78
The results of the estimation of the EF_c, the EF_built and the EF_total_urbanism which
represents the sum of the two types of EF are described in the tables 27 and 28 for the wilaya
of Algiers and the wilaya of Tipaza, respectively (figures 10,11).
Table 27. Ecological footprint of the urbanization sector in the wilaya of Algiers (2015)
Component
Required
information
Data
Unit
Emission
(tCO2eq)
Ecological
footprint
(gha)
Material
Dwellings
2602.7
10
3
units
Individual houses
602.2
Operational
energy
Naturel Gas
743
10
6
m
3
6.17
2.5
Electricity
2148.1
GWh
8.10*10
5
2.70*10
5
Embodied
energy
Concrete
40.9
10
6
Tonnes
3.59*10
7
1.20*10
7
Bricks
18.8
1.42*10
7
4.72*10
6
Steel
12.8
9.84*10
6
3.28*10
6
Total energy
6.08*10
7
2.02*10
7
Built land
Dwelling’s built
area
1561.61 ha
1.46*10
3
Individual houses’
built area
6.02
5.92
Total residential
area
1567.63
Table 28. Ecological footprint of the urbanization sector in the wilaya of Tipaza (2015)
Component Required information
Data
Unit
Emission
(tCO2eq)
Ecological
footprint
(gha)
Material
Dwellings
152 10
3
units
Individual houses
1.4
Operational
energy
Naturel Gas
77.3
10
6
m
3
6.5*10
-1
2.16*10
-1
Electricity
718.2
GWh
2.70*10
5
8.99*10
4
Embodied
energy
Concrete
1.9
10
6
Tonnes
4.63*10
5
1.54*10
5
Bricks
1.9
5.83*10
4
1.94*10
4
Steel
0.1
4.96*10
4
1.65*10
4
Total energy
8.41*10
5
2.8*10
5
Built land
Dwelling’s built area
91.2
ha
8.96*10
1
Individual houses’ built area
0.01
1.37*10
-2
Total residential area
1567.63
1.54*10
3