iii
2.1. Choice of analysis ...................................................................................................... 38
2.2. Selection of the study area: Coastal wilayas ............................................................... 38
2.2.1.
Activity ............................................................................................................ 38
2.2.2.
Location .......................................................................................................... 39
2.3.
Study model ........................................................................................................... 39
2.4.
Year of study .......................................................................................................... 39
2.5. Presentation of the study zone .................................................................................. 39
2.6.
The wilaya of Algiers ............................................................................................... 41
2.6.1.
General description ......................................................................................... 41
2.6.2.
Natural potential of the wilaya ........................................................................ 41
2.6.3.
Socio-economic activities ................................................................................ 42
2.6.4.
Urban fabric .................................................................................................... 44
2.6.5.
Waste management ........................................................................................ 45
2.7.
The wilaya of Tipaza ............................................................................................... 46
2.7.1.
General description ............................................................................................ 46
2.7.2.
Natural potential of the wilaya ........................................................................... 46
2.7.3.
Socio-economic activity ...................................................................................... 47
2.7.4.
Urban fabric........................................................................................................ 49
2.7.5.
Waste management ........................................................................................... 50
CHAPTER 03. Methodology .................................................................................................. 51
3.1.
Data collection ....................................................................................................... 51
3.2.
Urban Metabolism and Life Cycle Assessment data ................................................ 54
3.2.1.
Conversion figures .......................................................................................... 56
3.3. Ecological footprint and biocapacity assessment ....................................................... 60
3.3.1.
Calculation of the ecological footprint for each category of activity .................... 60
3.3.2.
Calculation of biocapacity ................................................................................... 60
CHAPTER 04. Results and discussion.................................................................................... 62
4.1. Urban metabolism inventory ......................................................................................... 62
4.1.1.
Fishing sector...................................................................................................... 62
4.1.2.
Food sector ......................................................................................................... 64
4.1.3.
Forest sector ....................................................................................................... 65
4.1.4.
Water sector ....................................................................................................... 66
4.1.5.
Urbanization sector ............................................................................................ 67