Ontologia

Commune · CMR

Douala 6

Cameroon

AmTropical, monsoon(100 %)

Species observed

28

Observations

46

Area

249,7km²

Ecological tissue

Sample of 4 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 Douala 6 : 3 espèces reliées par 2 interactions GloBI sur 2 types (connectance 33.3%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
4
Interactions affichées
2
Connectance
0.333
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

28 distinct species · 46 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

46 obs · 6 cellules
Obs. / cellule
≥ 31
31–30
4–30
4–3
< 4

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 278mm

Warmest m°

29,4°C

Coldest m°

23,3°C

Elevation: 6 m on average (min -27 m, max 13 m)

Bioclimatic detailsExpert
Annual mean temp.
26,0°C
Annual rain
3 278mm
Warmest month
29,4°C
Coldest month
23,3°C
Mean alt.
6m
Min
-27m
Max
13m
Std. dev.
4m
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

5,2

Org. C

43,5g/kg

Clay

30,0%

Sand

44,7%

Silt

25,4%

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

Dominant lithology: ssGLiMaggregated to Sanaga Maritime

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,2
Org. C
52,6g/kg
Clay
29,1%
Sand
45,6%
Silt
25,4%
5–15 cm
pH H₂O
5,2
Org. C
43,9g/kg
Clay
30,5%
Sand
44,1%
Silt
25,4%
15–30 cm
pH H₂O
5,2
Org. C
34,0g/kg
Clay
30,4%
Sand
44,3%
Silt
25,3%

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

Land cover

Forest62.0%
Crops0.1%
Built-up0.1%
Bare soil0.0%
Other (grassland, water…)37.8%

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

Hydrology3 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

9,8km

Basins crossed

3

Max stream order

4

Max drainage

2 759km²

Discharge in basins

10,1m³/s

Mean precip.

3 113mm/an

Mean T°

26,1°C

Moisture idx

0,53

Mean runoff

1 862mm/an

Mean elev. (basins)

27m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Built-up

5,0%

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