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Rice production threatened by coupled stresses of climate and soil arsenic

Title data

Muehe, E. Marie ; Wang, Tianmei ; Kerl, Carolin ; Planer-Friedrich, Britta ; Fendorf, Scott:
Rice production threatened by coupled stresses of climate and soil arsenic.
In: Nature Communications. Vol. 10 (November 2019) . - No. 4985.
ISSN 2041-1723
DOI: https://doi.org/10.1038/s41467-019-12946-4

Abstract in another language

Projections of global rice yields account for climate change. They do not, however, considerthe coupled stresses of impending climate change and arsenic in paddy soils. Here, we showin a greenhouse study that future conditions cause a greater proportion of pore-waterarsenite, the more toxic form of arsenic, in the rhizosphere of CalifornianOryza sativaL.variety M206, grown on Californian paddy soil. As a result, grain yields decrease by 39% compared to yields at today’s arsenic soil concentrations. In addition, future climatic con-ditions cause a nearly twofold increase of grain inorganic arsenic concentrations. Ourfindingsindicate that climate-induced changes in soil arsenic behaviour and plant response will lead tocurrently unforeseen losses in rice grain productivity and quality. Pursuing rice varieties andcrop management practices that alleviate the coupled stresses of soil arsenic and change inclimatic factors are needed to overcome the currently impending food crisis.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER154182
Institutions of the University: Research Institutions
Research Institutions > Research Centres
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Professor Environmental Geochemistry Group
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Professor Environmental Geochemistry Group > Professor Environmental Geochemistry - Univ.-Prof. Dr. Britta Planer-Friedrich
Result of work at the UBT: Yes
DDC Subjects: 500 Science
500 Science > 550 Earth sciences, geology
Date Deposited: 23 Jan 2020 10:07
Last Modified: 23 Jan 2020 10:07
URI: https://eref.uni-bayreuth.de/id/eprint/53870