Chott Melrhir
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2003
5 386 km²
Commune · DZA
Oumache
Algeria
BWhArid, desert, hot(100 %)
Species observed
74
Observations
140
Area
815,8km²
Ecological tissue
Sample of 26 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 Oumache : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 29 interactions GloBI sur 3 types (connectance 8.9%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
26
Interactions affichées
29
Connectance
0.089
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
74 distinct species · 140 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
22,9°C
Annual rain
133mm
Warmest m°
39,9°C
Coldest m°
5,9°C
Elevation: 42 m on average (min 1 m, max 79 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
22,9°C
Annual rain
133mm
Warmest month
39,9°C
Coldest month
5,9°C
Mean alt.
42m
Min
1m
Max
79m
Std. dev.
13m
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
8,3
Org. C
7,1g/kg
Clay
22,6%
Sand
39,2%
Silt
38,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: smGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
8,3
Org. C
8,6g/kg
Clay
21,3%
Sand
40,3%
Silt
38,4%
5–15 cm
pH H₂O
8,3
Org. C
6,0g/kg
Clay
23,2%
Sand
38,9%
Silt
37,8%
15–30 cm
pH H₂O
8,3
Org. C
6,7g/kg
Clay
23,2%
Sand
38,3%
Silt
38,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest1.2%
Crops4.4%
Built-up0.1%
Bare soil87.9%
Other (grassland, water…)6.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology5 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
48,1km
Basins crossed
5
Max stream order
5
Max drainage
33 290km²
Discharge in basins
14,0m³/s
Mean precip.
121mm/an
Mean T°
21,8°C
Moisture idx
-0,92
Mean runoff
33mm/an
Mean elev. (basins)
75m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
1,0nW
Built-up
12,6%
Pesticides
1,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN