China's massive tree-planting campaigns—like the Great Green Wall—successfully curbed desertification but caused unintended shifts in the country's water cycle. Trees consume significantly more water than the grasslands or sparse vegetation they replaced, leading to increased evaporation and transpiration.

China's massive tree-planting campaigns—like the Great Green Wall—successfully curbed desertification but caused unintended shifts in the country's water cycle. Trees consume significantly more water than the grasslands or sparse vegetation they replaced, leading to increased evaporation and transpiration. 

The extensive reforestation effort altered China's regional hydrology in a few key ways: -
Redirected Moisture: -
Increased plant transpiration pushed moisture away from densely populated and agricultural regions toward the Tibetan Plateau.
Depleted Water Resources:-
 In arid northern and western regions, vast areas of dense trees strained already limited water budgets.
Lowered Water Tables: -
The massive, thirsty root systems of the newly planted forests caused local river flows and groundwater levels to drop. 
Specific tree species currently recommended for drought-prone areas.
How researchers are mapping local water budgets to guide future planting.
The impact of these forests on dust storms and local erosion. 
 China is getting a reality check after planting an estimated 78 billion trees—a historic achievement that's now reshaping the country's water balance.
MJF Lion ER YK Sharma 

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