Ontologia

Prefecture · caf

Ouham

Central African Republic

AwTropical, savannah(100 %)

Species observed

408

Observations

971

Area

52 965km²

Ecological tissue

Sample of 22 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 Ouham : 18 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 22 interactions GloBI sur 3 types (connectance 9.5%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
22
Interactions affichées
22
Connectance
0.095
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

408 distinct species · 971 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

971 obs · 28 cellules
Obs. / cellule
≥ 311
121–310
23–120
16–22
< 16

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

Climate

Mean T°

26,5°C

Annual rain

1 376mm

Warmest m°

36,3°C

Coldest m°

20,4°C

Elevation: 495 m on average (min 374 m, max 731 m)

Bioclimatic detailsExpert
Annual mean temp.
26,5°C
Annual rain
1 376mm
Warmest month
36,3°C
Coldest month
20,4°C
Mean alt.
495m
Min
374m
Max
731m
Std. dev.
72m
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

6,0

Org. C

19,2g/kg

Clay

27,1%

Sand

49,8%

Silt

23,1%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
26,3g/kg
Clay
25,1%
Sand
51,1%
Silt
23,8%
5–15 cm
pH H₂O
6,0
Org. C
20,9g/kg
Clay
26,4%
Sand
50,3%
Silt
23,3%
15–30 cm
pH H₂O
5,9
Org. C
10,4g/kg
Clay
29,8%
Sand
48,0%
Silt
22,2%

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

Land cover

Forest50.6%
Crops1.6%
Built-up0.0%
Bare soil0.0%
Other (grassland, water…)47.8%

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

Hydrology90 basins · 4 lakes · 23 rivers

Hydrology metrics for this exact territory

Stream length here

2 267,1km

Lake surface here

0,56km²

Basins crossed

90

Max stream order

6

Max drainage

69 990km²

Discharge in basins

4 056,4m³/s

Mean precip.

1 328mm/an

Mean T°

25,6°C

Moisture idx

-0,35

Mean runoff

213mm/an

Mean elev. (basins)

498m

Watersheds crossing here

81 more basins

Lakes (4, top by area)

Rivers / streams (23, ord ≥ 4)

11 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

2,8%

Pesticides

0,1kg/km²

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

Protected areas3

IUCN IV · 2IUCN II · 1

Nana-Barya

IUCN IV

Faunal Reserve · 1953

2 314 km²

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

Sub-administrations5