Agriculture

Genetic resources have a critical role in feeding the world

According to a book released by FAO genetic resources have a critical role to play in feeding the world especially as climate change advances faster than expected and much more needs to be done to study preserve and utilise the biological diversity that underpins world food production
Genetic resources have a critical role in feeding the world

Genetic resources have a critical role to play in feeding the world — especially as climate change advances faster than expected — and much more needs to be done to study, preserve and utilise the biological diversity that underpins world food production, according to a book released by FAO in Rome.

"Time is not on our side" warns the book, Coping with climate change: the roles of genetic resources for food and agriculture." In the coming decades, millions of people whose livelihoods and food security depend on farming, aquaculture, fishing, forestry and livestock keeping are likely to face unprecedented climatic conditions."

Crops, livestock, forest trees and aquatic organisms capable of surviving and producing in a changing climate will be needed.

The ability of plants and animals raised by farmers to withstand volatile conditions and adapt when the environment changes is a direct result of their genetic diversity, but stronger efforts to study and use that diversity as a coping mechanism — and policies to support that — are required, the book says.

"In a warmer world with harsher, more variable weather, plants and animals raised for food will need to have the biological capacity to adapt more quickly than ever before," said FAO Deputy Director-General Maria Helena Semedo on the releasing of the book.

"Preventing further losses of agricultural genetic resources and diverting more attention to studying them and their potential will boost humankind’s ability to adapt to climate change," she added.

Such an adaptive approach will require updating the goals of agricultural breeding programmes — and in some cases introducing varieties, breeds, species, that have not been previously raised. And improvements to field-based and off-site conservation programmes for domesticated species, their wild relatives and other wild genetic resources important for food and agriculture — along with policies that promote their sustainable use — are ‘urgently’ needed.

In particular, improving knowledge, conservation and use of crop wild relatives is important — they are likely to have genetic traits that can be used to develop well-adapted crops for use in climate change-affected food systems.

"We need to strengthen the role of genetic resources and help farmers, fishers and foresters cope with climate change," says Linda Collette, lead editor of the volume and Secretary of FAO’s Commission on Genetic Resources for Food and Agriculture. 

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