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Conabio » Monitoring of ecosystems  » Valle de Bravo Case  » Results

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Results

The results of the temporary analysis of the change of use of soil and vegetation are indicated in chart 2 and table 2:

Table 2

The differences in the use of soil and vegetation are observed in figures 4, 5, and 6 with the results obtained from the classification of use of soil and vegetation from the years 1973, 1986 and 2000.

Use of soil and vegetation

1973

1986

2000

 

Ha

%

Ha

%

Ha

%

Seasonal agriculture

15 327.5

24.9

15710.7

25.5

19923.8

32.4

Irrigated agriculture

1 301.4

2.1

2346.57

3.8

1129.86

1.8

Grassland

5 630.4

9.1

6896.88

11.2

4293.45

7.0

Oak forest

602.19

1.0

447.48

0.7

410.22

0.7

Pine-oak forest

17 048.1

27.7

17563.5

28.5

18080.8

29.4

Pine forest

15 066.9

24.5

12021.6

19.5

11295.5

18.3

Boreal forest

4 754.34

7.7

4739.13

7.7

4527.81

7.4

Cloud forest

8.82

0.0

6.93

0.0

6.21

0.0

Water bodies

1 768.05

2.9

1756.8

2.9

1795.5

2.9

Urban Area

59.91

0.1

72.09

0.1

98.46

0.2

             

Total:

61 561.6

100.0

61561.7

100.0

61561.61

100.0

Figure 4 (1973 and 1973_icon, 1986 and 1986_icon, 2000 and 2000_icon)

 

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