Ontologia

Commune · CMR

Garoua 1

Cameroon

AwTropical, savannah(100 %)

Species observed

420

Observations

1 075

Area

113km²

Ecological tissue

Sample of 23 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 1 : 18 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 21 interactions GloBI sur 3 types (connectance 7.6%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
24
Interactions affichées
21
Connectance
0.076
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

420 distinct species · 1 075 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 075 obs · 3 cellules
Obs. / cellule
≥ 763
763–762
763–762
219–762
< 219

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

Climate

Mean T°

28,7°C

Annual rain

985mm

Warmest m°

39,6°C

Coldest m°

18,5°C

Elevation: 198 m on average (min 178 m, max 264 m)

Bioclimatic detailsExpert
Annual mean temp.
28,7°C
Annual rain
985mm
Warmest month
39,6°C
Coldest month
18,5°C
Mean alt.
198m
Min
178m
Max
264m
Std. dev.
21m
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

6,7

Org. C

13,2g/kg

Clay

31,3%

Sand

42,8%

Silt

25,9%

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
6,7
Org. C
22,0g/kg
Clay
31,3%
Sand
41,6%
Silt
27,2%
5–15 cm
pH H₂O
6,7
Org. C
11,2g/kg
Clay
30,6%
Sand
43,8%
Silt
25,6%
15–30 cm
pH H₂O
6,7
Org. C
6,6g/kg
Clay
32,0%
Sand
43,0%
Silt
25,0%

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

Land cover

Forest7.8%
Crops38.6%
Built-up1.0%
Bare soil1.6%
Other (grassland, water…)51.0%

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

Hydrology2 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

26,2km

Basins crossed

2

Max stream order

7

Max drainage

61 894km²

Discharge in basins

68,0m³/s

Mean precip.

986mm/an

Mean T°

27,8°C

Moisture idx

-0,50

Mean runoff

203mm/an

Mean elev. (basins)

230m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

2hab/km²

Night light

0,4nW

Built-up

97,7%

Pesticides

1,6kg/km²

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