305
edits
En-en adult card 32 decline agricultural yields: Difference between revisions
En-en adult card 32 decline agricultural yields (view source)
Revision as of 18:11, 21 March 2021
, 21 March 2021Minor corrections
No edit summary |
m (Minor corrections) |
||
| Line 8: | Line 8: | ||
This is one of the greatest threats to humanity. Declines in agricultural yields have already led to conflicts in Rwanda and Syria. | This is one of the greatest threats to humanity. Declines in agricultural yields have already led to conflicts in Rwanda and Syria. | ||
== Facilitation | == Facilitation advice == | ||
=== Local or global impacts === | === Local or global impacts === | ||
It may be interesting to differentiate between local and global causes. | It may be interesting to differentiate between local and global causes. Local causes are: | ||
* [[En-en adult card 26 river flooding|River Flooding]] | * [[En-en adult card 26 river flooding|River Flooding]] | ||
| Line 19: | Line 19: | ||
* [[En-en adult card 35 forest fires|Forest Fires]] | * [[En-en adult card 35 forest fires|Forest Fires]] | ||
More global causes are: | |||
* [[En-en adult card 20 disruption water cycle|Disruption of the water cycle]] | * [[En-en adult card 20 disruption water cycle|Disruption of the water cycle]] | ||
| Line 29: | Line 29: | ||
=== Causes === | === Causes === | ||
[[En-en adult card 12 carbon sinks|Carbon sinks]] Studies have shown that yields increase with increased | [[En-en adult card 12 carbon sinks|Carbon sinks]] Studies have shown that yields increase with increased CO<sub>2</sub>, but that the nutrient content of vegetables is reduced. Indeed, trace elements do not become more abundant when yields increase. | ||
[[fr:Fr-fr_adulte_carte_32_baisse_rendements_agricoles]] | [[fr:Fr-fr_adulte_carte_32_baisse_rendements_agricoles]] | ||