Ontologia

Commune · CMR

Ngaoundéré 3

Cameroon

AwTropical, savannah(100 %)

Species observed

394

Observations

1 134

Area

496,9km²

Ecological tissue

Sample of 29 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 Ngaoundéré 3 : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 28 interactions GloBI sur 4 types (connectance 6.9%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
28
Connectance
0.069
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

394 distinct species · 1 134 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 134 obs · 12 cellules
Obs. / cellule
≥ 681
119–680
69–118
32–68
< 32

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

Climate

Mean T°

21,8°C

Annual rain

1 707mm

Warmest m°

32,3°C

Coldest m°

14,8°C

Elevation: 1 128 m on average (min 1 032 m, max 1 403 m)

Bioclimatic detailsExpert
Annual mean temp.
21,8°C
Annual rain
1 707mm
Warmest month
32,3°C
Coldest month
14,8°C
Mean alt.
1 128m
Min
1 032m
Max
1 403m
Std. dev.
86m
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

5,9

Org. C

19,8g/kg

Clay

36,6%

Sand

36,7%

Silt

26,7%

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

Dominant lithology: vbGLiMaggregated to Vina

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
27,6g/kg
Clay
35,5%
Sand
37,2%
Silt
27,3%
5–15 cm
pH H₂O
5,9
Org. C
19,7g/kg
Clay
36,6%
Sand
36,7%
Silt
26,7%
15–30 cm
pH H₂O
5,9
Org. C
12,1g/kg
Clay
37,6%
Sand
36,1%
Silt
26,3%

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

Land cover

Forest17.6%
Crops16.8%
Built-up0.4%
Bare soil0.4%
Other (grassland, water…)64.9%

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

Hydrology4 basins · 2 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

94,7km

Lake surface here

1,26km²

Basins crossed

4

Max stream order

4

Max drainage

2 009km²

Discharge in basins

8,3m³/s

Mean precip.

1 511mm/an

Mean T°

22,1°C

Moisture idx

-0,13

Mean runoff

465mm/an

Mean elev. (basins)

1 113m

Watersheds crossing here

Lakes (2, top by area)

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

37,2%

Pesticides

1,8kg/km²

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