Chott Melrhir
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2003
5 386 km²
Commune · DZA
Hamraia
Algeria
BWhArid, desert, hot(100 %)
Species observed
38
Observations
50
Area
2 398,7km²
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 Hamraia : 12 espèces 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
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
38 distinct species · 50 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
23,1°C
Annual rain
113mm
Warmest m°
40,1°C
Coldest m°
6,2°C
Elevation: -25 m on average (min -30 m, max 3 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
23,1°C
Annual rain
113mm
Warmest month
40,1°C
Coldest month
6,2°C
Mean alt.
-25m
Min
-30m
Max
3m
Std. dev.
5m
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
8,1
Org. C
20,3g/kg
Clay
25,9%
Sand
38,6%
Silt
35,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
8,1
Org. C
24,0g/kg
Clay
25,0%
Sand
39,4%
Silt
35,6%
5–15 cm
pH H₂O
8,1
Org. C
19,2g/kg
Clay
26,1%
Sand
38,3%
Silt
35,6%
15–30 cm
pH H₂O
8,1
Org. C
17,8g/kg
Clay
26,6%
Sand
38,0%
Silt
35,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest0.2%
Crops2.7%
Built-up0.0%
Bare soil95.0%
Other (grassland, water…)2.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology25 basins · 30 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
27,7km
Lake surface here
361,67km²
Basins crossed
25
Max stream order
6
Max drainage
89 137km²
Discharge in basins
2,1m³/s
Mean precip.
106mm/an
Mean T°
21,5°C
Moisture idx
-0,93
Mean runoff
18mm/an
Mean elev. (basins)
73m
Watersheds crossing here
- Basin #02530sub-area2 083,1 km²overlap339.95 km²14%
- Basin #99810sub-area1 122,2 km²overlap291.64 km²12%
- Basin #00280sub-area203,5 km²overlap203.41 km²8%
- Bassin de Oued Boudjabessub-area2 388,6 km²overlap199.06 km²8%
- Basin #00350sub-area3 281 km²overlap177.94 km²7%
- Basin #99940sub-area169,2 km²overlap154.23 km²6%
- Bassin de Oued el Masub-area1 423,2 km²overlap145.41 km²6%
- Basin #99830sub-area1 988,2 km²overlap137.58 km²6%
- Bassin de Oued Itelsub-area1 292 km²overlap133.49 km²6%
16 more basinssorted by overlap
- Basin #99220sub-area1 707,1 km²overlap121.29 km²5%
- Basin #00120sub-area123,4 km²overlap107.94 km²4%
- Basin #99760sub-area272,8 km²overlap100.09 km²4%
- Basin #00110sub-area1 236,8 km²overlap99.38 km²4%
- Bassin de Oued Itelsub-area71,7 km²overlap71.71 km²3%
- Basin #99160sub-area1 381,2 km²overlap35.15 km²1%
- Bassin de Oued Itelsub-area85,4 km²overlap25.99 km²1%
- Basin #00270sub-area20,4 km²overlap20.43 km²1%
- Basin #01040sub-area549,3 km²overlap15.37 km²1%
- Basin #00290sub-area5,1 km²overlap5.14 km²0%
- Basin #00030sub-area4,2 km²overlap4.19 km²0%
- Basin #98420sub-area680,9 km²overlap3.20 km²0%
- Bassin de Oued Itelsub-area2,8 km²overlap2.79 km²0%
- Basin #40340sub-area1,8 km²overlap1.77 km²0%
- Basin #01030sub-area1 814,9 km²overlap1.32 km²0%
- Basin #99080sub-area1,6 km²overlap0.27 km²0%
Lakes (30, top by area)
- شط ملغيغ ⵛⵛⴻⵟ ⵎⴻⵍⵖⵉⵖarea319,3 km²avg depth2.9 m
- شط ملغيغ ⵛⵛⴻⵟ ⵎⴻⵍⵖⵉⵖarea280,8 km²avg depth2.4 m
- شط ملغيغ ⵛⵛⴻⵟ ⵎⴻⵍⵖⵉⵖarea9,9 km²avg depth1.6 m
- شط ملغيغ ⵛⵛⴻⵟ ⵎⴻⵍⵖⵉⵖarea4,8 km²avg depth1.3 m
- شط ملغيغ ⵛⵛⴻⵟ ⵎⴻⵍⵖⵉⵖarea4,2 km²avg depth1.0 m
- Lake #74852area3,1 km²avg depth2.3 m
- شط ملغيغ ⵛⵛⴻⵟ ⵎⴻⵍⵖⵉⵖarea2,1 km²avg depth1.3 m
- شط ملغيغ ⵛⵛⴻⵟ ⵎⴻⵍⵖⵉⵖarea2,1 km²avg depth1.5 m
- شط ملغيغ ⵛⵛⴻⵟ ⵎⴻⵍⵖⵉⵖarea1 km²avg depth2.3 m
21 more lakes
- Lake #74846area1 km²avg depth1.2 m
- Lac 1373203area0,9 km²avg depth2.2 m
- Lac 1373168area0,7 km²avg depth2.0 m
- Lac 1373162area0,7 km²avg depth2.0 m
- Lac 1373149area0,6 km²avg depth1.9 m
- Lac 1373182area0,6 km²avg depth2.3 m
- Lac 1373143area0,5 km²avg depth2.0 m
- Lac 1373206area0,5 km²avg depth3.0 m
- Lac 1373146area0,4 km²avg depth1.5 m
- Lac 1373133area0,4 km²avg depth2.0 m
- Lac 1373093area0,4 km²avg depth1.9 m
- Lac 1373176area0,3 km²avg depth1.5 m
- Lac 1373167area0,3 km²avg depth2.0 m
- Lac 1373153area0,3 km²avg depth1.3 m
- Lac 1373161area0,3 km²avg depth1.1 m
- Lac 1373219area0,2 km²avg depth1.8 m
- Lac 1373129area0,2 km²avg depth1.8 m
- Lac 1373180area0,2 km²avg depth1.5 m
- Lac 1373170area0,2 km²avg depth1.4 m
- Lac 1373125area0,2 km²avg depth1.4 m
- Lac 1373179area0,2 km²avg depth1.6 m
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
0,1nW
Built-up
1,2%
Pesticides
0,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Not Reported · 2
Chott Merouane et Oued Khrouf
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2001
3 244 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN