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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.15789
|2 doi
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|a pubmed24n1092.xml
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|a (DE-627)NLM327751886
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|a (NLM)34228873
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|a DE-627
|b ger
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Richon, Camille
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Biogeochemical feedbacks associated with the response of micronutrient recycling by zooplankton to climate change
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 20.09.2021
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|a Date Revised 31.07.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2021 The Authors. Global Change Biology published by John Wiley & Sons Ltd.
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|a Recycling by zooplankton has emerged as an important process driving the cycling of essential micronutrients in the upper ocean. Resupply of nutrients by upper ocean recycling is itself controlled by multiple biotic and abiotic factors. Although the response of these drivers to climate change will shape future recycling rates and their stoichiometry, their magnitude and variability are unaddressed by climate change projections, which means potentially important feedbacks on surface biogeochemistry are neglected. Here, we assess the impacts of climate change under the high emissions RCP8.5 scenario on the recycling of the essential micronutrients Fe, Zn, Cu, Co and Mn and quantify the regional control by zooplankton food quality, prey quantity, sea surface temperature and zooplankton biomass. A statistical assessment of our model results reveals that the variability in recycling fluxes across all micronutrients is mainly driven by the variability of zooplankton and prey biomass. In contrast, the variability in micronutrient recycling stoichiometry and its response to climate change are more complex and is regulated by zooplankton food quality and prey quantity. Regionally, the relative influence of each driver on recycling changes in our model by the end of the 21st century. Temperature becomes an important driving factor in the polar regions while the expansion of oligotrophic regions leads to the importance of food quality increase for low and mid-latitudes. These responses lead to novel feedbacks that can amplify the response of surface ocean biogeochemistry and alter nutrient deficiency regimes
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|a Journal Article
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|a biogeochemistry
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| 650 |
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|a climate change
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| 650 |
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|a micronutrients
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| 650 |
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4 |
|a recycling
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| 650 |
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4 |
|a zooplankton
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| 650 |
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7 |
|a Micronutrients
|2 NLM
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| 700 |
1 |
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|a Tagliabue, Alessandro
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Global change biology
|d 1999
|g 27(2021), 19 vom: 01. Okt., Seite 4758-4770
|w (DE-627)NLM098239996
|x 1365-2486
|7 nnns
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| 773 |
1 |
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|g volume:27
|g year:2021
|g number:19
|g day:01
|g month:10
|g pages:4758-4770
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| 856 |
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|u http://dx.doi.org/10.1111/gcb.15789
|3 Volltext
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