Ontologia

Commune · CMR

Ngaoundal

Cameroon

AwTropical, savannah(100 %)

Species observed

756

Observations

1 813

Area

3 905,6km²

Ecological tissue

Sample of 25 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 Ngaoundal : 22 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 20 interactions GloBI sur 4 types (connectance 6.2%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
26
Interactions affichées
20
Connectance
0.061
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

756 distinct species · 1 813 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 813 obs · 36 cellules
Obs. / cellule
≥ 1 151
62–1 150
10–61
2–9
< 2

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

Climate

Mean T°

23,6°C

Annual rain

1 935mm

Warmest m°

33,6°C

Coldest m°

18,5°C

Elevation: 897 m on average (min 746 m, max 1 323 m)

Bioclimatic detailsExpert
Annual mean temp.
23,6°C
Annual rain
1 935mm
Warmest month
33,6°C
Coldest month
18,5°C
Mean alt.
897m
Min
746m
Max
1 323m
Std. dev.
84m
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

21,8g/kg

Clay

37,5%

Sand

38,3%

Silt

24,2%

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

Dominant lithology: ssGLiMaggregated to Djerem

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
28,4g/kg
Clay
36,7%
Sand
39,0%
Silt
24,3%
5–15 cm
pH H₂O
5,5
Org. C
22,9g/kg
Clay
36,5%
Sand
39,0%
Silt
24,5%
15–30 cm
pH H₂O
5,4
Org. C
14,2g/kg
Clay
39,3%
Sand
37,0%
Silt
23,7%

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

Land cover

Forest53.1%
Crops0.4%
Built-up0.1%
Bare soil0.0%
Other (grassland, water…)46.4%

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

Hydrology14 basins · 1 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

208,8km

Lake surface here

17,60km²

Basins crossed

14

Max stream order

6

Max drainage

24 100km²

Discharge in basins

377,2m³/s

Mean precip.

1 595mm/an

Mean T°

23,3°C

Moisture idx

-0,06

Mean runoff

455mm/an

Mean elev. (basins)

877m

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

6,8%

Pesticides

1,5kg/km²

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

Protected areas1

IUCN II · 1

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN