Ontologia

Sub-prefecture · CAF

Birao

Central African Republic

AwTropical, savannah(70 %)

Species observed

314

Observations

686

Area

40 134,9km²

Ecological tissue

Sample of 29 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.

ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Birao : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 22 interactions GloBI sur 2 types (connectance 5.4%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
22
Connectance
0.054
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

314 distinct species · 686 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

686 obs · 94 cellules
Obs. / cellule
≥ 97
16–96
4–15
2–3
< 2

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

898mm

Warmest m°

38,0°C

Coldest m°

18,6°C

Elevation: 511 m on average (min 400 m, max 1 276 m)

Bioclimatic detailsExpert
Annual mean temp.
26,8°C
Annual rain
898mm
Warmest month
38,0°C
Coldest month
18,6°C
Mean alt.
511m
Min
400m
Max
1 276m
Std. dev.
94m
Köppen-Geiger (dominant)
AwTropical, savannah(70 %)Tropical

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

Soil & lithology

pH H₂O

6,1

Org. C

10,7g/kg

Clay

25,5%

Sand

49,3%

Silt

25,2%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
15,1g/kg
Clay
23,9%
Sand
50,5%
Silt
25,6%
5–15 cm
pH H₂O
6,1
Org. C
10,6g/kg
Clay
25,0%
Sand
49,6%
Silt
25,4%
15–30 cm
pH H₂O
6,0
Org. C
6,3g/kg
Clay
27,6%
Sand
47,8%
Silt
24,7%

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

Land cover

Forest23.1%
Crops1.8%
Built-up0.0%
Bare soil0.1%
Other (grassland, water…)75.0%

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

Hydrology73 basins · 8 lakes · 17 rivers

Hydrology metrics for this exact territory

Stream length here

1 300,2km

Lake surface here

1,70km²

Basins crossed

73

Max stream order

6

Max drainage

75 846km²

Discharge in basins

534,3m³/s

Mean precip.

862mm/an

Mean T°

26,3°C

Moisture idx

-0,60

Mean runoff

52mm/an

Mean elev. (basins)

514m

Watersheds crossing here

64 more basins

Lakes (8, top by area)

Rivers / streams (17, ord ≥ 4)

5 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

0,9%

Pesticides

0,0kg/km²

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

Protected areas6

IUCN IV · 3IUCN Not Reported · 1IUCN Not Applicable · 1IUCN II · 1

Aouk

IUCN Not Reported

Hunting reserve · 1963

28 560 km²

Yata-Ngaya

IUCN IV

Faunal Reserve · 1940

5 405 km²

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN