Ontologia

Commune · TCD

Oudoumian

Chad

AwTropical, savannah(100 %)

Species observed

21

Observations

21

Area

640,8km²

Ecological tissue

Not enough documented interactions to build a meaningful graph for this territory.

Species present

21 distinct species · 21 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

21 obs · 3 cellules
Obs. / cellule
≥ 18
18–17
18–17
2–17
< 2

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

27,1°C

Annual rain

1 167mm

Warmest m°

37,9°C

Coldest m°

19,1°C

Elevation: 472 m on average (min 435 m, max 509 m)

Bioclimatic detailsExpert
Annual mean temp.
27,1°C
Annual rain
1 167mm
Warmest month
37,9°C
Coldest month
19,1°C
Mean alt.
472m
Min
435m
Max
509m
Std. dev.
17m
Köppen-Geiger (dominant)
AwTropical, savannah(100 %)Tropical

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

11,6g/kg

Clay

16,4%

Sand

62,9%

Silt

20,7%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: ssGLiMaggregated to Monts de Lam

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
17,4g/kg
Clay
14,2%
Sand
64,9%
Silt
20,9%
5–15 cm
pH H₂O
6,2
Org. C
11,2g/kg
Clay
15,3%
Sand
63,7%
Silt
21,1%
15–30 cm
pH H₂O
6,2
Org. C
6,1g/kg
Clay
19,8%
Sand
60,0%
Silt
20,2%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest25.6%
Crops7.0%
Built-up0.1%
Bare soil0.0%
Other (grassland, water…)67.3%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology4 basins · 0 lakes · 14 rivers

Hydrology metrics for this exact territory

Stream length here

126,8km

Basins crossed

4

Max stream order

4

Max drainage

9 205km²

Discharge in basins

23,3m³/s

Mean precip.

1 197mm/an

Mean T°

26,4°C

Moisture idx

-0,39

Mean runoff

295mm/an

Mean elev. (basins)

493m

Watersheds crossing here

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

0hab/km²

Built-up

8,7%

Pesticides

0,2kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)