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  Relocating croplands could drastically reduce the environmental impacts of global food production

Beyer, R. M., Hua, F., Martin, P. A., Manica, A., Rademacher, T. (2022): Relocating croplands could drastically reduce the environmental impacts of global food production. - Communications Earth and Environment, 3, 49.
https://doi.org/10.1038/s43247-022-00360-6

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Beyer, Robert M.1, Autor              
Hua, Fangyuan2, Autor
Martin, Philip A.2, Autor
Manica, Andrea2, Autor
Rademacher, Tim2, Autor
Affiliations:
1Potsdam Institute for Climate Impact Research, ou_persistent13              
2External Organizations, ou_persistent22              

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 Zusammenfassung: Agricultural production has replaced natural ecosystems across the planet, becoming a major driver of carbon emissions, biodiversity loss, and freshwater consumption. Here we combined global crop yield and environmental data in a ~1-million-dimensional mathematical optimisation framework to determine how optimising the spatial distribution of global croplands could reduce environmental impacts whilst maintaining current crop production levels. We estimate that relocating current croplands to optimal locations, whilst allowing ecosystems in then-abandoned areas to regenerate, could simultaneously decrease the current carbon, biodiversity, and irrigation water footprint of global crop production by 71%, 87%, and 100%, respectively, assuming high-input farming on newly established sites. The optimal global distribution of crops is largely similar for current and end-of-century climatic conditions across emission scenarios. Substantial impact reductions could already be achieved by relocating only a small proportion of worldwide crop production, relocating croplands only within national borders, and assuming less intensive farming systems.

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Sprache(n): eng - Englisch
 Datum: 2022-02-152022-03-102022-03-10
 Publikationsstatus: Final veröffentlicht
 Seiten: 11
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: MDB-ID: No data to archive
PIKDOMAIN: RD2 - Climate Resilience
Organisational keyword: RD2 - Climate Resilience
Working Group: Land Use and Resilience
Research topic keyword: Biodiversity
Research topic keyword: CO2 Removal
Research topic keyword: Ecosystems
Research topic keyword: Food & Agriculture
Research topic keyword: Freshwater
Research topic keyword: Land use
Regional keyword: Global
Model / method: Quantitative Methods
OATYPE: Gold Open Access
DOI: 10.1038/s43247-022-00360-6
 Art des Abschluß: -

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Titel: Communications Earth and Environment
Genre der Quelle: Zeitschrift, SCI, Scopus, oa
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Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 3 Artikelnummer: 49 Start- / Endseite: - Identifikator: CoNE: https://publications.pik-potsdam.de/cone/journals/resource/communications-earth-environment
Publisher: Springer Nature