We find that for the A2 scenario, global year 2030 relative
yield loss of wheat ranges from 5.4 to 26% (a further reduction
in yield of þ1.5e10% from year 2000 values), 15e19% for soybean
(þ0.9e11%), and 4.4e8.7% for maize (þ2.1e3.2%), with total crop
production losses worth $17e35 USD2000 annually (þ$6e17 billion
in losses). In the B1 scenario, we estimate that global relative yield
loss totals 4.0e17% for wheat (a decrease in yield of þ0.1e1.8%
from year 2000 values), 9.5e15% for soybean (þ0.7e1.0%), and
2.5e6.0% for maize (þ0.3e0.5%), with total losses worth $12e21
billion annually (þ$1e3 billion).
We find that for the A2 scenario, global year 2030 relativeyield loss of wheat ranges from 5.4 to 26% (a further reductionin yield of þ1.5e10% from year 2000 values), 15e19% for soybean(þ0.9e11%), and 4.4e8.7% for maize (þ2.1e3.2%), with total cropproduction losses worth $17e35 USD2000 annually (þ$6e17 billionin losses). In the B1 scenario, we estimate that global relative yieldloss totals 4.0e17% for wheat (a decrease in yield of þ0.1e1.8%from year 2000 values), 9.5e15% for soybean (þ0.7e1.0%), and2.5e6.0% for maize (þ0.3e0.5%), with total losses worth $12e21billion annually (þ$1e3 billion).
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