Ontologia

Commune · CMR

Ndem Nam

Cameroon

AwTropical, savannah(100 %)

Species observed

144

Observations

550

Area

1 536,6km²

Ecological tissue

Sample of 12 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 Ndem Nam : 12 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 9 interactions GloBI sur 2 types (connectance 13.6%, filtre Serrano α=0.2).

Espèces affichées
12
Interactions affichées
9
Connectance
0.136
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

144 distinct species · 550 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

550 obs · 17 cellules
Obs. / cellule
≥ 334
82–333
14–81
7–13
< 7

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

Climate

Mean T°

23,7°C

Annual rain

1 551mm

Warmest m°

31,8°C

Coldest m°

19,5°C

Elevation: 655 m on average (min 595 m, max 780 m)

Bioclimatic detailsExpert
Annual mean temp.
23,7°C
Annual rain
1 551mm
Warmest month
31,8°C
Coldest month
19,5°C
Mean alt.
655m
Min
595m
Max
780m
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

5,3

Org. C

24,7g/kg

Clay

42,3%

Sand

44,5%

Silt

13,2%

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

Dominant lithology: mtGLiMaggregated to Kadey

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,3
Org. C
37,1g/kg
Clay
39,3%
Sand
46,9%
Silt
13,8%
5–15 cm
pH H₂O
5,3
Org. C
22,2g/kg
Clay
40,1%
Sand
46,2%
Silt
13,7%
15–30 cm
pH H₂O
5,2
Org. C
14,8g/kg
Clay
47,7%
Sand
40,3%
Silt
12,0%

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

Land cover

Forest89.2%
Crops0.1%
Built-up0.0%
Bare soil0.0%
Other (grassland, water…)10.7%

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

Hydrology6 basins · 1 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

107,8km

Lake surface here

0,23km²

Basins crossed

6

Max stream order

5

Max drainage

10 219km²

Discharge in basins

30,5m³/s

Mean precip.

1 553mm/an

Mean T°

23,5°C

Moisture idx

-0,04

Mean runoff

395mm/an

Mean elev. (basins)

673m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

0hab/km²

Built-up

2,8%

Pesticides

1,3kg/km²

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