HydroBASINS lev08 watershed · #2081002310
Bassin de WADI MAWR
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 : Aflah Al Yaman, Al Maghrabah, Al Mahabishah, Al Miftah, Amran +16
Sub-basin area
1 192,4km²
Upstream area
6 667,1km²
Discharge
2,16m³/s
Mean elev.
1 115m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de WADI MAWR2354 km²
- Bassin de WADI MAWR849 km²
21 dept-equivalent regions (GADM L2)
- 196.3 km²16.5% of basin
- Ku'aydinahHajjah · Yemen190.0 km²16.0% of basin
- Bani Qa'isHajjah · Yemen156.2 km²13.1% of basin
- Ash ShahilHajjah · Yemen104.7 km²8.8% of basin
- 75.6 km²6.4% of basin
- 62.7 km²5.3% of basin
- Al MaghrabahHajjah · Yemen60.9 km²5.1% of basin
- Kuhlan AffarHajjah · Yemen59.5 km²5.0% of basin
13 moreFull L2 list
- Al Mahabishah53.1 km² · 4.5%
- Maswar44.1 km² · 3.7%
- Hajjah City43.8 km² · 3.7%
- Amran36.7 km² · 3.1%
- Najrah27.5 km² · 2.3%
- Wadhrah23.6 km² · 2.0%
- Thula17.6 km² · 1.5%
- Qafl Shamer15.5 km² · 1.3%
- Ash Shaghadirah11.3 km² · 1.0%
- Aflah Al Yaman6.5 km² · 0.5%
- Al Miftah1.5 km² · 0.1%
- Bani Al Awam0.9 km² · 0.1%
- Jabal Iyal Yazid0.1 km² · 0.0%
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
100 distinct species · 256 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 24 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 WADI MAWR : 21 espèces reliées par 27 interactions GloBI sur 3 types (connectance 9.8%, filtre Serrano α=0.2). 3 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°
23,4°C
Annual rain
157mm
Moisture idx (CMI)
-0,91
Runoff
34mm/an
PET
1 745mm
AET
131mm
Mean slope
16,7°
Water table
799cm
Forest
20%
Crops
35%
Urban
19%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)