Ontologia

Commune · CMR

Bertoua 2

Cameroon

AwTropical, savannah(100 %)

Species observed

112

Observations

496

Area

254,8km²

Ecological tissue

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

Species present

112 distinct species · 496 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

496 obs · 6 cellules
Obs. / cellule
≥ 352
352–351
106–351
26–105
< 26

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

Climate

Mean T°

24,0°C

Annual rain

1 562mm

Warmest m°

32,0°C

Coldest m°

19,6°C

Elevation: 677 m on average (min 642 m, max 744 m)

Bioclimatic detailsExpert
Annual mean temp.
24,0°C
Annual rain
1 562mm
Warmest month
32,0°C
Coldest month
19,6°C
Mean alt.
677m
Min
642m
Max
744m
Std. dev.
23m
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

5,5

Org. C

23,5g/kg

Clay

37,2%

Sand

48,3%

Silt

14,5%

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

Dominant lithology: mtGLiMaggregated to Lom et Djerem

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
33,9g/kg
Clay
33,5%
Sand
51,2%
Silt
15,3%
5–15 cm
pH H₂O
5,5
Org. C
23,1g/kg
Clay
34,2%
Sand
50,5%
Silt
15,2%
15–30 cm
pH H₂O
5,5
Org. C
13,4g/kg
Clay
43,7%
Sand
43,3%
Silt
13,0%

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

Land cover

Forest60.9%
Crops2.1%
Built-up0.4%
Bare soil0.1%
Other (grassland, water…)36.5%

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

Hydrology4 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

4

Max drainage

5 625km²

Discharge in basins

5,3m³/s

Mean precip.

1 551mm/an

Mean T°

23,6°C

Moisture idx

-0,05

Mean runoff

386mm/an

Mean elev. (basins)

671m

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

44,0%

Pesticides

1,1kg/km²

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