HydroBASINS lev08 watershed · #2081009250
Bassin · #2081009250
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 11 administrative regions : Ad Dhale'e, Al Dhihar, Al Husha, Al Mashannah, As Sabrah +6
Sub-basin area
791,2km²
Upstream area
791,2km²
Discharge
0,74m³/s
Mean elev.
1 862m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
11 dept-equivalent regions (GADM L2)
- 229.1 km²29.1% of basin
- 182.2 km²23.1% of basin
- 122.9 km²15.6% of basin
- As SayyaniIbb · Yemen68.7 km²8.7% of basin
- 59.0 km²7.5% of basin
- 59.0 km²7.5% of basin
- 22.9 km²2.9% of basin
- Al MashannahIbb · Yemen18.4 km²2.3% of basin
3 moreFull L2 list
- Al Dhihar15.1 km² · 1.9%
- Ash Sha'ir9.5 km² · 1.2%
- Ad Dhale'e1.3 km² · 0.2%
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
98 distinct species · 231 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 26 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 · #2081009250 : 22 espèces reliées par 24 interactions GloBI sur 3 types (connectance 6.8%, filtre Serrano α=0.2). 5 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°
20,0°C
Annual rain
433mm
Moisture idx (CMI)
-0,75
Runoff
55mm/an
PET
1 740mm
AET
365mm
Mean slope
12,2°
Water table
751cm
Forest
1%
Crops
19%
Urban
41%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)