Commune · SDN
El Matammah
Sudan
Species observed
100
Observations
322
Area
9 458,5km²
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).
Indicateurs du tissu écologique
Tissu écologique de El Matammah : 18 espèces reliées par 37 interactions GloBI sur 2 types (connectance 12.3%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
100 distinct species · 322 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
28,9°C
Annual rain
46mm
Warmest m°
40,2°C
Coldest m°
13,2°C
Elevation: 433 m on average (min 352 m, max 539 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
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
22,0%
Sand
54,9%
Silt
23,1%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Al Matammah
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology21 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
282,2km
Basins crossed
21
Max stream order
8
Max drainage
2 006 984km²
Discharge in basins
3 329,6m³/s
Mean precip.
76mm/an
Mean T°
29,1°C
Moisture idx
-0,96
Mean runoff
13mm/an
Mean elev. (basins)
428m
Watersheds crossing here
- Bassin de نهر النيلsub-area2 446,9 km²overlap2329.53 km²25%
- Basin #37250sub-area1 294,8 km²overlap1168.92 km²12%
- Basin #28150sub-area1 058,1 km²overlap792.75 km²8%
- Basin #28580sub-area984,6 km²overlap724.74 km²8%
- Basin #60160sub-area1 484 km²overlap697.43 km²7%
- Bassin de نهر النيلsub-area2 535,9 km²overlap623.48 km²7%
- Bassin de نهر النيلsub-area1 227 km²overlap515.21 km²5%
- Bassin de نهر النيلsub-area1 025,2 km²overlap508.95 km²5%
- Basin #43370sub-area567,7 km²overlap426.68 km²5%
12 more basinssorted by overlap
- Basin #39510sub-area1 987,6 km²overlap379.20 km²4%
- Basin #30640sub-area703,3 km²overlap358.32 km²4%
- Basin #30020sub-area852,8 km²overlap333.34 km²4%
- Bassin de نهر النيلsub-area1 369,2 km²overlap315.66 km²3%
- Bassin de نهر النيلsub-area2 056,4 km²overlap140.68 km²1%
- Bassin de نهر النيلsub-area1 534,1 km²overlap65.24 km²1%
- Bassin de Wadi Muqqadamsub-area1 298 km²overlap32.57 km²0%
- Basin #43360sub-area136,7 km²overlap29.09 km²0%
- Bassin de Wadi el Hwadsub-area969,3 km²overlap13.85 km²0%
- Bassin de نهر النيلsub-area10,1 km²overlap3.32 km²0%
- Bassin de نهر النيلsub-area2 360,2 km²overlap0.24 km²0%
- Basin #37130sub-area977,8 km²overlap0.03 km²0%
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
0,1nW
Built-up
12,7%
Pesticides
0,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)