Orle River
IUCN Not ReportedForest Reserve
452 km²
Local Authority · NGA
Etsako East
Nigeria
AwTropical, savannah(100 %)
Species observed
229
Observations
1 097
Area
1 227,7km²
Ecological tissue
Sample of 30 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 Etsako East : 27 espèces reliées par 28 interactions GloBI sur 3 types (connectance 6.4%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
30
Interactions affichées
28
Connectance
0.064
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
229 distinct species · 1 097 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,8°C
Annual rain
1 454mm
Warmest m°
35,5°C
Coldest m°
22,2°C
Elevation: 190 m on average (min 28 m, max 490 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,8°C
Annual rain
1 454mm
Warmest month
35,5°C
Coldest month
22,2°C
Mean alt.
190m
Min
28m
Max
490m
Std. dev.
120m
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
5,8
Org. C
16,5g/kg
Clay
18,8%
Sand
64,0%
Silt
17,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,8
Org. C
23,8g/kg
Clay
18,6%
Sand
64,0%
Silt
17,4%
5–15 cm
pH H₂O
5,7
Org. C
16,3g/kg
Clay
17,8%
Sand
64,8%
Silt
17,4%
15–30 cm
pH H₂O
5,7
Org. C
9,5g/kg
Clay
20,0%
Sand
63,1%
Silt
16,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest38.2%
Crops16.8%
Built-up0.7%
Bare soil0.1%
Other (grassland, water…)44.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology8 basins · 2 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
74,4km
Lake surface here
1,26km²
Basins crossed
8
Max stream order
4
Max drainage
2 075 133km²
Discharge in basins
3 946,5m³/s
Mean precip.
1 324mm/an
Mean T°
26,2°C
Moisture idx
-0,21
Mean runoff
732mm/an
Mean elev. (basins)
188m
Watersheds crossing here
- Bassin de River Aikasub-area646,1 km²overlap508.15 km²41%
- Bassin de ubosub-area1 296,3 km²overlap442.70 km²36%
- Basin #42710sub-area335,3 km²overlap119.48 km²10%
- Bassin du Nigersub-area514,9 km²overlap87.59 km²7%
- Bassin de River Edionsub-area669,4 km²overlap56.59 km²5%
- Bassin du Nigersub-area21,4 km²overlap10.57 km²1%
- Bassin de Ogbesse Riversub-area567,8 km²overlap1.45 km²0%
- Bassin du Nigersub-area339 km²overlap1.16 km²0%
Lakes (2, top by area)
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
2hab/km²
Night light
0,1nW
Built-up
69,2%
Pesticides
40,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN Not Reported · 2IUCN IV · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN