Ontologia

Commune · CMR

Tombel

Cameroon

AmTropical, monsoon(95 %)

Species observed

2 366

Observations

14 898

Area

1 043,7km²

Ecological tissue

Sample of 6 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 Tombel : 6 espèces reliées par 3 interactions GloBI sur 2 types (connectance 20.0%, filtre Serrano α=0.2).

Espèces affichées
6
Interactions affichées
3
Connectance
0.200
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

2 366 distinct species · 14 898 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

14 898 obs · 32 cellules
Obs. / cellule
≥ 4 892
1 006–4 891
216–1 005
169–215
< 169

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

Climate

Mean T°

22,8°C

Annual rain

3 582mm

Warmest m°

29,7°C

Coldest m°

19,4°C

Elevation: 579 m on average (min 64 m, max 1 785 m)

Bioclimatic detailsExpert
Annual mean temp.
22,8°C
Annual rain
3 582mm
Warmest month
29,7°C
Coldest month
19,4°C
Mean alt.
579m
Min
64m
Max
1 785m
Std. dev.
352m
Köppen-Geiger (dominant)
AmTropical, monsoon(95 %)Tropical

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

4,9

Org. C

34,5g/kg

Clay

36,5%

Sand

42,2%

Silt

21,3%

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

Dominant lithology: mtGLiMaggregated to Koupé Manengouba

3 soil depths detailedExpert
0–5 cm
pH H₂O
4,9
Org. C
47,0g/kg
Clay
34,5%
Sand
44,0%
Silt
21,4%
5–15 cm
pH H₂O
4,9
Org. C
34,2g/kg
Clay
36,5%
Sand
42,0%
Silt
21,5%
15–30 cm
pH H₂O
4,9
Org. C
22,4g/kg
Clay
38,4%
Sand
40,5%
Silt
21,1%

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

Land cover

Forest88.4%
Crops0.7%
Built-up0.3%
Bare soil0.0%
Other (grassland, water…)10.6%

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

Hydrology7 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

81,6km

Basins crossed

7

Max stream order

5

Max drainage

2 916km²

Discharge in basins

163,0m³/s

Mean precip.

2 814mm/an

Mean T°

23,8°C

Moisture idx

0,46

Mean runoff

1 800mm/an

Mean elev. (basins)

559m

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

28,2%

Pesticides

1,1kg/km²

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

Protected areas1

IUCN II · 1

Bakossi

IUCN II

National Park · 2007

293 km²

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