Ontologia

Commune · TCD

Yessie/Ngama

Chad

BShArid, steppe, hot(100 %)

Species observed

6

Observations

68

Area

2 770,2km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

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

Species present

6 distinct species · 68 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

68 obs · 7 cellules
Obs. / cellule
≥ 58
58–57
2–57
2–1
< 2

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

Climate

Mean T°

28,4°C

Annual rain

623mm

Warmest m°

40,9°C

Coldest m°

16,1°C

Elevation: 332 m on average (min 316 m, max 427 m)

Bioclimatic detailsExpert
Annual mean temp.
28,4°C
Annual rain
623mm
Warmest month
40,9°C
Coldest month
16,1°C
Mean alt.
332m
Min
316m
Max
427m
Std. dev.
10m
Köppen-Geiger (dominant)
BShArid, steppe, hot(100 %)Arid

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

6,9

Org. C

7,7g/kg

Clay

36,1%

Sand

33,2%

Silt

30,7%

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

Dominant lithology: mtGLiMaggregated to Dababa

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,9
Org. C
9,2g/kg
Clay
34,5%
Sand
34,0%
Silt
31,5%
5–15 cm
pH H₂O
6,9
Org. C
7,3g/kg
Clay
35,1%
Sand
34,0%
Silt
30,9%
15–30 cm
pH H₂O
7,0
Org. C
6,7g/kg
Clay
38,7%
Sand
31,6%
Silt
29,7%

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

Land cover

Forest6.8%
Crops29.3%
Built-up0.0%
Bare soil0.6%
Other (grassland, water…)63.3%

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

Hydrology20 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

64,3km

Basins crossed

20

Max stream order

6

Max drainage

35 719km²

Discharge in basins

208,1m³/s

Mean precip.

704mm/an

Mean T°

28,8°C

Moisture idx

-0,68

Mean runoff

69mm/an

Mean elev. (basins)

336m

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

4,4%

Pesticides

0,1kg/km²

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