UNESCO-MAB Biosphere Reserve · dza
Tlemcen
- Area
- 1 064 km²
- IUCN cat.
- Not Applicable
- Year
- 2016
Overview
- Designation
- UNESCO-MAB Biosphere Reserve
- Established
- 2016
- Managing authority
- Ministère de l'Agriculture et du développement Rural
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
406 distinct species · 884 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Tlemcen : 27 espèces + 4 bulles famille, 44 interactions GloBI documentées sur 2 types (connectance 9.5%, 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).
Hydrology5 basins · 2 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
34,9km
Lake surface here
1,65km²
Basins crossed
5
Max stream order
4
Max drainage
4 957km²
Discharge in basins
1,2m³/s
Mean precip.
496mm/an
Mean T°
15,0°C
Moisture idx
-0,59
Max snow
1%
Mean runoff
29mm/an
Mean elev. (basins)
898m
Watersheds crossing here
Lakes (2, top by area)
Rivers / streams (1, 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
- 34.72233, -1.35886
- 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.