Réserve de Biosphère des Oasis du Sud Marocain (RBOSM)
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve · 2000
80 539 km²
Subdivision · MAR
Afella N'Dra
Morocco
BWhArid, desert, hot(77 %)
Species observed
40
Observations
64
Area
310,4km²
Ecological tissue
Sample of 17 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 Afella N'Dra : 17 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 13 interactions GloBI sur 2 types (connectance 9.6%, filtre Serrano α=0.2).
Espèces affichées
17
Interactions affichées
13
Connectance
0.096
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
40 distinct species · 64 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
19,1°C
Annual rain
137mm
Warmest m°
36,6°C
Coldest m°
1,1°C
Elevation: 1 318 m on average (min 940 m, max 1 631 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
19,1°C
Annual rain
137mm
Warmest month
36,6°C
Coldest month
1,1°C
Mean alt.
1 318m
Min
940m
Max
1 631m
Std. dev.
165m
Köppen-Geiger (dominant)
BWhArid, desert, hot(77 %)Arid
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
8,0
Org. C
6,6g/kg
Clay
21,7%
Sand
53,3%
Silt
25,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Ouarzazate
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
8,0
Org. C
9,2g/kg
Clay
20,5%
Sand
54,3%
Silt
25,2%
5–15 cm
pH H₂O
8,0
Org. C
5,8g/kg
Clay
21,9%
Sand
53,2%
Silt
24,9%
15–30 cm
pH H₂O
8,1
Org. C
4,9g/kg
Clay
22,6%
Sand
52,4%
Silt
25,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest0.5%
Crops0.5%
Built-up0.0%
Bare soil79.5%
Other (grassland, water…)19.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
51,5km
Basins crossed
2
Max stream order
6
Max drainage
16 142km²
Discharge in basins
16,9m³/s
Mean precip.
160mm/an
Mean T°
17,6°C
Moisture idx
-0,90
Mean runoff
65mm/an
Mean elev. (basins)
1 372m
Watersheds crossing here
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,0nW
Built-up
0,9%
Pesticides
2,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Applicable · 1IUCN Not Reported · 1
Moyenne Dr'a
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2005
564 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN