UNESCO-MAB Biosphere Reserve · mar
Réserve de Biosphère de la Cedraie de l'Atlas (RBCA)
- Area
- 13 762 km²
- IUCN cat.
- Not Applicable
- Year
- 2016
Overview
- Designation
- UNESCO-MAB Biosphere Reserve
- Established
- 2016
- Managing authority
- National Agency for Water and Forests
Source : WDPA (UNEP-WCMC, World Database on Protected Areas).
Species present
3 720 distinct species · 64 153 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 35 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 Réserve de Biosphère de la Cedraie de l'Atlas (RBCA) : 31 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 47 interactions GloBI sur 4 types (connectance 7.9%, 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).
Hydrology25 basins · 12 lakes · 32 rivers
Hydrology metrics for this exact territory
Stream length here
1 125,0km
Lake surface here
7,20km²
Basins crossed
25
Max stream order
4
Max drainage
5 755km²
Discharge in basins
39,2m³/s
Mean precip.
573mm/an
Mean T°
13,2°C
Moisture idx
-0,57
Max snow
6%
Mean runoff
86mm/an
Mean elev. (basins)
1 519m
Watersheds crossing here
- Bassin de Oued Moulouya وادي ملويةsub-area2 273,2 km²overlap2076.86 km²15%
- Bassin de Oued Srousub-area1 558,5 km²overlap1557.68 km²11%
- Bassin de Oued Al Abidsub-area3 238,2 km²overlap1492.42 km²11%
- Bassin de Oued Guigousub-area1 907,3 km²overlap1316.53 km²10%
- Bassin de Oum Er Rbiasub-area1 508,7 km²overlap1128.55 km²8%
- Bassin de Oued Tigrigrasub-area1 115,2 km²overlap1104.63 km²8%
- Bassin de Oued Ansegmirsub-area1 070 km²overlap990.12 km²7%
- Bassin de Oued Mikkès واد مكسsub-area1 924,9 km²overlap719.57 km²5%
- Bassin de Oued Rdomsub-area2 605,3 km²overlap573.79 km²4%
16 more basinssorted by overlap
- Bassin de Oued Moulouya ⴰⵙⵉⴼ ⵏ ⵎⵍⵡⵢⵢⴰ وادي ملويةsub-area1 549,1 km²overlap522.71 km²4%
- Bassin de Oued Ifranesub-area623,8 km²overlap407.98 km²3%
- Bassin de Oued Fes واد فاسsub-area894,3 km²overlap392.82 km²3%
- Bassin de Oued Outatsub-area784,2 km²overlap389.77 km²3%
- Bassin de Oued N'Iglisub-area527,9 km²overlap229.95 km²2%
- Bassin de Oued Oum Rbiasub-area2 687,9 km²overlap170.90 km²1%
- Bassin de Oued Sebou ⴰⵙⵉⴼ ⵏ ⵙⴱⵓ واد سبوsub-area1 252,4 km²overlap155.46 km²1%
- Bassin de Oued Sebou ⴰⵙⵉⴼ ⵏ ⵙⴱⵓ واد سبوsub-area419,3 km²overlap146.47 km²1%
- Bassin de Oued Hamzasub-area1 300 km²overlap107.43 km²1%
- Bassin de Oued Sebachsub-area566,1 km²overlap84.75 km²1%
- Bassin de Assif Melloulsub-area1 774,3 km²overlap76.52 km²1%
- Bassin de Bou Regregsub-area3 883,8 km²overlap55.19 km²0%
- Bassin de Oued Beht ⴰⵙⵉⴼ ⵏ ⴱⵀⵜ واد بهتsub-area1 748 km²overlap40.61 km²0%
- Basin #14320sub-area357,3 km²overlap13.94 km²0%
- Bassin de Oued Outerbatsub-area460,2 km²overlap7.24 km²0%
- Bassin de Oued Dernasub-area562,5 km²overlap0.53 km²0%
Lakes (12, top by area)
- Isliarea2 km²avg depth10.4 m
- Agalmane Sidi Aliarea1,7 km²avg depth5.8 m
- Lac 1373419area0,9 km²avg depth6.9 m
- Lac 1375058area0,6 km²avg depth5.7 m
- Lac 1373466area0,5 km²avg depth3.9 m
- Lac 1373938area0,3 km²avg depth9.5 m
- Lac 1373909area0,3 km²avg depth6.6 m
- Lac 1373643area0,3 km²avg depth1.7 m
- Lac 1373431area0,2 km²avg depth4.5 m
Rivers / streams (32, ord ≥ 4)
- Oued Srouord 4len here155.39 km100%total155 km
- Oued Moulouya وادي ملويةord 6len here146.58 km12%total1225 km
- Oued Tigrigraord 4len here97.85 km94%total105 km
- Oum Er Rbiaord 3len here89.06 km70%total127 km
- Oued Guigouord 3len here76.78 km42%total182 km
- Akka n'Ouanineord 3len here66.95 km100%total67 km
- Oued Ansegmirord 3len here60.39 km78%total77 km
- Assif n'Ougheddouord 3len here39.82 km100%total40 km
- Oued Outatord 4len here34.97 km70%total50 km
- Oued Oudinèsord 2len here34.52 km100%total35 km
- Assif n'Ouirineord 3len here28.68 km100%total29 km
- Amane n'Tarhefrastord 3len here26.69 km100%total27 km
20 more river segmentssorted by Strahler order + length
- Oued Jaafarord 3len here25.95 km100%total26 km
- Oued Aïn Leuhord 3len here25.30 km75%total34 km
- TNMOURSord 1len here24.45 km100%total24 km
- Oued Ifraneord 3len here22.14 km62%total36 km
- Oued Agheddouord 2len here18.10 km100%total18 km
- Aït Lahceine ⴰⵢⵜ ⵍⴰⵃⵙⴰⵢⵏ آيت لحسينord 2len here17.75 km100%total18 km
- Oued Tourha n' Aït Moussaord 2len here15.79 km100%total16 km
- Oued Aïn Maarouford 2len here15.77 km32%total49 km
- Oued El Hammameord 2len here15.36 km100%total15 km
- Oued Al Abidord 5len here12.83 km3%total368 km
- Akka Tiddiouaord 1len here9.89 km100%total10 km
- Assif Melloulord 4len here9.47 km5%total187 km
- Akka Ouiadord 2len here8.95 km100%total9 km
- Asif Timirrhiznaord 1len here8.61 km100%total9 km
- واد أم اربيعord 2len here7.91 km100%total8 km
- Oued Tizguitord 2len here7.23 km100%total7 km
- Oued Oum Rbiaord 6len here7.01 km1%total718 km
- Oued Al Qayed واد القايدord 2len here5.13 km31%total16 km
- OUED EL QANTRAord 1len here5.02 km100%total5 km
- oued el kramord 1len here4.67 km35%total13 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
- 33.00830, -5.24158
- 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.