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Landscapes Forest and Global Change - ESA - Escola Superior ...

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M.T.C. Rodrigues & V. Silva 2010. L<strong>and</strong>scape changes in a watershed in the southwest of Portugal<br />

413<br />

Figure 3: L<strong>and</strong> cover changes of the three most representative l<strong>and</strong> use cover classes.<br />

Area (%)<br />

100<br />

80<br />

60<br />

40<br />

20<br />

1895<br />

0-5%<br />

5-8%<br />

8-12%<br />

12-15%<br />

15-25%<br />

>25%<br />

Area (%)<br />

100<br />

80<br />

60<br />

40<br />

20<br />

1963<br />

0-5%<br />

5-8%<br />

8-12%<br />

12-15%<br />

15-25%<br />

>25%<br />

0<br />

Agriculture Semi-natural vegetation <strong>Forest</strong><br />

0<br />

Agriculture Semi-natural vegetation <strong>Forest</strong><br />

Area (%)<br />

100<br />

80<br />

60<br />

40<br />

20<br />

1990<br />

0-5%<br />

5-8%<br />

8-12%<br />

12-15%<br />

15-25%<br />

>25%<br />

Area (%)<br />

100<br />

80<br />

60<br />

40<br />

20<br />

2004/05<br />

0-5%<br />

5-8%<br />

8-12%<br />

12-15%<br />

15-25%<br />

>25%<br />

0<br />

Agriculture Semi-natural vegetation <strong>Forest</strong><br />

0<br />

Agriculture Semi-natural vegetation <strong>Forest</strong><br />

Figure 4: Slope values by l<strong>and</strong> cover class.<br />

100<br />

80<br />

Extremely dry<br />

Ve ry dry<br />

Dry<br />

1895<br />

100<br />

80<br />

Extremely dry<br />

Ve ry dry<br />

Dry<br />

1963<br />

Area (%)<br />

60<br />

40<br />

Moderate<br />

We t<br />

Ve ry we t<br />

Area (%)<br />

60<br />

40<br />

Moderate<br />

We t<br />

Ve ry we t<br />

20<br />

20<br />

0<br />

Agriculture Semi-natural vegetation <strong>Forest</strong><br />

0<br />

Agriculture Semi-natural vegetation <strong>Forest</strong><br />

Area (%)<br />

100<br />

80<br />

60<br />

40<br />

Extremely dry<br />

Ve ry dry<br />

Dry<br />

Moderate<br />

We t<br />

Ve ry we t<br />

1990<br />

Area (%)<br />

100<br />

80<br />

60<br />

40<br />

Extremely dry<br />

Ve ry dry<br />

Dry<br />

Moderate<br />

We t<br />

Ve ry we t<br />

2004/05<br />

20<br />

20<br />

0<br />

Agriculture Semi-natural vegetation <strong>Forest</strong><br />

0<br />

Agriculture Semi-natural vegetation <strong>Forest</strong><br />

Figure 5: Topographic wetness index by l<strong>and</strong> cover class.<br />

<strong>Forest</strong> <strong>L<strong>and</strong>scapes</strong> <strong>and</strong> <strong>Global</strong> <strong>Change</strong>-New Frontiers in Management, Conservation <strong>and</strong> Restoration. Proceedings of the IUFRO L<strong>and</strong>scape Ecology<br />

Working Group International Conference, September 21-27, 2010, Bragança, Portugal. J.C. Azevedo, M. Feliciano, J. Castro & M.A. Pinto (eds.)<br />

2010, Instituto Politécnico de Bragança, Bragança, Portugal.

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