Ontologia

Department · CMR

Mefou et Afamba

Cameroon

AwTropical, savannah(100 %)

Species observed

1 595

Observations

7 661

Area

3 302,5km²

Ecological tissue

Sample of 39 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 Mefou et Afamba : 34 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 37 interactions GloBI sur 3 types (connectance 4.7%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
40
Interactions affichées
37
Connectance
0.047
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Species present

1 595 distinct species · 7 661 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

7 661 obs · 74 cellules
Obs. / cellule
≥ 2 499
132–2 498
30–131
10–29
< 10

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

Climate

Mean T°

23,5°C

Annual rain

1 551mm

Warmest m°

30,8°C

Coldest m°

20,0°C

Elevation: 658 m on average (min 502 m, max 917 m)

Bioclimatic detailsExpert
Annual mean temp.
23,5°C
Annual rain
1 551mm
Warmest month
30,8°C
Coldest month
20,0°C
Mean alt.
658m
Min
502m
Max
917m
Std. dev.
57m
Köppen-Geiger (dominant)
AwTropical, savannah(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

21,0g/kg

Clay

36,9%

Sand

52,5%

Silt

10,7%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,2
Org. C
35,2g/kg
Clay
33,9%
Sand
54,8%
Silt
11,3%
5–15 cm
pH H₂O
5,1
Org. C
18,8g/kg
Clay
35,8%
Sand
53,4%
Silt
10,8%
15–30 cm
pH H₂O
5,1
Org. C
9,0g/kg
Clay
40,9%
Sand
49,2%
Silt
9,8%

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

Land cover

Forest79.3%
Crops0.8%
Built-up0.7%
Bare soil0.1%
Other (grassland, water…)19.0%

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

Hydrology11 basins · 0 lakes · 18 rivers

Hydrology metrics for this exact territory

Stream length here

260,7km

Basins crossed

11

Max stream order

5

Max drainage

76 798km²

Discharge in basins

635,2m³/s

Mean precip.

1 602mm/an

Mean T°

24,1°C

Moisture idx

0,02

Mean runoff

458mm/an

Mean elev. (basins)

656m

Watersheds crossing here

2 more basins

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

Human pressure

Pop. density

1hab/km²

Night light

0,3nW

Built-up

66,9%

Pesticides

1,2kg/km²

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

Sub-administrations8