Ontologia

Commune · CMR

Mandjou

Cameroon

AwTropical, savannah(100 %)

Species observed

153

Observations

447

Area

2 729,8km²

Ecological tissue

Sample of 9 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 Mandjou : 9 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 6 interactions GloBI sur 4 types (connectance 16.7%, filtre Serrano α=0.2).

Espèces affichées
9
Interactions affichées
6
Connectance
0.167
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

153 distinct species · 447 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

447 obs · 25 cellules
Obs. / cellule
≥ 190
48–189
12–47
4–11
< 4

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

Climate

Mean T°

23,8°C

Annual rain

1 638mm

Warmest m°

32,3°C

Coldest m°

19,4°C

Elevation: 710 m on average (min 612 m, max 850 m)

Bioclimatic detailsExpert
Annual mean temp.
23,8°C
Annual rain
1 638mm
Warmest month
32,3°C
Coldest month
19,4°C
Mean alt.
710m
Min
612m
Max
850m
Std. dev.
49m
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

5,5

Org. C

25,1g/kg

Clay

32,4%

Sand

51,7%

Silt

15,8%

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

Dominant lithology: mtGLiMaggregated to Lom et Djerem

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
35,1g/kg
Clay
29,3%
Sand
54,1%
Silt
16,6%
5–15 cm
pH H₂O
5,5
Org. C
24,9g/kg
Clay
30,1%
Sand
53,6%
Silt
16,4%
15–30 cm
pH H₂O
5,5
Org. C
15,4g/kg
Clay
37,9%
Sand
47,6%
Silt
14,6%

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

Land cover

Forest67.4%
Crops0.1%
Built-up0.0%
Bare soil0.0%
Other (grassland, water…)32.4%

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

Hydrology13 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

6,2km

Basins crossed

13

Max stream order

2

Max drainage

12 928km²

Discharge in basins

73,3m³/s

Mean precip.

1 540mm/an

Mean T°

23,7°C

Moisture idx

-0,06

Mean runoff

383mm/an

Mean elev. (basins)

706m

Watersheds crossing here

4 more basins

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

3,6%

Pesticides

1,5kg/km²

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