Ontologia

Commune · CMR

Poli

Cameroon

AwTropical, savannah(99 %)

Species observed

1 190

Observations

3 802

Area

9 237,7km²

Ecological tissue

Sample of 30 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 Poli : 27 espèces reliées par 32 interactions GloBI sur 3 types (connectance 6.5%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
32
Connectance
0.065
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

1 190 distinct species · 3 802 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 802 obs · 88 cellules
Obs. / cellule
≥ 1 929
66–1 928
14–65
5–13
< 5

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

Climate

Mean T°

26,4°C

Annual rain

1 547mm

Warmest m°

37,0°C

Coldest m°

18,2°C

Elevation: 520 m on average (min 236 m, max 1 845 m)

Bioclimatic detailsExpert
Annual mean temp.
26,4°C
Annual rain
1 547mm
Warmest month
37,0°C
Coldest month
18,2°C
Mean alt.
520m
Min
236m
Max
1 845m
Std. dev.
254m
Köppen-Geiger (dominant)
AwTropical, savannah(99 %)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

17,6g/kg

Clay

26,0%

Sand

48,4%

Silt

25,6%

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

Dominant lithology: ssGLiMaggregated to Faro

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
25,5g/kg
Clay
25,9%
Sand
47,4%
Silt
26,7%
5–15 cm
pH H₂O
6,0
Org. C
16,6g/kg
Clay
25,6%
Sand
49,0%
Silt
25,4%
15–30 cm
pH H₂O
6,0
Org. C
10,7g/kg
Clay
26,5%
Sand
48,8%
Silt
24,7%

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

Land cover

Forest26.7%
Crops4.0%
Built-up0.0%
Bare soil0.1%
Other (grassland, water…)69.2%

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

Hydrology21 basins · 0 lakes · 31 rivers

Hydrology metrics for this exact territory

Stream length here

1 177,1km

Basins crossed

21

Max stream order

5

Max drainage

25 597km²

Discharge in basins

1 023,5m³/s

Mean precip.

1 386mm/an

Mean T°

25,3°C

Moisture idx

-0,26

Mean runoff

338mm/an

Mean elev. (basins)

520m

Watersheds crossing here

12 more basins

Rivers / streams (31, ord ≥ 4)

19 more river segments

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

Human pressure

Pop. density

0hab/km²

Night light

0,0nW

Built-up

2,2%

Pesticides

1,7kg/km²

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

Protected areas1

IUCN II · 1

Faro

IUCN II

National Park · 1980

3 497 km²

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