Ontologia

Commune · CMR

Tcholliré

Cameroon

AwTropical, savannah(100 %)

Species observed

1 302

Observations

12 578

Area

16 218,4km²

Ecological tissue

Sample of 31 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 Tcholliré : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 28 interactions GloBI sur 3 types (connectance 6.0%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
28
Connectance
0.060
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

1 302 distinct species · 12 578 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

12 578 obs · 148 cellules
Obs. / cellule
≥ 815
71–814
13–70
5–12
< 5

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

Climate

Mean T°

25,6°C

Annual rain

1 421mm

Warmest m°

36,1°C

Coldest m°

17,8°C

Elevation: 647 m on average (min 218 m, max 1 655 m)

Bioclimatic detailsExpert
Annual mean temp.
25,6°C
Annual rain
1 421mm
Warmest month
36,1°C
Coldest month
17,8°C
Mean alt.
647m
Min
218m
Max
1 655m
Std. dev.
332m
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

6,0

Org. C

17,1g/kg

Clay

25,4%

Sand

48,8%

Silt

25,8%

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

Dominant lithology: ssGLiMaggregated to Mayo Rey

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
25,4g/kg
Clay
24,9%
Sand
48,4%
Silt
26,7%
5–15 cm
pH H₂O
6,0
Org. C
16,3g/kg
Clay
24,8%
Sand
49,5%
Silt
25,7%
15–30 cm
pH H₂O
6,0
Org. C
9,7g/kg
Clay
26,5%
Sand
48,4%
Silt
25,1%

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

Land cover

Forest28.0%
Crops4.5%
Built-up0.0%
Bare soil0.1%
Other (grassland, water…)67.4%

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

Hydrology46 basins · 0 lakes · 16 rivers

Hydrology metrics for this exact territory

Stream length here

614,5km

Basins crossed

46

Max stream order

5

Max drainage

14 011km²

Discharge in basins

603,0m³/s

Mean precip.

1 340mm/an

Mean T°

24,9°C

Moisture idx

-0,27

Mean runoff

333mm/an

Mean elev. (basins)

644m

Watersheds crossing here

37 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

3,4%

Pesticides

1,7kg/km²

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

Protected areas4

IUCN II · 3IUCN Not Applicable · 1

Bénoué

IUCN II

National Park · 1968

1 980 km²

Benoué

IUCN Not Applicable

UNESCO-MAB Biosphere Reserve · 1981

1 666 km²

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