Réserve de Biosphère des Oasis du Sud Marocain (RBOSM)
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve · 2000
80 539 km²
Commune · MAR
Arfoud
Morocco
BWhArid, desert, hot(100 %)
Species observed
588
Observations
9 040
Area
5 972,4km²
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).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Arfoud : 18 espèces reliées par 31 interactions GloBI sur 3 types (connectance 13.4%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
22
Interactions affichées
31
Connectance
0.134
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
588 distinct species · 9 040 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
22,0°C
Annual rain
101mm
Warmest m°
39,3°C
Coldest m°
3,3°C
Elevation: 897 m on average (min 676 m, max 1 362 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
22,0°C
Annual rain
101mm
Warmest month
39,3°C
Coldest month
3,3°C
Mean alt.
897m
Min
676m
Max
1 362m
Std. dev.
123m
Köppen-Geiger (dominant)
BWhArid, desert, hot(100 %)Arid
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
8,2
Org. C
4,1g/kg
Clay
24,0%
Sand
47,5%
Silt
28,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: scGLiMaggregated to Errachidia
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
8,2
Org. C
5,2g/kg
Clay
23,4%
Sand
47,8%
Silt
28,8%
5–15 cm
pH H₂O
8,2
Org. C
4,0g/kg
Clay
23,8%
Sand
47,6%
Silt
28,6%
15–30 cm
pH H₂O
8,2
Org. C
3,2g/kg
Clay
24,6%
Sand
47,0%
Silt
28,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest0.3%
Crops0.5%
Built-up0.0%
Bare soil94.3%
Other (grassland, water…)4.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology21 basins · 0 lakes · 10 rivers
Hydrology metrics for this exact territory
Stream length here
438,8km
Basins crossed
21
Max stream order
5
Max drainage
11 072km²
Discharge in basins
51,6m³/s
Mean precip.
92mm/an
Mean T°
19,8°C
Moisture idx
-0,95
Mean runoff
42mm/an
Mean elev. (basins)
973m
Watersheds crossing here
- Bassin de Oued Alnifsub-area3 179,2 km²overlap1868.25 km²31%
- Bassin de Oued Tazlafte وادي تزلافتsub-area1 617,2 km²overlap884.43 km²15%
- Bassin de Oued Aoufoussub-area1 989,5 km²overlap504.48 km²8%
- Bassin de Oued Gheris ⴰⵙⵉⴼ ⵏ ⵖⵔⵉⵙ وادي اغريسsub-area648 km²overlap492.05 km²8%
- Bassin de Oued Ziz ⴰⵙⵉⴼ ⵏ ⵣⵉⵣ وادي زيزsub-area939,8 km²overlap440.41 km²7%
- Bassin de Oued Gheris ⴰⵙⵉⴼ ⵏ ⵖⵔⵉⵙ وادي اغريسsub-area425,5 km²overlap310.26 km²5%
- Bassin de Qued Chouirefsub-area1 183,6 km²overlap296.40 km²5%
- Bassin de Oued Gheris ⴰⵙⵉⴼ ⵏ ⵖⵔⵉⵙ وادي اغريسsub-area569,6 km²overlap283.47 km²5%
- Bassin de Oued Tarda ⴰⵙⵉⴼ ⵏ ⵜⴰⵔⴷⴰ وادي تاردةsub-area867,4 km²overlap210.14 km²4%
12 more basinssorted by overlap
- Bassin de Assif n Taoudacht ⴰⵙⵉⴼ ⵏ ⵜⴰⵡⴷⴰⵛⵜsub-area3 761,3 km²overlap144.42 km²2%
- Basin #42090sub-area1 444,9 km²overlap143.34 km²2%
- Bassin de Oued Tazlafte وادي تزلافتsub-area318,3 km²overlap126.94 km²2%
- Bassin de Oued Ziz ⴰⵙⵉⴼ ⵏ ⵣⵉⵣ وادي زيزsub-area768,5 km²overlap79.81 km²1%
- Bassin de Oued Guirsub-area1 617,9 km²overlap63.02 km²1%
- Bassin de Oued Gheris ⴰⵙⵉⴼ ⵏ ⵖⵔⵉⵙ وادي اغريسsub-area484,8 km²overlap53.14 km²1%
- Basin #49070sub-area1 678,3 km²overlap40.12 km²1%
- Bassin de Oued Ziz ⴰⵙⵉⴼ ⵏ ⵣⵉⵣ وادي زيزsub-area619,7 km²overlap17.28 km²0%
- Bassin de Oued Ziz ⴰⵙⵉⴼ ⵏ ⵣⵉⵣ وادي زيزsub-area1 292,8 km²overlap8.79 km²0%
- Bassin de Oued Gheris ⴰⵙⵉⴼ ⵏ ⵖⵔⵉⵙ وادي اغريسsub-area2 012,5 km²overlap3.33 km²0%
- Bassin de Oued Gheris ⴰⵙⵉⴼ ⵏ ⵖⵔⵉⵙ وادي اغريسsub-area218,9 km²overlap1.84 km²0%
- Bassin de Oued Toudra ⴰⵙⵉⴼ ⵏ ⵜⵓⴷⵖⴰ وادي تدغةsub-area633,9 km²overlap0.47 km²0%
Rivers / streams (10, ord ≥ 4)
- Oued Alniford 4len here95.63 km91%total105 km
- Oued Tazlafte وادي تزلافتord 4len here91.78 km74%total123 km
- Oued Ziz ⴰⵙⵉⴼ ⵏ ⵣⵉⵣ وادي زيزord 5len here72.90 km12%total631 km
- Oued Gheris ⴰⵙⵉⴼ ⵏ ⵖⵔⵉⵙ وادي اغريسord 6len here64.60 km15%total430 km
- Oued Tarda ⴰⵙⵉⴼ ⵏ ⵜⴰⵔⴷⴰ وادي تاردةord 5len here54.69 km46%total120 km
- Oued Timarziteord 2len here17.05 km100%total17 km
- Oued Takechtemteord 2len here13.90 km42%total33 km
- Oued Tamargouteord 2len here13.15 km100%total13 km
- Oued Todgha ⴰⵙⵉⴼ ⵏ ⵜⵓⴷⵖⴰord 5len here8.13 km42%total19 km
- Oued Ouarbinnoucheord 1len here7.00 km21%total33 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,1nW
Built-up
3,4%
Pesticides
0,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas6
IUCN Not Applicable · 5IUCN Not Reported · 1
Rissani
IUCN Not ApplicablePermanent Hunting Reserve · 2021
15 945 km²
Alnif
IUCN Not ApplicablePermanent Hunting Reserve · 2021
5 730 km²
Aferdou - Errachidia
IUCN Not ApplicablePermanent Hunting Reserve · 2021
393 km²
Oasis du Tafilalet
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2005
153 km²
Msissi
IUCN Not ApplicableBiological and Ecological Interest Site · 1994
43 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN