Ontologia

Commune · CMR

Okola

Cameroon

AwTropical, savannah(100 %)

Species observed

712

Observations

2 391

Area

636,5km²

Ecological tissue

Sample of 18 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 Okola : 15 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 14 interactions GloBI sur 3 types (connectance 9.2%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
18
Interactions affichées
14
Connectance
0.091
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

712 distinct species · 2 391 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 391 obs · 16 cellules
Obs. / cellule
≥ 1 325
538–1 324
79–537
38–78
< 38

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

Climate

Mean T°

23,3°C

Annual rain

1 595mm

Warmest m°

30,0°C

Coldest m°

19,7°C

Elevation: 655 m on average (min 465 m, max 1 085 m)

Bioclimatic detailsExpert
Annual mean temp.
23,3°C
Annual rain
1 595mm
Warmest month
30,0°C
Coldest month
19,7°C
Mean alt.
655m
Min
465m
Max
1 085m
Std. dev.
112m
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

5,3

Org. C

24,7g/kg

Clay

32,3%

Sand

54,0%

Silt

13,8%

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

Dominant lithology: mtGLiMaggregated to Lekié

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,3
Org. C
41,0g/kg
Clay
29,2%
Sand
56,7%
Silt
14,2%
5–15 cm
pH H₂O
5,3
Org. C
22,9g/kg
Clay
30,9%
Sand
54,9%
Silt
14,2%
15–30 cm
pH H₂O
5,2
Org. C
10,1g/kg
Clay
36,7%
Sand
50,4%
Silt
12,9%

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

Land cover

Forest76.8%
Crops0.8%
Built-up0.8%
Bare soil0.1%
Other (grassland, water…)21.7%

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

Hydrology5 basins · 1 lakes · 24 rivers

Hydrology metrics for this exact territory

Stream length here

158,7km

Lake surface here

0,67km²

Basins crossed

5

Max stream order

3

Max drainage

127 766km²

Discharge in basins

766,7m³/s

Mean precip.

1 748mm/an

Mean T°

24,4°C

Moisture idx

0,11

Mean runoff

551mm/an

Mean elev. (basins)

584m

Watersheds crossing here

Lakes (1, top by area)

Rivers / streams (24, ord ≥ 4)

12 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,1nW

Built-up

75,2%

Pesticides

1,0kg/km²

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