Ontologia

Commune · TCD

Biramanda

Chad

AwTropical, savannah(100 %)

Species observed

0

Observations

0

Area

167,2km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Graphe en cours d’indexation

Calcul du tissu écologique de cette entité.

Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).

Species present

0 distinct species · 0 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

0 obs · 0 cellules

Aucune observation géoréférencée précise (<10 km) dans ce territoire.

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

26,7°C

Annual rain

1 092mm

Warmest m°

37,4°C

Coldest m°

17,4°C

Elevation: 472 m on average (min 387 m, max 548 m)

Bioclimatic detailsExpert
Annual mean temp.
26,7°C
Annual rain
1 092mm
Warmest month
37,4°C
Coldest month
17,4°C
Mean alt.
472m
Min
387m
Max
548m
Std. dev.
52m
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

10,0g/kg

Clay

23,4%

Sand

49,6%

Silt

27,0%

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

Dominant lithology: ssGLiMaggregated to Lac Wey

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
14,1g/kg
Clay
21,8%
Sand
50,5%
Silt
27,7%
5–15 cm
pH H₂O
6,3
Org. C
9,9g/kg
Clay
22,3%
Sand
50,5%
Silt
27,2%
15–30 cm
pH H₂O
6,3
Org. C
6,0g/kg
Clay
26,1%
Sand
47,8%
Silt
26,1%

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

Land cover

Forest6.5%
Crops41.3%
Built-up0.4%
Bare soil2.7%
Other (grassland, water…)49.2%

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

Hydrology4 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

19,9km

Basins crossed

4

Max stream order

2

Max drainage

58 634km²

Discharge in basins

10,5m³/s

Mean precip.

998mm/an

Mean T°

27,5°C

Moisture idx

-0,50

Mean runoff

508mm/an

Mean elev. (basins)

386m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

1hab/km²

Built-up

38,9%

Pesticides

0,2kg/km²

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