Réserve de Biosphère des Oasis du Sud Marocain (RBOSM)
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve · 2000
80 539 km²
Commune · MAR
Errich
Morocco
BWkArid, desert, cold(65 %)
Species observed
544
Observations
2 073
Area
4 128,4km²
Ecological tissue
Sample of 27 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 Errich : 18 espèces reliées par 58 interactions GloBI sur 5 types (connectance 16.5%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
27
Interactions affichées
58
Connectance
0.165
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
544 distinct species · 2 073 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
15,3°C
Annual rain
254mm
Warmest m°
32,2°C
Coldest m°
-0,5°C
Elevation: 1 703 m on average (min 1 158 m, max 3 280 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
15,3°C
Annual rain
254mm
Warmest month
32,2°C
Coldest month
-0,5°C
Mean alt.
1 703m
Min
1 158m
Max
3 280m
Std. dev.
332m
Köppen-Geiger (dominant)
BWkArid, desert, cold(65 %)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
12,2g/kg
Clay
19,8%
Sand
51,4%
Silt
28,8%
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
8,0
Org. C
15,5g/kg
Clay
18,0%
Sand
52,8%
Silt
29,2%
5–15 cm
pH H₂O
8,1
Org. C
9,7g/kg
Clay
20,0%
Sand
51,3%
Silt
28,7%
15–30 cm
pH H₂O
8,1
Org. C
11,5g/kg
Clay
21,3%
Sand
50,1%
Silt
28,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest1.6%
Crops1.1%
Built-up0.0%
Bare soil64.0%
Other (grassland, water…)33.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology20 basins · 0 lakes · 6 rivers
Hydrology metrics for this exact territory
Stream length here
287,0km
Basins crossed
20
Max stream order
5
Max drainage
6 946km²
Discharge in basins
15,0m³/s
Mean precip.
252mm/an
Mean T°
14,4°C
Moisture idx
-0,81
Max snow
3%
Mean runoff
40mm/an
Mean elev. (basins)
1 667m
Watersheds crossing here
- Bassin de Oued Hamzasub-area1 300 km²overlap1277.55 km²31%
- Bassin de Oued Guir ⴰⵙⵉⴼ ⵏ ⴳⵉⵔ وادي قيرsub-area812 km²overlap811.50 km²20%
- Bassin de Oued Ziz ⴰⵙⵉⴼ ⵏ ⵣⵉⵣ وادي زيزsub-area813,2 km²overlap527.07 km²13%
- Bassin de Oued Ziz ⴰⵙⵉⴼ ⵏ ⵣⵉⵣ وادي زيزsub-area307,4 km²overlap307.17 km²7%
- Bassin de Oued Guir ⴰⵙⵉⴼ ⵏ ⴳⵉⵔ وادي قيرsub-area231,5 km²overlap203.66 km²5%
- Bassin de Oued Guir ⴰⵙⵉⴼ ⵏ ⴳⵉⵔ وادي قيرsub-area225,3 km²overlap199.96 km²5%
- Bassin de Oued Moulouya ⴰⵙⵉⴼ ⵏ ⵎⵍⵡⵢⵢⴰ وادي ملويةsub-area431,2 km²overlap179.31 km²4%
- Bassin de Oued Ziz ⴰⵙⵉⴼ ⵏ ⵣⵉⵣ وادي زيزsub-area174,2 km²overlap172.54 km²4%
- Bassin de Oued Ziz ⴰⵙⵉⴼ ⵏ ⵣⵉⵣ وادي زيزsub-area1 292,8 km²overlap126.69 km²3%
11 more basinssorted by overlap
- Bassin de Oued Moulouya ⴰⵙⵉⴼ ⵏ ⵎⵍⵡⵢⵢⴰ وادي ملويةsub-area762,8 km²overlap107.86 km²3%
- Bassin de Oued Guir ⴰⵙⵉⴼ ⵏ ⴳⵉⵔ وادي قيرsub-area328,8 km²overlap73.13 km²2%
- Bassin de Bou Zergasub-area323,6 km²overlap64.82 km²2%
- Bassin de Oued Gheris ⴰⵙⵉⴼ ⵏ ⵖⵔⵉⵙ وادي اغريسsub-area2 012,5 km²overlap35.53 km²1%
- Basin #14320sub-area357,3 km²overlap13.61 km²0%
- Bassin de Oued Outatsub-area784,2 km²overlap12.68 km²0%
- Bassin de Oued Ait Aissasub-area1 815 km²overlap10.68 km²0%
- Bassin de Oued Ansegmirsub-area1 070 km²overlap2.59 km²0%
- Bassin de Oued Aoufoussub-area1 989,5 km²overlap1.97 km²0%
- Bassin de Oued N'Iglisub-area527,9 km²overlap0.10 km²0%
- Bassin de Oued Guir ⴰⵙⵉⴼ ⵏ ⴳⵉⵔ وادي قيرsub-area284 km²overlap0.00 km²0%
Rivers / streams (6, ord ≥ 4)
- Oued Guir ⴰⵙⵉⴼ ⵏ ⴳⵉⵔ وادي قيرord 6len here106.45 km28%total383 km
- Oued Ziz ⴰⵙⵉⴼ ⵏ ⵣⵉⵣ وادي زيزord 5len here88.23 km14%total631 km
- Oued Hamzaord 5len here71.33 km97%total74 km
- Akka Zidetord 2len here8.02 km35%total23 km
- Oued Ziz ⴰⵙⵉⴼ ⵏ ⵣⵉⵣ واد زيزord 3len here7.63 km33%total23 km
- وادي قيرord 2len here5.30 km100%total5 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
3,1%
Pesticides
0,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas6
IUCN Not Applicable · 6
Réserve de Biosphère de la Cedraie de l'Atlas (RBCA)
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve · 2016
13 762 km²
Missour et Outat El Haj
IUCN Not ApplicablePermanent Hunting Reserve · 2021
7 150 km²
Jbel Ayachi
IUCN Not ApplicablePermanent Hunting Reserve · 2021
311 km²
Jbel Ayachi
IUCN Not ApplicableBiological and Ecological Interest Site · 1994
197 km²
Jbel Taghioult
IUCN Not ApplicableBiological and Ecological Interest Site · 1994
101 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN