Commune · TCD
Ba-Illi
Chad
Species observed
174
Observations
476
Area
3 569km²
Ecological tissue
Sample of 3 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 Ba-Illi : 2 espèces reliées par 3 interactions GloBI sur 2 types (connectance 50.0%, filtre Serrano α=0.2). 2 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
174 distinct species · 476 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
28,4°C
Annual rain
831mm
Warmest m°
40,2°C
Coldest m°
18,3°C
Elevation: 333 m on average (min 317 m, max 342 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
6,2
Org. C
8,6g/kg
Clay
31,2%
Sand
36,8%
Silt
32,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Loug Chari
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)
Hydrology23 basins · 2 lakes · 8 rivers
Hydrology metrics for this exact territory
Stream length here
253,2km
Lake surface here
0,36km²
Basins crossed
23
Max stream order
8
Max drainage
496 666km²
Discharge in basins
1 547,0m³/s
Mean precip.
874mm/an
Mean T°
28,1°C
Moisture idx
-0,58
Mean runoff
183mm/an
Mean elev. (basins)
335m
Watersheds crossing here
- Basin #96770sub-area1 499,8 km²overlap594.36 km²17%
- Bassin de Ba-Illisub-area624,1 km²overlap407.45 km²11%
- Bassin de Ba Illisub-area413,7 km²overlap381.73 km²11%
- Bassin de Ba Illisub-area413,1 km²overlap365.55 km²10%
- Bassin de Chari شاريsub-area1 112,9 km²overlap318.26 km²9%
- Bassin de Chari شاريsub-area579,6 km²overlap297.54 km²8%
- Bassin de Mousésub-area236,6 km²overlap234.58 km²7%
- Bassin de Chari شاريsub-area303,6 km²overlap170.65 km²5%
- Bassin de Charisub-area706,8 km²overlap144.01 km²4%
14 more basinssorted by overlap
- Bassin de Ba Illisub-area418,5 km²overlap132.21 km²4%
- Bassin de Ba-Illisub-area649,5 km²overlap105.99 km²3%
- Bassin de Chari شاريsub-area192,5 km²overlap86.16 km²2%
- Bassin de Naramaysub-area1 009,8 km²overlap81.89 km²2%
- Bassin de Bangoumsub-area924,9 km²overlap79.24 km²2%
- Bassin de Ba Illisub-area64,6 km²overlap64.38 km²2%
- Bassin de Ba-Illisub-area1 634,2 km²overlap29.78 km²1%
- Bassin de Karmasub-area164,3 km²overlap27.61 km²1%
- Bassin de Ba-Illisub-area772,3 km²overlap20.15 km²1%
- Bassin de Ba Illisub-area53,6 km²overlap16.11 km²0%
- Bassin de Karmasub-area148,3 km²overlap7.34 km²0%
- Bassin de Karmasub-area1 128,2 km²overlap2.43 km²0%
- Bassin de Chari شاريsub-area20,4 km²overlap1.48 km²0%
- Bassin de Klimdisub-area858,7 km²overlap0.15 km²0%
Lakes (2, top by area)
Rivers / streams (8, ord ≥ 4)
- Ba Illiord 6len here111.87 km19%total592 km
- Chari شاريord 8len here39.54 km4%total1083 km
- Ba-Illiord 5len here36.92 km9%total415 km
- Mouséord 6len here28.25 km100%total28 km
- Chariord 8len here16.99 km3%total585 km
- Bangoumord 4len here9.99 km6%total175 km
- Karmaord 5len here5.74 km3%total169 km
- Naramayord 4len here3.93 km20%total19 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,4nW
Built-up
8,9%
Pesticides
0,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)