Table 2. Data on the development of the degree of landscape fragmentation in the four main administrative units of Baden-Württemberg (e.m.r. = excluding municipal roads; i.m.r. = including municipal roads; for the years 1966, 1977, and 1989, a comparison with/without noise bands was included). All values are based on the cutting-out (CUT) procedure.
| | | |
|
Effective mesh size meff (in km²)
|
| |
Municipal roads
|
Admin. unit
|
1930
|
1966
|
1966
with noise bands
|
1977
|
1977
with noise bands
|
1989
|
1989 with noise bands
|
Change in 1989 with noise bands since
1930
|
1998
|
2004
|
Change in 2004 since 1930
|
| |
e.m.r.
|
Freiburg
|
43.92
|
34.96
|
34.78
|
32.24
|
31.71
|
30.31
|
29.20
|
-34%
|
30.28
|
29.32
|
-33%
|
|
Karlsruhe
|
27.68
|
20.36
|
20.03
|
19.08
|
18.46
|
18.15
|
17.25
|
-38%
|
17.98
|
17.42
|
-37%
|
|
Tübingen
|
22.56
|
18.92
|
18.79
|
18.32
|
18.11
|
15.84
|
15.36
|
-32%
|
15.81
|
15.38
|
-32%
|
|
Stuttgart
|
24.39
|
18.06
|
17.79
|
14.94
|
14.46
|
14.09
|
12.59
|
-48%
|
13.41
|
12.82
|
-47%
|
i.m.r.
|
Freiburg
|
33.63
|
28.83
|
28.70
|
28.16
|
27.77
|
20.01
|
19.36
|
-42%
|
19.49
|
17.91
|
-47%
|
|
Karlsruhe
|
18.93
|
17.9
|
17.61
|
16.33
|
15.88
|
15.15
|
14.45
|
-24%
|
14.99
|
14.39
|
-24%
|
|
Tübingen
|
16.73
|
14.77
|
14.68
|
14.25
|
14.08
|
10.87
|
10.54
|
-37%
|
10.62
|
10.27
|
-39%
|
|
Stuttgart
|
15.45
|
13.2
|
12.99
|
9.63
|
9.28
|
8.37
|
7.61
|
-51%
|
8.08
|
7.88
|
-49%
|
| | |
|