Table 1 
Ecosystem classes of the Lower Amudarya delta 
Hydr - Euhydromorphic ecosystems of ass.Phragmites australis, Typha angustifolia on swamp and 
meadow-swamp non-saline and slight saline soils, 
HaHy - Halohydromorphicecosystems of ass.Phragmites ausatralis, Aeluropus litoralis, Herbae halophyticae 
annuae on meadow and meadow-swamp middle saline and high saline soils, 
HyMe - Hydromesomorphic ecosystems with ass.Phragmites australis, Tamarix pentandra, Calamagrostis 
dubia, Glycyrrrhiza glabra on meadow and desert-meadow slight saline soils, 
Meso - Eumesomorphic ecosystems with as.Populus ariana, P.pruinosa, Tamarix pentandra, Calamagrostis 
dubia, Alhagi pseudoalhagi, on meadow and desert-meadow non-saline soils, 
MeHa - Mesohalomorphic ecosystems with as.Tamarix hispida, Halostachys caspica, Karelinia caspica, 
Aeluropus litoralis, Herbae halophyticae annuae on meadow-saline and middle saline soils, 
MeXe - Mesoxeromorphic ecosystems with ass.Tamarix pentandra, Halimodendron halodendron, Karelinia 
caspica, Slsola richteri, S.dendroides, Alhagi pseudoalhagi on desert-meadow slight and middle 
saline soils, 
HaXe - Haloxeromorphic ecosystems with ass.Haloxylon aphyllum, Halostachys caspica, Anabasis aphylla, 
Herbae halophyticae annuae on desert-saline and high saline soils, 
Halo - Euhalomorphic ecosystems with ass.Halostachys caspica, Halo-cnemum strobilaceum, Salicornia 
herbaceae on high saline soils, 
Xero - Xeromorphic ecosystems with ass.Haloxylon apyllum, H.persicum, Calligonum aphyllum, Salsola 
richteri, Artemisia terrae-albae on silt and sand desert soils, 
Antr - Antropogenic ecosystems with cotton and rice fields on irrigated meadow and swamp-meadow 
arable soils. 
Table 2 
Comparison of predicted area data based on training time 
interval of 1975-1980 space surveys for 1985 
and field control data in 1985 (in %%) 
Ecosystem classes 
Predicted area 
Control area 
Area error 
HaHy 
2.50 
4.84 
2.34 
Hydr 
6.93 
5.69 
1.24 
HyMe 
8.18 
5.77 
2.41 
Meso 
4.33 
4.18 
0.15 
MeHa 
29.96 
25.08 
4.88 
Halo 
4.35 
7.51 
3.16 
MeXe 
9.48 
7.51 
1.97 
HaXe 
10.76 
12.48 
1.72 
Xero 
10.00 
13.25 
3.25 
Antr 
13.51 
13.69 
0.18 
100.00 
100.00 
10.65 
Figure 1 
Predicted trends of area changes of ecosystem classes (see Table 1) for 1985-2010 based on training sequence 
area data of 1975, 1980, and 1985 space surveys. Ecosystem classes: 1- HaHy, 2- Hydr, 3- HyMe, 4- Meso, 5- 
MeHa, 6- Halo, 7- MeXe, 8- HaXe, 9- Xero, 10- Ant. 13.09.1990