Ontologia

Commune · CMR

Biwong Bulu

Cameroon

AwTropical, savannah(84 %)

Species observed

90

Observations

176

Area

1 067,4km²

Ecological tissue

Sample of 13 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 Biwong Bulu : 11 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 10 interactions GloBI sur 2 types (connectance 12.8%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
13
Interactions affichées
10
Connectance
0.128
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

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

Species present

90 distinct species · 176 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

176 obs · 19 cellules
Obs. / cellule
≥ 36
31–35
9–30
6–8
< 6

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

Climate

Mean T°

23,1°C

Annual rain

1 774mm

Warmest m°

29,3°C

Coldest m°

19,6°C

Elevation: 656 m on average (min 589 m, max 768 m)

Bioclimatic detailsExpert
Annual mean temp.
23,1°C
Annual rain
1 774mm
Warmest month
29,3°C
Coldest month
19,6°C
Mean alt.
656m
Min
589m
Max
768m
Std. dev.
44m
Köppen-Geiger (dominant)
AwTropical, savannah(84 %)Tropical

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

Soil & lithology

pH H₂O

4,7

Org. C

27,5g/kg

Clay

48,3%

Sand

44,2%

Silt

7,5%

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

Dominant lithology: mtGLiMaggregated to Mvila

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,7
Org. C
56,0g/kg
Clay
44,4%
Sand
47,6%
Silt
8,0%
5–15 cm
pH H₂O
4,7
Org. C
17,8g/kg
Clay
47,0%
Sand
45,4%
Silt
7,6%
15–30 cm
pH H₂O
4,7
Org. C
8,8g/kg
Clay
53,5%
Sand
39,8%
Silt
6,8%

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

Land cover

Forest95.0%
Crops0.2%
Built-up0.1%
Bare soil0.0%
Other (grassland, water…)4.7%

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

Hydrology6 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

6

Max drainage

2 157km²

Discharge in basins

21,6m³/s

Mean precip.

1 728mm/an

Mean T°

23,6°C

Moisture idx

0,11

Mean runoff

663mm/an

Mean elev. (basins)

653m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Built-up

7,2%

Pesticides

1,0kg/km²

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