Ontologia

Department · CMR

Wouri

Cameroon

AmTropical, monsoon(100 %)

Species observed

1 266

Observations

10 442

Area

865,3km²

Ecological tissue

Sample of 37 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 Wouri : 31 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 32 interactions GloBI sur 3 types (connectance 4.8%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
32
Connectance
0.048
Patrimoniales
3
Plus dense que (national)0 %(top 100%)

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

Species present

1 266 distinct species · 10 442 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

10 442 obs · 25 cellules
Obs. / cellule
≥ 2 534
1 964–2 533
124–1 963
75–123
< 75

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

Climate

Mean T°

26,0°C

Annual rain

3 159mm

Warmest m°

30,1°C

Coldest m°

23,0°C

Elevation: 12 m on average (min -6 m, max 54 m)

Bioclimatic detailsExpert
Annual mean temp.
26,0°C
Annual rain
3 159mm
Warmest month
30,1°C
Coldest month
23,0°C
Mean alt.
12m
Min
-6m
Max
54m
Std. dev.
12m
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

5,1

Org. C

41,8g/kg

Clay

33,7%

Sand

39,2%

Silt

27,1%

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
50,8g/kg
Clay
31,3%
Sand
41,0%
Silt
27,7%
5–15 cm
pH H₂O
5,1
Org. C
42,7g/kg
Clay
32,4%
Sand
40,0%
Silt
27,6%
15–30 cm
pH H₂O
5,1
Org. C
31,8g/kg
Clay
37,5%
Sand
36,6%
Silt
26,0%

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

Land cover

Forest41.5%
Crops4.9%
Built-up7.9%
Bare soil0.3%
Other (grassland, water…)45.4%

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

Hydrology7 basins · 0 lakes · 13 rivers

Hydrology metrics for this exact territory

Stream length here

84,9km

Basins crossed

7

Max stream order

6

Max drainage

12 236km²

Discharge in basins

223,5m³/s

Mean precip.

3 331mm/an

Mean T°

26,2°C

Moisture idx

0,56

Mean runoff

1 930mm/an

Mean elev. (basins)

34m

Watersheds crossing here

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

Human pressure

Pop. density

37hab/km²

Night light

3,7nW

Built-up

791,9%

Pesticides

1,3kg/km²

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

Protected areas1

IUCN II · 1🌊 Marine · 1

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

Sub-administrations5