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En-en adult card 32 decline agricultural yields: Difference between revisions
En-en adult card 32 decline agricultural yields (view source)
Revision as of 17:11, 10 February 2021
, 10 February 2021First draft of entire page
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== Explanation == | == Explanation == | ||
This is one of the greatest threats to humanity. Declines in agricultural yields have already led to conflicts in Rwanda and Syria. | |||
== Facilitation tips == | |||
=== Local or global impacts === | |||
It may be interesting to differentiate between local and global causes. Localised causes are : | |||
* [[En-en adult card 26 river flooding|River Flooding]] | |||
* [[En-en adult card 30 droughts|Droughts]] | |||
* [[En-en adult card 33 marine submersion|Marine Submersion]] | |||
* [[En-en adult card 34 cyclones|Cyclones]] | |||
* [[En-en adult card 35 forest fires|Forest Fires]] | |||
The non-localized causes are : | |||
* [[En-en adult card 20 disruption water cycle|Disruption of the water cycle]] | |||
* [[En-en adult card 21 temperature rise|Temperature rise]] | |||
* [[En-en adult card 25 terrestrial biodiversity|Terrestrial biodiversity]] | |||
* [[En-en adult card 31 freshwater resources|Freshwater resources]] | |||
== Other possible links == | |||
=== Causes === | |||
[[En-en adult card 12 carbon sinks|Carbon sinks]] Studies have shown that yields increase with increased CO2, but that the nutrient content of vegetables is reduced. Indeed, trace elements are not more abundant because yields increase. | |||