Ontologia

Commune · CMR

Menchum Valley

Cameroon

AmTropical, monsoon(100 %)

Species observed

188

Observations

283

Area

1 270,8km²

Ecological tissue

Sample of 8 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 Menchum Valley : 7 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 6 interactions GloBI sur 3 types (connectance 21.4%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
8
Interactions affichées
6
Connectance
0.214
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

188 distinct species · 283 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

283 obs · 15 cellules
Obs. / cellule
≥ 123
92–122
6–91
5–5
< 5

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

3 294mm

Warmest m°

32,2°C

Coldest m°

16,1°C

Elevation: 739 m on average (min 244 m, max 1 484 m)

Bioclimatic detailsExpert
Annual mean temp.
22,9°C
Annual rain
3 294mm
Warmest month
32,2°C
Coldest month
16,1°C
Mean alt.
739m
Min
244m
Max
1 484m
Std. dev.
245m
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

5,3

Org. C

43,0g/kg

Clay

31,5%

Sand

38,0%

Silt

30,4%

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

Dominant lithology: vbGLiMaggregated to Menchum

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,3
Org. C
50,9g/kg
Clay
30,9%
Sand
38,4%
Silt
30,7%
5–15 cm
pH H₂O
5,3
Org. C
46,5g/kg
Clay
31,0%
Sand
38,1%
Silt
30,9%
15–30 cm
pH H₂O
5,2
Org. C
31,7g/kg
Clay
32,7%
Sand
37,6%
Silt
29,6%

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

Land cover

Forest60.2%
Crops1.1%
Built-up0.2%
Bare soil0.1%
Other (grassland, water…)38.4%

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

Hydrology5 basins · 4 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

175,6km

Lake surface here

2,36km²

Basins crossed

5

Max stream order

5

Max drainage

3 322km²

Discharge in basins

102,0m³/s

Mean precip.

2 023mm/an

Mean T°

23,9°C

Moisture idx

0,18

Mean runoff

1 174mm/an

Mean elev. (basins)

759m

Watersheds crossing here

Lakes (4, top by area)

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

Human pressure

Pop. density

0hab/km²

Built-up

18,6%

Pesticides

3,9kg/km²

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

Protected areas1

IUCN IV · 1

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