Unlocking Agriculture's Past

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Jacob van Etten

A presentation given at the National Geographic store in Madrid on July 28, 2011.

Education Technology

Unlocking agriculture’s past to feed the future world Jacob van Etten

% change -95 to -31 -30 to -11 -10 to -1 0 1 to 29 30 to 47 48 to 98 Change in suitabilityduetoclimatechange 50 crops, to 2050 Andrew Jarvis, CIAT/CCAFS

Nikolai I. Vavilov (1887-1943) Centres of origin

Rice spikelet bases Which is the domesticated one?

14C radiocarbon dating accelerator mass spectrometry (AMS)

Phytoliths scanning electron microscope (SEM)

Bones Was agriculture such a good idea after all?

4 Heritage of thepast: agriculturaldiversity

Transfer of genes from CWR tocrops “Scuba rice” Flood-tolerance gene from landrace

Photo: J. Cherfas, Bioversity International

5 Geography: thepower of maps and models

Seed samples available from the multilateral system

Gaps in the collections example for sorghum

Archaeological data Maize origin in Mexico

Overlappingpart of thedispersalroute Divergentpart of thedispersalroute Origin of dispersal

R2 = 0.44 measuredgeneticdistance predictedgeneticdistance

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