Atlas Saharien
IUCN Not ApplicableCultural Park · 2008
88 692 km²
Commune · DZA
Chellal
Algeria
BWhArid, desert, hot(100 %)
Species observed
26
Observations
37
Area
452,7km²
Ecological tissue
Sample of 12 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 Chellal : 12 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 8 interactions GloBI sur 3 types (connectance 12.1%, filtre Serrano α=0.2).
Espèces affichées
12
Interactions affichées
8
Connectance
0.121
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
26 distinct species · 37 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
19,8°C
Annual rain
183mm
Warmest m°
38,1°C
Coldest m°
3,8°C
Elevation: 407 m on average (min 393 m, max 452 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
19,8°C
Annual rain
183mm
Warmest month
38,1°C
Coldest month
3,8°C
Mean alt.
407m
Min
393m
Max
452m
Std. dev.
10m
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
7,9
Org. C
7,6g/kg
Clay
25,3%
Sand
38,2%
Silt
36,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: evGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
7,8
Org. C
9,4g/kg
Clay
24,4%
Sand
39,1%
Silt
36,5%
5–15 cm
pH H₂O
7,9
Org. C
6,5g/kg
Clay
25,3%
Sand
38,1%
Silt
36,6%
15–30 cm
pH H₂O
7,9
Org. C
6,8g/kg
Clay
26,3%
Sand
37,4%
Silt
36,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest0.3%
Crops6.1%
Built-up0.1%
Bare soil85.2%
Other (grassland, water…)8.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology4 basins · 0 lakes · 5 rivers
Hydrology metrics for this exact territory
Stream length here
31,8km
Basins crossed
4
Max stream order
4
Max drainage
11 638km²
Discharge in basins
5,8m³/s
Mean precip.
242mm/an
Mean T°
15,6°C
Moisture idx
-0,81
Mean runoff
44mm/an
Mean elev. (basins)
591m
Watersheds crossing here
Rivers / streams (5, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,4nW
Built-up
6,6%
Pesticides
1,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Applicable · 1IUCN Not Reported · 1
Chott el Hodna
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2001
3 599 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN