Ontologia

Local Authority · NGA

Okene

Nigeria

AwTropical, savannah(100 %)

Species observed

103

Observations

189

Area

289,1km²

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 Okene : 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

103 distinct species · 189 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

189 obs · 5 cellules
Obs. / cellule
≥ 79
79–78
51–78
28–50
< 28

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

Climate

Mean T°

26,6°C

Annual rain

1 301mm

Warmest m°

35,1°C

Coldest m°

21,8°C

Elevation: 259 m on average (min 132 m, max 513 m)

Bioclimatic detailsExpert
Annual mean temp.
26,6°C
Annual rain
1 301mm
Warmest month
35,1°C
Coldest month
21,8°C
Mean alt.
259m
Min
132m
Max
513m
Std. dev.
107m
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

5,9

Org. C

16,0g/kg

Clay

15,0%

Sand

72,3%

Silt

12,7%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,9
Org. C
22,1g/kg
Clay
15,7%
Sand
71,4%
Silt
12,9%
5–15 cm
pH H₂O
5,9
Org. C
14,8g/kg
Clay
14,0%
Sand
73,2%
Silt
12,8%
15–30 cm
pH H₂O
5,8
Org. C
11,2g/kg
Clay
15,4%
Sand
72,3%
Silt
12,4%

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

Land cover

Forest32.2%
Crops21.6%
Built-up0.1%
Bare soil0.0%
Other (grassland, water…)46.0%

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

Hydrology3 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

38,7km

Basins crossed

3

Max stream order

4

Max drainage

2 422km²

Discharge in basins

5,9m³/s

Mean precip.

1 274mm/an

Mean T°

25,8°C

Moisture idx

-0,24

Mean runoff

634mm/an

Mean elev. (basins)

261m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

13hab/km²

Night light

0,1nW

Built-up

13,1%

Pesticides

44,9kg/km²

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