UNESCO-MAB Biosphere Reserve · dza
Djurdjura
- Area
- 380 km²
- IUCN cat.
- Not Applicable
- Year
- 1997
Overview
- Designation
- UNESCO-MAB Biosphere Reserve
- Established
- 1997
- Managing authority
- Ministère de l'Agriculture et du développement Rural
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
956 distinct species · 6 093 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 27 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 Djurdjura : 23 espèces + 4 bulles famille, 50 interactions GloBI documentées sur 1 type (connectance 14.2%, filtre Serrano α=0.2). Les 4 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydrology6 basins · 0 lakes · 6 rivers
Hydrology metrics for this exact territory
Stream length here
15,6km
Basins crossed
6
Max stream order
2
Max drainage
3 764km²
Discharge in basins
9,3m³/s
Mean precip.
820mm/an
Mean T°
16,1°C
Moisture idx
-0,28
Max snow
3%
Mean runoff
217mm/an
Mean elev. (basins)
613m
Watersheds crossing here
- Bassin de Asif n Sebawusub-area2 504,7 km²overlap200.87 km²53%
- Bassin de Oued Dous واد دورسsub-area406,1 km²overlap72.02 km²19%
- Bassin de Oued Sahelsub-area260,2 km²overlap45.02 km²12%
- Bassin de Oued Sahelsub-area343,8 km²overlap34.19 km²9%
- Bassin de Oued Sahelsub-area91 km²overlap27.71 km²7%
- Bassin de Oued Soufflatsub-area437,1 km²overlap0.16 km²0%
Rivers / streams (6, ord ≥ 4)
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
- 36.46516, 4.14724
- 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.