Table 1.

Clusters and area of each identified region in Fig. 1; semantic classification and attribution of the clusters according to the literature.

Cluster	Regions	Area (103 · km2)	Classification	References
A	Russia	1338	Natural	[34,35]
	North America	385	reforestation	[36–38]
	East Africa	1461		[17,39–41]
B	Amazon	1698	Deforestation	[42–46]
	Central Africa	1144		[47,48]
C	Southeast China	469	Artificial	[49–51]
			reforestation
D	India	1103	Rain shift or	[1,52–56]
	Argentina	269	irrigation change	[35,38,57]
	Russia	631		[34,35]
	Central North America	1117		[36–38]
E	East Australia	657	Wildfires	[58–62]