Climate Shift Has Cut Global Wheat Crops, Study Finds
Posted on May 8, 2011
A report in the journal Science links temperature changes to a 5.5 percent decline in wheat production worldwide, with drop-offs occurring even in countries where technological efforts have diminished the impact of climate change on crop yields. —ARK
Shifts in the climate over the past three decades have been linked to a 5.5% decline in global wheat production, a study has suggested.
A team of US scientists assessed the impact of changes to rainfall and temperature on four major food crops: wheat, rice, corn and soybeans.
Climate trends in some countries were big enough to wipe out gains from other factors, such as technology, they said.
... [One researcher said:] “On a global average, we see that wheat production would be about 5% higher if we had not seen the warming since 1980. We see about the same for maize or corn.
“Yet for rice and soybean, we actually find that production is about the same as if climate had not been trending.”
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