Ontologia

Local Authority · NGA

Efon

Nigeria

AwTropical, savannah(100 %)

Species observed

103

Observations

213

Area

177,7km²

Ecological tissue

Sample of 22 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 Efon : 19 espèces reliées par 18 interactions GloBI sur 4 types (connectance 7.8%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
22
Interactions affichées
18
Connectance
0.078
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

103 distinct species · 213 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

213 obs · 4 cellules
Obs. / cellule
≥ 91
91–90
69–90
69–68
< 69

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

Climate

Mean T°

24,5°C

Annual rain

1 678mm

Warmest m°

33,6°C

Coldest m°

20,2°C

Elevation: 491 m on average (min 372 m, max 654 m)

Bioclimatic detailsExpert
Annual mean temp.
24,5°C
Annual rain
1 678mm
Warmest month
33,6°C
Coldest month
20,2°C
Mean alt.
491m
Min
372m
Max
654m
Std. dev.
66m
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

5,6

Org. C

26,6g/kg

Clay

21,7%

Sand

62,3%

Silt

16,0%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
37,0g/kg
Clay
20,9%
Sand
62,8%
Silt
16,3%
5–15 cm
pH H₂O
5,7
Org. C
29,1g/kg
Clay
21,6%
Sand
62,5%
Silt
15,9%
15–30 cm
pH H₂O
5,6
Org. C
13,6g/kg
Clay
22,7%
Sand
61,6%
Silt
15,7%

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

Land cover

Forest47.7%
Crops1.2%
Built-up0.9%
Bare soil0.0%
Other (grassland, water…)50.2%

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

Hydrology4 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

4

Max drainage

1 643km²

Discharge in basins

4,1m³/s

Mean precip.

1 358mm/an

Mean T°

25,1°C

Moisture idx

-0,17

Mean runoff

687mm/an

Mean elev. (basins)

436m

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

Human pressure

Pop. density

6hab/km²

Night light

0,0nW

Built-up

90,6%

Pesticides

39,3kg/km²

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