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%