Author Correction: Major restructuring of marine plankton assemblages under global warming

Benedetti, Fabio; Vogt, Meike; Elizondo, Urs Hofmann; Righetti, Damiano; Zimmermann, Niklaus E.; Gruber, Nicolas

doi:10.1038/s41467-021-26564-6

Cited by 3 publications

(1 citation statement)

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“…One of our main findings is that increased radiative forcing due to elevated CO 2 can increase the biodiversity of mammals, birds, and amphibians at medium-high latitudes but decrease that at medium-low latitudes. This finding is consistent with those of previous temperature-based studies on humans (Xu et al, 2020) and marine zooplankton (Benedetti et al, 2021). As a direct consequence of the CO 2 radiative effect, increased temperature will expose many species in low-latitude areas to the risk of habitat loss because their baseline temperature is already high, whereas the situation in higher latitude areas is the opposite (Figure S8a in Supporting Information S1).…”

Section: Latitudinal Variance In Terrestrial Vertebrate Biodiversity ...supporting

confidence: 91%

Ignoring Plant Physiological Responses to Elevated CO₂ Will Overestimate Terrestrial Vertebrate Biodiversity Loss Under Global Climate Change

Sun,

Feng

2024

Earth's Future

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Rising CO2 is accelerating Earth warming and drying by altering the radiation budget (CO2 radiative effect), and it is commonly thought that future biodiversity will be greatly threatened. However, elevated CO2 also modifies plant physiology including photosynthesis rate and water use efficiency (CO2 physiological effect), the impacts of which have been usually ignored. By coupling machine learning techniques and Earth system models, this study considered both of the two effects and simulated terrestrial vertebrate biodiversity changes under moderate CO2 emission pathway. Our results show that the CO2 radiative effect positively impacts terrestrial vertebrate biodiversity at high latitudes but has a negative impact at low latitudes, whereas the physiological effect generally has a positive impact that peaks near the equator. Between 45°N and 45°S, 15% of areas with diminishing terrestrial vertebrate biodiversity due to radiative effect experience a reversal in trend when physiological effect is also considered; species migration pressure is also mitigated. Additionally, the protection priority rankings of 36 biodiversity hotspots need to be readjusted with the consideration of CO2 physiological effect, for which the impacts on terrestrial vertebrate biodiversity are important and varied greatly over space. Overall, our findings highlight the critical impacts of vegetation physiology on terrestrial vertebrate biodiversity in response to elevated atmospheric CO2, which can provide a reference for resource allocation and biodiversity conservation policymaking.

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Section: Latitudinal Variance In Terrestrial Vertebrate Biodiversity ...supporting

confidence: 91%

Ignoring Plant Physiological Responses to Elevated CO₂ Will Overestimate Terrestrial Vertebrate Biodiversity Loss Under Global Climate Change

Sun,

Feng

2024

Earth's Future

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Variability in the phytoplankton response to upwelling across an iron limitation mosaic within the California current system

Lin,

Torano,

Whitehouse

et al. 2024

Limnology & Oceanography

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Coastal upwelling currents such as the California Current System (CCS) comprise some of the most productive biological systems on the planet. Diatoms dominate these upwelling events in part due to their rapid response to nutrient entrainment. In this region, they may also be limited by the micronutrient iron (Fe), an important trace element primarily involved in photosynthesis and nitrogen assimilation. The mechanisms behind how diatoms physiologically acclimate to the different stages of the upwelling conveyor belt cycle remain largely uncharacterized. Here, we explore their physiological and metatranscriptomic response to the upwelling cycle with respect to the Fe limitation mosaic that exists in the CCS. Subsurface, natural plankton assemblages that would potentially seed surface blooms were examined over wide and narrow shelf regions. The initial biomass and physiological state of the phytoplankton community had a large impact on the overall response to simulated upwelling. Following on‐deck incubations under varying Fe physiological states, our results suggest that diatoms quickly dominated the blooms by “frontloading” nitrogen assimilation genes prior to upwelling. However, diatoms subjected to induced Fe limitation exhibited reductions in carbon and nitrogen uptake and decreasing biomass accumulation. Simultaneously, they exhibited a distinct gene expression response which included increased expression of Fe‐starvation induced proteins and decreased expression of nitrogen assimilation and photosynthesis genes. These findings may have significant implications for upwelling events in future oceans, where changes in ocean conditions are projected to amplify the gradient of Fe limitation in coastal upwelling regions.

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Variability in the phytoplankton response to upwelling across an iron limitation mosaic within the California Current System

Lin,

Torano,

Whitehouse

et al. 2023

Preprint

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Coastal upwelling currents such as the California Current System (CCS) comprise some of the most productive biological systems on the planet. Diatoms, a distinct taxon of phytoplankton, dominate these upwelling events in part due to their rapid response to nutrient entrainment. In this region, they may also be limited by the micronutrient iron (Fe), an important trace element primarily involved in photosynthesis and nitrogen assimilation. The mechanisms behind how diatoms physiologically acclimate to the different stages of the upwelling conveyor belt cycle with respect to Fe limitation remains largely uncharacterized. Here, we explore their physiological and metatranscriptomic response to the upwelling cycle with respect to the Fe limitation mosaic that exists in the CCS. Subsurface, natural plankton assemblages that would potentially seed surface blooms were examined over wide and narrow shelf regions. The initial biomass and physiological state of the phytoplankton community had a large impact on the overall response to simulated upwelling. Following on-deck incubation under varying Fe physiological states, our results suggest that diatoms quickly dominated the blooms by "frontloading" nitrogen assimilation genes prior to upwelling. However, diatoms subjected to induced Fe limitation exhibited reductions in carbon and nitrogen uptake and decreasing biomass accumulation. Simultaneously, they exhibited a distinct gene expression response which included increased expression of Fe-starvation induced proteins and decreased expression of nitrogen assimilation and photosynthesis genes. These findings may have significant implications for upwelling events in future oceans, where changes in ocean conditions are projected to amplify the gradient of Fe limitation in coastal upwelling regions.

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Author Correction: Major restructuring of marine plankton assemblages under global warming

Cited by 3 publications

References 0 publications

Ignoring Plant Physiological Responses to Elevated CO₂ Will Overestimate Terrestrial Vertebrate Biodiversity Loss Under Global Climate Change

Ignoring Plant Physiological Responses to Elevated CO₂ Will Overestimate Terrestrial Vertebrate Biodiversity Loss Under Global Climate Change

Variability in the phytoplankton response to upwelling across an iron limitation mosaic within the California current system

Variability in the phytoplankton response to upwelling across an iron limitation mosaic within the California Current System

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Author Correction: Major restructuring of marine plankton assemblages under global warming

Cited by 3 publications

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Ignoring Plant Physiological Responses to Elevated CO2 Will Overestimate Terrestrial Vertebrate Biodiversity Loss Under Global Climate Change

Ignoring Plant Physiological Responses to Elevated CO2 Will Overestimate Terrestrial Vertebrate Biodiversity Loss Under Global Climate Change

Variability in the phytoplankton response to upwelling across an iron limitation mosaic within the California current system

Variability in the phytoplankton response to upwelling across an iron limitation mosaic within the California Current System

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Ignoring Plant Physiological Responses to Elevated CO₂ Will Overestimate Terrestrial Vertebrate Biodiversity Loss Under Global Climate Change

Ignoring Plant Physiological Responses to Elevated CO₂ Will Overestimate Terrestrial Vertebrate Biodiversity Loss Under Global Climate Change