Биология и сельское хозяйство
chemical elements
90%
Siberia
76%
Russia
62%
sediments
59%
lakes
52%
nahcolite
14%
organic matter
11%
carbon radioisotopes
9%
salt lakes
8%
shorelines
8%
degradation
7%
steppes
7%
carbonates
7%
aerobic conditions
6%
anaerobic conditions
6%
evaporation
6%
crystallization
6%
water
5%
dates (fruit)
5%
autumn
5%
minerals
4%
summer
4%
Науки об окружающей среде
chemical element
74%
lake
37%
sediment
30%
distribution
22%
chemical
15%
organic matter
10%
degradation
10%
coastal erosion
9%
saline lake
9%
halite
9%
desiccation
9%
sequential extraction
8%
oxic conditions
8%
steppe
8%
anoxic conditions
7%
lake water
7%
lacustrine deposit
7%
shoreline
7%
autumn
6%
crystallization
6%
evaporation
6%
erosion
5%
carbonate
5%
transition
4%
summer
4%
mineral
4%
modeling
3%
water
2%
Социальные науки
Siberia
81%
erosion
67%
water
50%
Russia
47%
Territories
24%
migration
22%
interaction
15%
time
11%
Биологические науки и медицина
Siberia
100%
Lakes
80%
Russia
75%
Chemical Evolution
11%
Desiccation
8%
Grassland
8%
Carbonates
8%
Water
7%
Crystallization
7%
Minerals
5%
Химические соединения
Organic Matter
68%
Halite
52%
Chemical Element
49%
Evaporation
28%
Mineral
25%
Carbonate
25%
Crystallization
22%
Time
11%