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Dust blown from the Sahara carries phosphorus that fertilizes the Amazon rainforest.

the verdict
INSUFFICIENT LEANING
Recorded sources
5 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that dust blown from the Sahara carries phosphorus that fertilizes the Amazon rainforest?

Unclear. Several peer-reviewed items confirm that Saharan dust is transported to and deposited in the Amazon and that the rainforest is phosphorus-limited, and one greenhouse experiment shows desert dust can raise phosphorus in tree species including a Brazilian native. However, no retrieved item directly measures Saharan dust phosphorus fertilizing the Amazon rainforest itself.

Verdict: PARTIAL LEAN · 5 sources for, 0 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 5
Soluble iron nutrients in Saharan dust over the central Amazon rainforest
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Soluble iron nutrients in Saharan dust over the central Amazon rainforest. (n.d.). cir.nii.ac.jp. https://doi.org/10.5194/acp-17-2673-2017

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More for · 4
Plant phosphorus use and acquisition strategies in the Amazon rainforest with relevance to vegetation models
2020
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Reichert, T., Rammig, A., Quesada, C. A., Fuchslueger, L., Lugli, L. F., & Fleischer, K. (2020). Plant phosphorus use and acquisition strategies in the Amazon rainforest with relevance to vegetation models. doi.org. https://doi.org/10.5194/egusphere-egu2020-7090

Long-term study on coarse mode aerosols in the Amazon rain forest with the frequent intrusion of Saharan dust plumes
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Long-term study on coarse mode aerosols in the Amazon rain forest with the frequent intrusion of Saharan dust plumes. (n.d.). cir.nii.ac.jp. https://doi.org/10.5194/acp-18-10055-2018

Dust from the Sahara to the American Continent: Health impacts
2021
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Urrutia-Pereira, M., Rizzo, L. V., Staffeld, P. L., Chong-Neto, H. J., Viegi, G., & Solé, D. (2021). Dust from the Sahara to the American Continent: Health impacts. doi.org. https://doi.org/10.15586/aei.v49i4.436

Direct foliar acquisition of desert dust phosphorus fertilizes forest trees despite reducing photosynthesis
2023
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Starr, M., Klein, T., & Gross, A. (2023). Direct foliar acquisition of desert dust phosphorus fertilizes forest trees despite reducing photosynthesis. doi.org. https://doi.org/10.1093/treephys/tpad012

also asked as
  • Does dust from the Sahara actually fertilize the Amazon rainforest with phosphorus?
  • Is it true that Saharan dust blows over and provides phosphorus to the Amazon?
  • Does phosphorus from Sahara dust really end up fertilizing the Amazon?
  • Is Saharan dust responsible for supplying phosphorus fertilizer to the Amazon basin?
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