Ontologia

Commune · TCD

Bessada

Chad

AwTropical, savannah(100 %)

Species observed

43

Observations

69

Area

1 345,2km²

Ecological tissue

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

Species present

43 distinct species · 69 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

69 obs · 8 cellules
Obs. / cellule
≥ 15
15–14
14–14
10–13
< 10

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

Climate

Mean T°

26,8°C

Annual rain

1 119mm

Warmest m°

37,4°C

Coldest m°

18,7°C

Elevation: 492 m on average (min 364 m, max 676 m)

Bioclimatic detailsExpert
Annual mean temp.
26,8°C
Annual rain
1 119mm
Warmest month
37,4°C
Coldest month
18,7°C
Mean alt.
492m
Min
364m
Max
676m
Std. dev.
79m
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

13,9g/kg

Clay

24,6%

Sand

51,6%

Silt

23,8%

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

Dominant lithology: suGLiMaggregated to Mandoul Oriental

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
19,5g/kg
Clay
22,1%
Sand
53,6%
Silt
24,3%
5–15 cm
pH H₂O
6,3
Org. C
14,8g/kg
Clay
22,5%
Sand
53,1%
Silt
24,4%
15–30 cm
pH H₂O
6,2
Org. C
7,3g/kg
Clay
29,1%
Sand
48,0%
Silt
22,9%

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

Land cover

Forest27.4%
Crops12.3%
Built-up0.1%
Bare soil0.1%
Other (grassland, water…)60.2%

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

Hydrology7 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

30,6km

Basins crossed

7

Max stream order

5

Max drainage

322 360km²

Discharge in basins

124,8m³/s

Mean precip.

997mm/an

Mean T°

27,2°C

Moisture idx

-0,51

Mean runoff

148mm/an

Mean elev. (basins)

421m

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

0hab/km²

Built-up

4,8%

Pesticides

0,2kg/km²

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