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. 2017 Sep 25;5:e3796. doi: 10.7717/peerj.3796

Table 1. Characteristics of soda solonchak soils and lacustrine dry soda mud samples.

General information pH of 1:5 water extract Total soluble salts (g/kg) Soluble carbonate alkalinity (mM)
Sample code Number of samples Year of sampling Sample type
AA 10 1988 SS 9.45–10.2 12–388 20–1,870
KUS 4 1998 SS 9.2–9.9 26–96 23–40
BS 2 1998 SS 9.71–10.70 25–60 10–502
KS 14 2003 SS 9.60–10.21 53–385 150–1,520
MS 24 1999 SS 9.70–10.80 12–128 10–1,140
EWN 3 2000 SS 10.05–10.30 85–102 750–1,740
MLC 4 2001 SLM 9.2–9.8 30–43 130–240
KT 16 1988; 1996; 1999 SLM 9.6–10.7 43–160 45–890

Notes.

Sample code

AA
Ararate valley Armenia
BS
Barabinskaya Steppe, Novosibirsk region, Russia
KUS
Kunkurskay steppe, Buriatia, Russia
KS
Kulunda Steppe, Altai region, Russia
MS
north-eastern Mongolia, Choibalsan province
EWN
Wadi al Natrun valley, Libyan Desert, Egypt
MLC
Mono Lake, California, USA
KT
Kenya-Tanzania
Sample type: SS
continental soda solonchak soil
SLM
dry soda mad near soda lakes