Olla Hill
IUCN Not ReportedForest Reserve
24 km²
Local Authority · NGA
Ogo Oluwa
Nigeria
AwTropical, savannah(100 %)
Species observed
137
Observations
971
Area
471,9km²
Ecological tissue
Sample of 35 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 Ogo Oluwa : 31 espèces reliées par 33 interactions GloBI sur 3 types (connectance 5.2%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
36
Interactions affichées
33
Connectance
0.052
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
137 distinct species · 971 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
25,9°C
Annual rain
1 237mm
Warmest m°
34,7°C
Coldest m°
21,3°C
Elevation: 333 m on average (min 255 m, max 441 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
25,9°C
Annual rain
1 237mm
Warmest month
34,7°C
Coldest month
21,3°C
Mean alt.
333m
Min
255m
Max
441m
Std. dev.
35m
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
6,1
Org. C
18,0g/kg
Clay
14,6%
Sand
70,8%
Silt
14,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,1
Org. C
27,4g/kg
Clay
14,6%
Sand
69,7%
Silt
15,7%
5–15 cm
pH H₂O
6,1
Org. C
17,0g/kg
Clay
13,6%
Sand
72,0%
Silt
14,4%
15–30 cm
pH H₂O
6,0
Org. C
9,5g/kg
Clay
15,6%
Sand
70,8%
Silt
13,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest30.8%
Crops20.0%
Built-up0.7%
Bare soil0.1%
Other (grassland, water…)48.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
10,3km
Basins crossed
3
Max stream order
4
Max drainage
2 538km²
Discharge in basins
8,7m³/s
Mean precip.
1 231mm/an
Mean T°
26,1°C
Moisture idx
-0,28
Mean runoff
576mm/an
Mean elev. (basins)
318m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,0nW
Built-up
67,2%
Pesticides
40,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN