Local Authority · NGA
Onna
Nigeria
Species observed
13
Observations
25
Area
150,9km²
Partial data for this territory
Few observations recorded here. Real biodiversity is likely richer.
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Species present
13 distinct species · 25 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,0°C
Annual rain
2 893mm
Warmest m°
30,3°C
Coldest m°
22,9°C
Elevation: 14 m on average (min 4 m, max 32 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
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
35,1g/kg
Clay
26,0%
Sand
54,3%
Silt
19,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology5 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
28,7km
Basins crossed
5
Max stream order
5
Max drainage
3 671km²
Discharge in basins
108,7m³/s
Mean precip.
3 132mm/an
Mean T°
26,6°C
Moisture idx
0,50
Mean runoff
1 689mm/an
Mean elev. (basins)
21m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
11hab/km²
Night light
0,3nW
Built-up
169,5%
Pesticides
37,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)