities. Any fertilization-based CDR should therefore consider its interaction with ongoing climate-driven changes and the ensuing ecosystem impacts in national EEZs
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4 |
|a Journal Article
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| 650 |
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4 |
|a biogeochemical cycles
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| 650 |
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4 |
|a climate change
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| 650 |
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4 |
|a marine carbon dioxide removal
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| 650 |
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4 |
|a marine ecosystems
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| 650 |
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4 |
|a ocean iron fertilization
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| 650 |
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4 |
|a ocean net primary production
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| 650 |
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7 |
|a Iron
|2 NLM
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| 650 |
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7 |
|a E1UOL152H7
|2 NLM
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| 650 |
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7 |
|a Carbon Dioxide
|2 NLM
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| 650 |
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7 |
|a 142M471B3J
|2 NLM
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| 700 |
1 |
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|a Twining, Benjamin S
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Barrier, Nicolas
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Maury, Olivier
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Berger, Manon
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bopp, Laurent
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Global change biology
|d 1999
|g 29(2023), 18 vom: 20. Sept., Seite 5250-5260
|w (DE-627)NLM098239996
|x 1365-2486
|7 nnns
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| 773 |
1 |
8 |
|g volume:29
|g year:2023
|g number:18
|g day:20
|g month:09
|g pages:5250-5260
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| 856 |
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|u http://dx.doi.org/10.1111/gcb.16854
|3 Volltext
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