Impacts of elevated atmospheric CO2 on nutrient content and yield of important food crops
Posted on 2015-07-20 - 06:08
One of the many ways that climate change may affect human health is by altering the nutrient content of food crops. However, previous attempts to study the effects of increased atmospheric CO2 on crop nutrition have been limited by small sample sizes and/or artificial growing conditions. Here we present data from a meta-analysis of the nutritional contents of the edible portions of 41 cultivars of six major crop species grown using free-air CO2 enrichment (FACE) technology to expose crops to ambient and elevated CO2 concentrations in otherwise normal field cultivation conditions. This data, collected across three continents, represents over ten times more data on the nutrient content of crops grown in FACE experiments than was previously available. We expect it to be deeply useful to future studies, such as efforts to understand the impacts of elevated atmospheric CO2 on crop macro- and micronutrient concentrations, or attempts to alleviate harmful effects of these changes for the billions of people who depend on these crops for essential nutrients.
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H Dietterich, Lee; Zanobetti, Antonella; Kloog, Itai; Huybers, Peter; D. B. Leakey, Andrew; J Bloom, Arnold; et al. (2015). Impacts of elevated atmospheric CO2 on nutrient content and yield of important food crops. figshare. Collection. https://doi.org/10.6084/m9.figshare.1399218
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AUTHORS (23)
LH
Lee H Dietterich
AZ
Antonella Zanobetti
IK
Itai Kloog
PH
Peter Huybers
AD
Andrew D. B. Leakey
AJ
Arnold J Bloom
EC
Eli Carlisle
GF
Glenn Fitzgerald
TH
Toshihiro Hasegawa
NM
Noel Michele Holbrook
RL
Randall L Nelson
MJ
Michael J Ottman
VR
Victor Raboy
HS
Hidemitsu Sakai
KA
Karla A Sartor
JS
Joel Schwartz
SS
Saman Seneweera
RN
Robert Norton
NF
Nimesha Fernando