Ontologia

Commune · CMR

Efoulan

Cameroon

AmTropical, monsoon(100 %)

Species observed

434

Observations

1 099

Area

644,3km²

Ecological tissue

Sample of 2 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 Efoulan : 2 espèces reliées par 1 interaction GloBI sur 1 type (connectance 100.0%, filtre Serrano α=0.2).

Espèces affichées
2
Interactions affichées
1
Connectance
1.000
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

434 distinct species · 1 099 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 099 obs · 14 cellules
Obs. / cellule
≥ 806
112–805
15–111
10–14
< 10

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

Climate

Mean T°

22,9°C

Annual rain

2 418mm

Warmest m°

28,3°C

Coldest m°

19,7°C

Elevation: 569 m on average (min 222 m, max 776 m)

Bioclimatic detailsExpert
Annual mean temp.
22,9°C
Annual rain
2 418mm
Warmest month
28,3°C
Coldest month
19,7°C
Mean alt.
569m
Min
222m
Max
776m
Std. dev.
116m
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

4,4

Org. C

29,3g/kg

Clay

41,1%

Sand

44,7%

Silt

14,3%

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

Dominant lithology: mtGLiMaggregated to Mvila

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,5
Org. C
54,8g/kg
Clay
37,4%
Sand
48,0%
Silt
14,6%
5–15 cm
pH H₂O
4,4
Org. C
21,7g/kg
Clay
40,6%
Sand
45,2%
Silt
14,3%
15–30 cm
pH H₂O
4,4
Org. C
11,3g/kg
Clay
45,3%
Sand
40,8%
Silt
13,9%

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

Land cover

Forest95.8%
Crops0.2%
Built-up0.1%
Bare soil0.0%
Other (grassland, water…)4.0%

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

Hydrology5 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

42,9km

Basins crossed

5

Max stream order

3

Max drainage

2 115km²

Discharge in basins

37,7m³/s

Mean precip.

2 077mm/an

Mean T°

24,1°C

Moisture idx

0,29

Mean runoff

1 190mm/an

Mean elev. (basins)

546m

Watersheds crossing here

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

Human pressure

Pop. density

0hab/km²

Built-up

8,4%

Pesticides

0,9kg/km²

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