Réserve de Biosphère des Oasis du Sud Marocain (RBOSM)
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve · 2000
80 539 km²
Commune · DZA
Erg Ferradj
Algeria
BWhArid, desert, hot(100 %)
Species observed
92
Observations
158
Area
5 607km²
Ecological tissue
Sample of 24 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 Erg Ferradj : 21 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 25 interactions GloBI sur 2 types (connectance 9.1%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
24
Interactions affichées
25
Connectance
0.091
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
92 distinct species · 158 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
22,0°C
Annual rain
79mm
Warmest m°
39,5°C
Coldest m°
3,8°C
Elevation: 828 m on average (min 578 m, max 1 060 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
22,0°C
Annual rain
79mm
Warmest month
39,5°C
Coldest month
3,8°C
Mean alt.
828m
Min
578m
Max
1 060m
Std. dev.
113m
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
3,4g/kg
Clay
22,1%
Sand
48,6%
Silt
29,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
8,2
Org. C
4,1g/kg
Clay
21,9%
Sand
48,4%
Silt
29,6%
5–15 cm
pH H₂O
8,2
Org. C
3,4g/kg
Clay
22,1%
Sand
49,0%
Silt
29,0%
15–30 cm
pH H₂O
8,2
Org. C
2,6g/kg
Clay
22,3%
Sand
48,4%
Silt
29,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest0.1%
Crops0.1%
Built-up0.0%
Bare soil98.8%
Other (grassland, water…)1.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology17 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
39,0km
Basins crossed
17
Max stream order
6
Max drainage
43 718km²
Discharge in basins
20,1m³/s
Mean precip.
71mm/an
Mean T°
21,2°C
Moisture idx
-0,96
Mean runoff
24mm/an
Mean elev. (basins)
791m
Watersheds crossing here
- Basin #46200sub-area2 650,3 km²overlap1573.78 km²28%
- Basin #59060sub-area1 662,4 km²overlap1140.12 km²20%
- Bassin de Oued Guirsub-area1 990,3 km²overlap1078.30 km²19%
- Basin #43140sub-area1 377,5 km²overlap453.85 km²8%
- Bassin de Oued Guirsub-area706,4 km²overlap369.51 km²7%
- Basin #58850sub-area782 km²overlap303.74 km²5%
- Basin #62370sub-area1 156,8 km²overlap188.30 km²3%
- Basin #59150sub-area557,8 km²overlap141.61 km²3%
- Basin #53060sub-area674 km²overlap108.08 km²2%
8 more basinssorted by overlap
- Basin #42090sub-area1 444,9 km²overlap69.69 km²1%
- Bassin de Oued Guirsub-area1 617,9 km²overlap59.23 km²1%
- Basin #61730sub-area315,3 km²overlap41.28 km²1%
- Basin #62900sub-area1 880,1 km²overlap39.53 km²1%
- Bassin de Oued Guirsub-area1 146,5 km²overlap26.47 km²0%
- Basin #73180sub-area998,5 km²overlap9.72 km²0%
- Bassin de Oued Guirsub-area2 038 km²overlap3.64 km²0%
- Bassin de Oued Ziz ⴰⵙⵉⴼ ⵏ ⵣⵉⵣ وادي زيزsub-area128 km²overlap0.04 km²0%
Rivers / streams (1, 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
0,4%
Pesticides
0,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Applicable · 2
Rissani
IUCN Not ApplicablePermanent Hunting Reserve · 2021
15 945 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN