How do you feed 9 billion people?
An international team of scientists has developed crop models to better forecast food production to feed a growing population – projected to reach 9 billion by mid-century – in the face of climate change.
In a paper appearing in Nature Climate Change, members of the Agricultural Model Intercomparison and Improvement Project unveiled an all-encompassing modeling system that integrates multiple crop simulations with improved climate change models. AgMIP’s effort has produced new knowledge that better predicts global wheat yields while reducing political and socio-economic influences that can skew data and planning efforts, said Bruno Basso, Michigan State University ecosystem scientist and AgMIP member.
“Quantifying uncertainties is an important step to build confidence in future yield forecasts produced by crop models,” said Basso, with MSU’s geological sciences department and Kellogg Biological Station. “By using an ensemble of crop and climate models, we can understand how increased greenhouse gases in the atmosphere, along with temperature increases and precipitation changes, will affect wheat yield globally.”
The improved crop models can help guide the world’s developed and developing countries as they adapt to changing climate and create policies to improve food security and feed more people, he added.
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