Ontologia

Commune · TCD

Berem

Chad

AwTropical, savannah(100 %)

Species observed

29

Observations

43

Area

612,3km²

Ecological tissue

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

Species present

29 distinct species · 43 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

43 obs · 4 cellules
Obs. / cellule
≥ 21
21–20
15–20
15–14
< 15

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

Climate

Mean T°

27,2°C

Annual rain

982mm

Warmest m°

38,6°C

Coldest m°

16,6°C

Elevation: 409 m on average (min 355 m, max 486 m)

Bioclimatic detailsExpert
Annual mean temp.
27,2°C
Annual rain
982mm
Warmest month
38,6°C
Coldest month
16,6°C
Mean alt.
409m
Min
355m
Max
486m
Std. dev.
33m
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

6,3

Org. C

10,2g/kg

Clay

21,6%

Sand

57,7%

Silt

20,7%

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

Dominant lithology: ssGLiMaggregated to Kabbia

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
14,3g/kg
Clay
19,8%
Sand
59,2%
Silt
21,1%
5–15 cm
pH H₂O
6,3
Org. C
10,3g/kg
Clay
20,3%
Sand
58,7%
Silt
21,0%
15–30 cm
pH H₂O
6,3
Org. C
6,0g/kg
Clay
24,9%
Sand
55,1%
Silt
20,0%

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

Land cover

Forest11.2%
Crops33.5%
Built-up0.2%
Bare soil0.4%
Other (grassland, water…)54.7%

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

Hydrology5 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

11,6km

Basins crossed

5

Max stream order

2

Max drainage

9 753km²

Discharge in basins

21,8m³/s

Mean precip.

962mm/an

Mean T°

27,6°C

Moisture idx

-0,51

Mean runoff

326mm/an

Mean elev. (basins)

382m

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

Human pressure

Pop. density

1hab/km²

Built-up

21,8%

Pesticides

0,2kg/km²

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