Ontologia

Department · CMR

Nkam

Cameroon

AmTropical, monsoon(100 %)

Species observed

1 306

Observations

5 681

Area

6 144,5km²

Ecological tissue

Sample of 16 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 Nkam : 12 espèces reliées par 18 interactions GloBI sur 2 types (connectance 15.0%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
16
Interactions affichées
18
Connectance
0.150
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

1 306 distinct species · 5 681 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

5 681 obs · 130 cellules
Obs. / cellule
≥ 635
95–634
19–94
5–18
< 5

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

Climate

Mean T°

24,6°C

Annual rain

2 901mm

Warmest m°

31,4°C

Coldest m°

21,1°C

Elevation: 265 m on average (min 3 m, max 1 449 m)

Bioclimatic detailsExpert
Annual mean temp.
24,6°C
Annual rain
2 901mm
Warmest month
31,4°C
Coldest month
21,1°C
Mean alt.
265m
Min
3m
Max
1 449m
Std. dev.
234m
Köppen-Geiger (dominant)
AmTropical, monsoon(100 %)Tropical

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

5,0

Org. C

29,2g/kg

Clay

34,5%

Sand

46,6%

Silt

19,0%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,1
Org. C
39,5g/kg
Clay
32,5%
Sand
48,2%
Silt
19,2%
5–15 cm
pH H₂O
5,0
Org. C
28,8g/kg
Clay
33,9%
Sand
46,9%
Silt
19,2%
15–30 cm
pH H₂O
5,0
Org. C
19,1g/kg
Clay
36,9%
Sand
44,6%
Silt
18,4%

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

Land cover

Forest91.4%
Crops0.2%
Built-up0.1%
Bare soil0.0%
Other (grassland, water…)8.3%

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

Hydrology26 basins · 0 lakes · 17 rivers

Hydrology metrics for this exact territory

Stream length here

884,9km

Basins crossed

26

Max stream order

6

Max drainage

12 236km²

Discharge in basins

1 424,7m³/s

Mean precip.

2 749mm/an

Mean T°

25,4°C

Moisture idx

0,44

Mean runoff

1 581mm/an

Mean elev. (basins)

349m

Watersheds crossing here

17 more basins

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

5,7%

Pesticides

1,0kg/km²

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

Sub-administrations5