Ontologia

Local Authority · NGA

Okpe

Nigeria

AmTropical, monsoon(100 %)

Species observed

202

Observations

564

Area

435,9km²

Ecological tissue

Sample of 37 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 Okpe : 36 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 29 interactions GloBI sur 5 types (connectance 4.4%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
37
Interactions affichées
29
Connectance
0.043
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

202 distinct species · 564 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

564 obs · 9 cellules
Obs. / cellule
≥ 232
232–231
85–231
20–84
< 20

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

Climate

Mean T°

25,8°C

Annual rain

2 758mm

Warmest m°

32,6°C

Coldest m°

22,2°C

Elevation: 8 m on average (min 2 m, max 13 m)

Bioclimatic detailsExpert
Annual mean temp.
25,8°C
Annual rain
2 758mm
Warmest month
32,6°C
Coldest month
22,2°C
Mean alt.
8m
Min
2m
Max
13m
Std. dev.
2m
Köppen-Geiger (dominant)
AmTropical, monsoon(100 %)Tropical

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

Soil & lithology

pH H₂O

5,2

Org. C

28,3g/kg

Clay

23,3%

Sand

56,8%

Silt

19,9%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,3
Org. C
39,7g/kg
Clay
21,7%
Sand
58,1%
Silt
20,2%
5–15 cm
pH H₂O
5,2
Org. C
27,7g/kg
Clay
22,9%
Sand
57,1%
Silt
19,9%
15–30 cm
pH H₂O
5,2
Org. C
17,4g/kg
Clay
25,2%
Sand
55,3%
Silt
19,5%

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

Land cover

Forest42.2%
Crops4.3%
Built-up1.8%
Bare soil0.1%
Other (grassland, water…)51.6%

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

Hydrology5 basins · 0 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

57,0km

Basins crossed

5

Max stream order

5

Max drainage

3 079km²

Discharge in basins

39,2m³/s

Mean precip.

2 541mm/an

Mean T°

26,6°C

Moisture idx

0,38

Mean runoff

1 743mm/an

Mean elev. (basins)

18m

Watersheds crossing here

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

Human pressure

Pop. density

4hab/km²

Night light

0,4nW

Built-up

181,9%

Pesticides

37,2kg/km²

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