Ontologia

Commune · CMR

Garoua Boulaî

Cameroon

AwTropical, savannah(100 %)

Species observed

111

Observations

176

Area

1 585,9km²

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 Garoua Boulaî : 12 espèces reliées par 8 interactions GloBI sur 4 types (connectance 10.3%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
13
Interactions affichées
8
Connectance
0.103
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

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

Species present

111 distinct species · 176 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

176 obs · 17 cellules
Obs. / cellule
≥ 39
25–38
10–24
8–9
< 8

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

Climate

Mean T°

23,2°C

Annual rain

1 723mm

Warmest m°

32,7°C

Coldest m°

18,4°C

Elevation: 933 m on average (min 822 m, max 1 022 m)

Bioclimatic detailsExpert
Annual mean temp.
23,2°C
Annual rain
1 723mm
Warmest month
32,7°C
Coldest month
18,4°C
Mean alt.
933m
Min
822m
Max
1 022m
Std. dev.
40m
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

5,5

Org. C

22,3g/kg

Clay

34,0%

Sand

41,2%

Silt

24,8%

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

Dominant lithology: mtGLiMaggregated to Lom et Djerem

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
29,2g/kg
Clay
30,8%
Sand
43,6%
Silt
25,5%
5–15 cm
pH H₂O
5,5
Org. C
23,6g/kg
Clay
32,6%
Sand
41,9%
Silt
25,5%
15–30 cm
pH H₂O
5,4
Org. C
14,1g/kg
Clay
38,5%
Sand
38,1%
Silt
23,4%

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

Land cover

Forest57.2%
Crops0.3%
Built-up0.2%
Bare soil0.0%
Other (grassland, water…)42.3%

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

Hydrology9 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

135,5km

Basins crossed

9

Max stream order

5

Max drainage

6 821km²

Discharge in basins

122,6m³/s

Mean precip.

1 507mm/an

Mean T°

22,9°C

Moisture idx

-0,09

Mean runoff

429mm/an

Mean elev. (basins)

928m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

22,3%

Pesticides

1,3kg/km²

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