Commune · TCD
Bessao
Chad
Species observed
105
Observations
191
Area
1 161,6km²
Ecological tissue
Sample of 2 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 Bessao : 2 espèces reliées par 1 interaction GloBI sur 1 type (connectance 100.0%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
105 distinct species · 191 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,9°C
Annual rain
1 220mm
Warmest m°
37,8°C
Coldest m°
18,2°C
Elevation: 508 m on average (min 452 m, max 722 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
12,2g/kg
Clay
16,3%
Sand
62,8%
Silt
20,9%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Monts de Lam
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)
Hydrology7 basins · 0 lakes · 29 rivers
Hydrology metrics for this exact territory
Stream length here
180,0km
Basins crossed
7
Max stream order
4
Max drainage
28 814km²
Discharge in basins
40,4m³/s
Mean precip.
1 213mm/an
Mean T°
26,3°C
Moisture idx
-0,38
Mean runoff
305mm/an
Mean elev. (basins)
517m
Watersheds crossing here
- Bassin de Tembéousub-area2 462 km²overlap534.19 km²46%
- Bassin de Touasub-area342,1 km²overlap316.10 km²27%
- Bassin de Logonesub-area2 295,1 km²overlap188.60 km²16%
- Bassin de Ouarouassisub-area407 km²overlap56.53 km²5%
- Bassin de Nana Barya نهر ناناsub-area1 654,8 km²overlap46.35 km²4%
- Bassin de Pendésub-area261,3 km²overlap18.99 km²2%
- Bassin de Nana Barya نهر ناناsub-area21,8 km²overlap0.85 km²0%
Rivers / streams (29, ord ≥ 4)
- Rônord 1len here25.27 km100%total25 km
- Touaord 3len here20.71 km88%total24 km
- Haaïord 2len here18.78 km100%total19 km
- Libayeord 3len here10.40 km46%total23 km
- Mandaord 3len here10.38 km28%total37 km
- Djoumaord 3len here9.48 km81%total12 km
- Logoneord 6len here9.33 km1%total1222 km
- Samord 3len here7.58 km51%total15 km
- Kassoroord 2len here7.53 km60%total13 km
- Bouaord 2len here5.50 km100%total6 km
- Lâord 1len here5.46 km100%total5 km
- Ndalord 1len here4.96 km100%total5 km
17 more river segmentssorted by Strahler order + length
- Nana Barya نهر ناناord 6len here4.94 km3%total163 km
- Mbongoord 4len here4.83 km89%total5 km
- Piaord 2len here4.64 km100%total5 km
- Ouarouassiord 3len here4.62 km6%total74 km
- Zinguigoord 1len here3.98 km100%total4 km
- Kaïssoro Iord 1len here3.15 km93%total3 km
- Erékéord 4len here3.09 km2%total159 km
- Baïnbalord 1len here2.72 km99%total3 km
- Laneord 2len here2.49 km100%total3 km
- Boord 3len here1.87 km25%total8 km
- Bolemord 1len here1.80 km100%total2 km
- Mokassadoord 2len here1.62 km14%total11 km
- Momiaord 1len here1.54 km42%total4 km
- Kourouord 2len here1.54 km10%total15 km
- Bolonord 1len here1.15 km99%total1 km
- Goloord 3len here0.41 km6%total7 km
- Tembéouord 3len here0.24 km1%total43 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Built-up
17,7%
Pesticides
0,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)