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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1111/gcb.15341
|2 doi
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|a pubmed24n1049.xml
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|a (NLM)32905664
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|a DE-627
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|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Seifert, Miriam
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Meta-analysis of multiple driver effects on marine phytoplankton highlights modulating role of pCO2
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| 264 |
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|c 2020
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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| 338 |
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|a ƒa Online-Ressource
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|a Date Completed 14.04.2021
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|a Date Revised 14.04.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2020 The Authors. Global Change Biology published by John Wiley & Sons Ltd.
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|a Responses of marine primary production to a changing climate are determined by a concert of multiple environmental changes, for example in temperature, light, pCO2 , nutrients, and grazing. To make robust projections of future global marine primary production, it is crucial to understand multiple driver effects on phytoplankton. This meta-analysis quantifies individual and interactive effects of dual driver combinations on marine phytoplankton growth rates. Almost 50% of the single-species laboratory studies were excluded because central data and metadata (growth rates, carbonate system, experimental treatments) were insufficiently reported. The remaining data (42 studies) allowed for the analysis of interactions of pCO2 with temperature, light, and nutrients, respectively. Growth rates mostly respond non-additively, whereby the interaction with increased pCO2 profusely dampens growth-enhancing effects of high temperature and high light. Multiple and single driver effects on coccolithophores differ from other phytoplankton groups, especially in their high sensitivity to increasing pCO2 . Polar species decrease their growth rate in response to high pCO2 , while temperate and tropical species benefit under these conditions. Based on the observed interactions and projected changes, we anticipate primary productivity to: (a) first increase but eventually decrease in the Arctic Ocean once nutrient limitation outweighs the benefits of higher light availability; (b) decrease in the tropics and mid-latitudes due to intensifying nutrient limitation, possibly amplified by elevated pCO2 ; and (c) increase in the Southern Ocean in view of higher nutrient availability and synergistic interaction with increasing pCO2 . Growth-enhancing effect of high light and warming to coccolithophores, mainly Emiliania huxleyi, might increase their relative abundance as long as not offset by acidification. Dinoflagellates are expected to increase their relative abundance due to their positive growth response to increasing pCO2 and light levels. Our analysis reveals gaps in the knowledge on multiple driver responses and provides recommendations for future work on phytoplankton
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|a Journal Article
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|a Meta-Analysis
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4 |
|a additivity
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| 650 |
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4 |
|a antagonism
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| 650 |
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4 |
|a environmental drivers
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| 650 |
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4 |
|a growth rate
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| 650 |
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4 |
|a interaction effect size
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| 650 |
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4 |
|a phytoplankton groups
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| 650 |
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4 |
|a primary production
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| 650 |
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4 |
|a synergism
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| 650 |
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|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 Rost, Björn
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Trimborn, Scarlett
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hauck, Judith
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Global change biology
|d 1999
|g 26(2020), 12 vom: 10. Dez., Seite 6787-6804
|w (DE-627)NLM098239996
|x 1365-2486
|7 nnns
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| 773 |
1 |
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|g volume:26
|g year:2020
|g number:12
|g day:10
|g month:12
|g pages:6787-6804
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|u http://dx.doi.org/10.1111/gcb.15341
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