Ontologia

Commune · CMR

Méri

Cameroon

AwTropical, savannah(77 %)

Species observed

406

Observations

1 435

Area

591,8km²

Ecological tissue

Sample of 17 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 Méri : 16 espèces reliées par 13 interactions GloBI sur 2 types (connectance 9.6%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
17
Interactions affichées
13
Connectance
0.096
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

406 distinct species · 1 435 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 435 obs · 14 cellules
Obs. / cellule
≥ 421
249–420
103–248
77–102
< 77

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

Climate

Mean T°

26,8°C

Annual rain

933mm

Warmest m°

38,7°C

Coldest m°

16,3°C

Elevation: 503 m on average (min 368 m, max 821 m)

Bioclimatic detailsExpert
Annual mean temp.
26,8°C
Annual rain
933mm
Warmest month
38,7°C
Coldest month
16,3°C
Mean alt.
503m
Min
368m
Max
821m
Std. dev.
102m
Köppen-Geiger (dominant)
AwTropical, savannah(77 %)Tropical

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

Soil & lithology

pH H₂O

6,5

Org. C

9,7g/kg

Clay

20,0%

Sand

50,8%

Silt

29,1%

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

Dominant lithology: suGLiMaggregated to Diamaré

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,5
Org. C
13,4g/kg
Clay
17,5%
Sand
52,5%
Silt
30,0%
5–15 cm
pH H₂O
6,5
Org. C
9,4g/kg
Clay
19,3%
Sand
51,5%
Silt
29,2%
15–30 cm
pH H₂O
6,5
Org. C
6,5g/kg
Clay
23,2%
Sand
48,5%
Silt
28,3%

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

Land cover

Forest7.7%
Crops40.1%
Built-up0.5%
Bare soil1.6%
Other (grassland, water…)50.1%

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

Hydrology6 basins · 0 lakes · 8 rivers

Hydrology metrics for this exact territory

Stream length here

76,1km

Basins crossed

6

Max stream order

2

Max drainage

909km²

Discharge in basins

2,1m³/s

Mean precip.

771mm/an

Mean T°

27,7°C

Moisture idx

-0,63

Mean runoff

106mm/an

Mean elev. (basins)

411m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

52,6%

Pesticides

1,3kg/km²

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