204
J. Kubiak and S. Machula
Table 9.2 Factors for lakes susceptibility to degradations based on data presented in Kudelska
et al. [59], Kudelska and Soszka [109] and Bajkiewicz-Grabowska [58, 104, 107]
Index
Model
Category Punctation
1
2
3
4
Mean depth (m)
Bajkiewicz-Grabowska
[58, 104, 107]
0-3
>10
5-10
3-5
<3
Kudelska et al. [59],
Kudelska, Soszka [109]
1-4
≥10
≥5
≥3
<3
V—lake
volume/L—length
of shoreline
Bajkiewicz-Grabowska
[58, 104, 107]
0-3
>5
3-5
1-3
<1
Kudelska et al. [59],
Kudelska, Soszka [109]
1-4
≥4
≥2
≥0.8
<0.8
Stratification %
Bajkiewicz-Grabowska
[58, 104, 107]
0-3
>35
20-35
10-20
<10
Kudelska et al. [59],
Kudelska, Soszka [109]
1-4
≥35
≥20
≥10
<10
Active bottom
area/V epilimnion
(m 2 /m 3 )
Bajkiewicz-Grabowska
[58, 104, 107]
0-3
<0,10 0.10-0.15 0.15-0.30 >0.30
Kudelska et al. [59],
Kudelska and Soszka
[109]
1-4
≤0.10 ≤0.15
≤0.30
>0.30
% water exchange Bajkiewicz-Grabowska
[58, 104, 107]
0-3
>10
5-10
1-5
<1
Kudelska et al. [59],
Kudelska and Soszka
[109]
1-4
≤30% ≤200%
≤1000% >1000
Schindler index
Bajkiewicz-Grabowska
[58, 104, 107]
0-3
<10
10-30
30-100
>100
Kudelska et al. [59],
Kudelska and Soszka
[109]
1-4
≤2
≤10
≤50
>50
Catchment use
Kudelska et al. [59],
Kudelska and Soszka
[109]
≥60%
of
forests
<60% of
forests
<60% of
arable
land
≥60% of
arable
land
Susceptibility
class
Bajkiewicz-Grabowska
[58, 104, 107]
od 0 do 3 cat. 0
≤0.80
cat. 1
≤1.60
cat. 2
≤2.40
cat. 3
>2.40
Kudelska et al. [59],
Kudelska and Soszka
[109]
od I do
IV
cat. I
≤1.50
cat. II
≤2.50
cat. III
≤3.25
cat. IV
>3.25