Ontologia

Region · cmr

Nord-Ouest

Cameroon

AmTropical, monsoon(45 %)

Species observed

2 979

Observations

25 312

Area

17 455,2km²

Ecological tissue

Sample of 31 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 Nord-Ouest : 26 espèces reliées par 31 interactions GloBI sur 3 types (connectance 6.7%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
31
Connectance
0.067
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

2 979 distinct species · 25 312 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

25 312 obs · 319 cellules
Obs. / cellule
≥ 1 295
187–1 294
24–186
7–23
< 7

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

Climate

Mean T°

21,1°C

Annual rain

3 097mm

Warmest m°

30,5°C

Coldest m°

14,7°C

Elevation: 1 119 m on average (min 188 m, max 2 818 m)

Bioclimatic detailsExpert
Annual mean temp.
21,1°C
Annual rain
3 097mm
Warmest month
30,5°C
Coldest month
14,7°C
Mean alt.
1 119m
Min
188m
Max
2 818m
Std. dev.
470m
Köppen-Geiger (dominant)
AmTropical, monsoon(45 %)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

42,5g/kg

Clay

34,3%

Sand

35,0%

Silt

30,6%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,3
Org. C
50,0g/kg
Clay
33,6%
Sand
35,3%
Silt
31,1%
5–15 cm
pH H₂O
5,3
Org. C
45,8g/kg
Clay
33,7%
Sand
35,3%
Silt
31,0%
15–30 cm
pH H₂O
5,3
Org. C
31,9g/kg
Clay
35,8%
Sand
34,5%
Silt
29,7%

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

Land cover

Forest41.4%
Crops8.7%
Built-up0.7%
Bare soil0.2%
Other (grassland, water…)48.9%

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

Hydrology40 basins · 14 lakes · 29 rivers

Hydrology metrics for this exact territory

Stream length here

1 278,4km

Lake surface here

72,53km²

Basins crossed

40

Max stream order

5

Max drainage

8 375km²

Discharge in basins

1 135,4m³/s

Mean precip.

1 942mm/an

Mean T°

22,5°C

Moisture idx

0,16

Mean runoff

949mm/an

Mean elev. (basins)

1 063m

Watersheds crossing here

31 more basins

Lakes (14, top by area)

5 more lakes

Rivers / streams (29, ord ≥ 4)

17 more river segments

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

72,6%

Pesticides

4,8kg/km²

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

Protected areas5

IUCN IV · 4IUCN II · 1📍 Point sites · 1

Kagwene

IUCN IV

Wildlife Sanctuary · 2008

19 km²

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

Sub-administrations7