Biological and Ecological Interest Site · mar
Barrage Al Mansour Ad-Dahbi
- Area
- 39 km²
- IUCN cat.
- Not Applicable
- Year
- 1994
Overview
- Designation
- Biological and Ecological Interest Site
- Established
- 1994
- Managing authority
- National Agency for Water and Forests
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
286 distinct species · 8 635 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 22 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 Barrage Al Mansour Ad-Dahbi : 18 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 30 interactions GloBI sur 2 types (connectance 13.0%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology7 basins · 1 lakes · 7 rivers
Hydrology metrics for this exact territory
Stream length here
33,5km
Lake surface here
31,83km²
Basins crossed
7
Max stream order
6
Max drainage
16 142km²
Discharge in basins
50,8m³/s
Mean precip.
246mm/an
Mean T°
16,9°C
Moisture idx
-0,84
Max snow
1%
Mean runoff
80mm/an
Mean elev. (basins)
1 393m
Watersheds crossing here
- Bassin de Oued Dadessub-area525,9 km²overlap12.02 km²31%
- Bassin de Assif Iriri ⴰⵙⵉⴼ ⵉⵔⵉⵔⵉsub-area90,2 km²overlap11.14 km²28%
- Bassin de Assif Iririsub-area4 459,2 km²overlap8.06 km²21%
- Bassin de Oued Izerkisub-area403,5 km²overlap2.88 km²7%
- Bassin de Oued Drâa ⴰⵙⵉⴼ ⵏ ⴷⵔⵄⴰ واد درعةsub-area1 189,3 km²overlap2.75 km²7%
- Bassin de Oued Ait Douchen ⴰⵙⵉⴼ ⵏ ⴰⵢⵜ ⴷⵓⵛⵏsub-area119,4 km²overlap1.54 km²4%
- Bassin de Assif Iriri ⴰⵙⵉⴼ ⵉⵔⵉⵔⵉsub-area0,9 km²overlap0.87 km²2%
Lakes (1, top by area)
Rivers / streams (7, ord ≥ 4)
- Assif Iriri ⴰⵙⵉⴼ ⵉⵔⵉⵔⵉord 5len here11.47 km54%total21 km
- Oued Dadesord 5len here8.06 km2%total345 km
- Oued Ait Douchen ⴰⵙⵉⴼ ⵏ ⴰⵢⵜ ⴷⵓⵛⵏord 4len here6.62 km32%total21 km
- Oued Izerki ⴰⵙⵉⴼ ⵉⵣⵔⴽⵉ وادي إزركيord 3len here2.62 km8%total34 km
- Assif Al Mengoubord 3len here2.55 km14%total19 km
- Oued Drâa ⴰⵙⵉⴼ ⵏ ⴷⵔⵄⴰ واد درعةord 7len here2.04 km0%total881 km
- Assif Iriri ⴰⵙⵉⴼ ⵏ ⵉⵔⵉⵔⵉ واد إريريord 4len here0.16 km0%total43 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Location
Fond cartographique : OpenFreeMap · © OpenStreetMap contributors · Géométrie : nos sources (GADM/HydroBASINS/HydroLAKES/HydroRIVERS/WDPA)
- Centroid
- 30.92545, -6.83898
- Open in maps
- OpenStreetMap → · Satellite →
Species observed (Phase 2)
Listing species observed within this protected area requires the GBIF v2 partition × WDPA spatial overlay matview. Computing infrastructure pending.