HydroBASINS lev08 watershed · #1080034210
Bassin de ترعة المحمودية
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 21 administrative regions : Abu Hummus, Ad-Dilinat, Al-'Amriyah, Al-'Atarin, Al-Jumruk +16
Sub-basin area
904,1km²
Upstream area
904,4km²
Discharge
0,67m³/s
Mean elev.
1m
Administrative coverage
21 dept-equivalent regions (GADM L2)
- 246.5 km²27.3% of basin
- 164.8 km²18.2% of basin
- 164.8 km²18.2% of basin
- 147.4 km²16.3% of basin
- 67.7 km²7.5% of basin
- 32.7 km²3.6% of basin
- 26.6 km²2.9% of basin
- 15.3 km²1.7% of basin
13 moreFull L2 list
- Sidi Jabir9.5 km² · 1.0%
- Muharam Bik8.6 km² · 1.0%
- Bab Sharqi4.1 km² · 0.4%
- Ar-Raml 13.8 km² · 0.4%
- Karmuz3.4 km² · 0.4%
- Port al-Basal2.5 km² · 0.3%
- Ad-Dilinat2.1 km² · 0.2%
- Port Alexandria Police Departmen1.2 km² · 0.1%
- Al-Laban1.0 km² · 0.1%
- Al-'Atarin1.0 km² · 0.1%
- Kawm Hamadah0.2 km² · 0.0%
- Al-Jumruk0.1 km² · 0.0%
- Al-Manshiyah0.0 km² · 0.0%
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
970 distinct species · 6 754 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 45 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
Indicateurs du tissu écologique
Tissu écologique de Bassin de ترعة المحمودية : 37 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 55 interactions GloBI sur 5 types (connectance 5.6%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
20,4°C
Annual rain
123mm
Moisture idx (CMI)
-0,91
Runoff
22mm/an
PET
1 388mm
AET
106mm
Mean slope
0,1°
Water table
20cm
Forest
0%
Crops
70%
Urban
78%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)