Ontologia

Commune · CMR

Garoua 2

Cameroon

AwTropical, savannah(100 %)

Species observed

177

Observations

969

Area

56,7km²

Ecological tissue

Sample of 15 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 2 : 14 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 12 interactions GloBI sur 3 types (connectance 11.4%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
15
Interactions affichées
12
Connectance
0.114
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

177 distinct species · 969 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

969 obs · 2 cellules
Obs. / cellule
≥ 798
798–797
798–797
798–797
< 798

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

Climate

Mean T°

28,8°C

Annual rain

955mm

Warmest m°

39,7°C

Coldest m°

18,9°C

Elevation: 192 m on average (min 180 m, max 249 m)

Bioclimatic detailsExpert
Annual mean temp.
28,8°C
Annual rain
955mm
Warmest month
39,7°C
Coldest month
18,9°C
Mean alt.
192m
Min
180m
Max
249m
Std. dev.
17m
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

6,9

Org. C

12,2g/kg

Clay

29,7%

Sand

47,6%

Silt

22,7%

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

Dominant lithology: ssGLiMaggregated to Bénoué

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,9
Org. C
19,7g/kg
Clay
28,8%
Sand
47,5%
Silt
23,7%
5–15 cm
pH H₂O
6,9
Org. C
10,7g/kg
Clay
29,0%
Sand
48,5%
Silt
22,4%
15–30 cm
pH H₂O
6,9
Org. C
6,1g/kg
Clay
31,3%
Sand
46,7%
Silt
21,9%

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

Land cover

Forest6.9%
Crops37.5%
Built-up1.7%
Bare soil2.6%
Other (grassland, water…)51.2%

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

Hydrology3 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

10,2km

Basins crossed

3

Max stream order

7

Max drainage

61 894km²

Discharge in basins

35,6m³/s

Mean precip.

987mm/an

Mean T°

27,8°C

Moisture idx

-0,50

Mean runoff

204mm/an

Mean elev. (basins)

229m

Watersheds crossing here

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

Human pressure

Pop. density

5hab/km²

Night light

0,3nW

Built-up

171,2%

Pesticides

1,6kg/km²

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