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Selenium deficiency risk predicted to increase under future climate change [1]

The trace element selenium is essential for human health and is required in a narrow dietary concentration range. Insufficient selenium intake has been estimated to affect up to 1 billion people worldwide. Dietary selenium availability is controlled by soil–plant interactions, but the mechanisms governing its broad-scale soil distributions are largely unknown. Using data-mining techniques, we modeled recent (1980–1999) distributions and identified climate–soil interactions as main controlling factors. Furthermore, using moderate climate change projections, we predicted future (2080–2099) soil selenium losses from 58% of modeled areas (mean loss = 8.4%). Predicted losses from croplands were even higher, with 66% of croplands predicted to lose 8.7% selenium. These losses could increase the worldwide prevalence of selenium deficiency.

Original Source [2]

Publication Date: 
23/02/2017
Gerrad D. Jones [3], Boris Droz [4], Peter Greve & et al [5]
Proceedings of the National Academy of Sciences [6]
1-6
Tags:
Soil Capability [7], Climate Change [8], Climate Impacts [9], Rainfall [10], Agriculture [11], India [12], Europe [13], Soil Erosion [14], Land Use [15]

Technology Partners: MimirTech

Source URL: http://admin.indiaenvironmentportal.org.in/feature-article/selenium-deficiency-risk-predicted-increase-under-future-climate-change

Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/selenium-deficiency-risk-predicted-increase-under-future-climate-change
[2] http://www.pnas.org/content/early/2017/02/14/1611576114
[3] http://admin.indiaenvironmentportal.org.in/category/author/gerrad-d-jones
[4] http://admin.indiaenvironmentportal.org.in/category/author/boris-droz
[5] http://admin.indiaenvironmentportal.org.in/category/author/peter-greve-et-al
[6] http://admin.indiaenvironmentportal.org.in/category/journal/proceedings-national-academy-sciences
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/soil-capability
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-impacts
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rainfall
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agriculture
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/europe
[14] http://admin.indiaenvironmentportal.org.in/category/thesaurus/soil-erosion
[15] http://admin.indiaenvironmentportal.org.in/category/thesaurus/land-use