The publication of this Handbook was supported by the Russian Federation

Table 6.2.2. Relative ecological significance coefficients
Biotic and abiotic components of  a 
landscape
Bioclimatic zones
Northern taiga Southern taiga
Forest steppe
Steppe
Dry steppe
Semidesert
Forests
0,48
0,80
0,84
1,00
-
-
Meadows
0,40
0,60
0,80
0,95
0,70
0,20
Hay meadows
0,38
0,58
0,78
0,93
0,66
0,18
Pastures
0,39
0,59
0,79
0,94
0,67
0,19
Cropland
0,08
0,11
0,13
0,15
0,11
0,06
Human settlements and industrial 
zones
-1,00
-1,00
-1,00
-1,00
-1,00
-1,00
Note: The values of  coefficients are corrected according to biodiversity and productivity levels.
The degree of  natural ecosystem stability (Кс) is assessed using the following grades: ≤ 0.33 – 
unstable, 0.34-0.50 – weakly stable , 0.51-0.66 – moderately stable, > 0.66 – very stable.

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83
Chapter 6. Assessment of the cost effectiveness of combined measures for the amelioration of salt-affected soils 
6.3. Assessing the effectiveness of laser land levelling and agroforestry 
in Uzbekistan
(results of the projects by the CACILM and the GEF SGP in Uzbekistan)