CHAPTER IV
Results & Descussion
48
IV.1.6.5.
Vegetation
The graph (figure 31) depicts the evolution of vegetation cover in Skikda province over 32 year
period from 1990 to 2022. The vertical axis represents the percentage of land area covered by
vegetation, while the horizontal axis denotes the corresponding years.
From the graph it is evident that there has been a decrease in vegetation cover over the given
timeframe. In 1990 the vegetation cover was 28, 92% which is the highest point in the given
timeframe, indicating a relatively healthy and plant presence in the area. Then, in 2000 the
vegetation cover decreased to 20%. In 2010, there was a steady decrease in vegetation cover,
reaching a low point of around 5%. However, the vegetation cover stood at approximately 26%
in 2022.
Figure 31: Distribution of vegetation land in 1990, 2000, 2010 and 2020.
0
50000
100000
150000
200000
250000
300000
350000
400000
450000
1990
2000
2010
2020
Total coastal
municipalities area (Ha) of vegetationation
Total non-coastal area (Ha)
municipalities of vegetationation
Total area of Skikda
Total surface of municipality