Onkel Bob seems to know a lot about the Silk Road, do read the whole thing:
The exchange of food was very much a one way exchange, and surprisingly few staples went over this route.
Agricultural Biodiversity Weblog
Crops, animals, wild relatives ...
by Luigi Guarino on November 21, 2009
Onkel Bob seems to know a lot about the Silk Road, do read the whole thing:
The exchange of food was very much a one way exchange, and surprisingly few staples went over this route.
Tim Robinson updates us on livestock data at FAO:
…We had, of course, been working on the collection of the underlying livestock statistics, and the spatial modelling to produce the maps, for many years prior to them being published on the FAO website … but that is all quickly forgotten when they are re-distributed by a third party.
For your information, we have been beavering away since then, collecting more recent and detailed sub-national livestock statistics and disaggregating these using a slightly modified modelling approach, and 1 km multi-temporal, Fourier-processed MODIS imagery from the University of Oxford…
Global datasets coming soon, apparently. We’ll keep you posted.
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