Ontologia

Local Authority · NGA

Orhionmwon

Nigeria

AmTropical, monsoon(92 %)

Species observed

590

Observations

2 458

Area

2 304,1km²

Ecological tissue

Sample of 18 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 Orhionmwon : 14 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 18 interactions GloBI sur 2 types (connectance 11.8%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
18
Interactions affichées
18
Connectance
0.118
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

590 distinct species · 2 458 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 458 obs · 48 cellules
Obs. / cellule
≥ 371
136–370
69–135
30–68
< 30

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

Climate

Mean T°

25,7°C

Annual rain

2 401mm

Warmest m°

33,5°C

Coldest m°

21,8°C

Elevation: 67 m on average (min 8 m, max 209 m)

Bioclimatic detailsExpert
Annual mean temp.
25,7°C
Annual rain
2 401mm
Warmest month
33,5°C
Coldest month
21,8°C
Mean alt.
67m
Min
8m
Max
209m
Std. dev.
39m
Köppen-Geiger (dominant)
AmTropical, monsoon(92 %)Tropical

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

Soil & lithology

pH H₂O

5,3

Org. C

22,3g/kg

Clay

16,9%

Sand

74,3%

Silt

8,7%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
29,3g/kg
Clay
15,2%
Sand
75,7%
Silt
9,1%
5–15 cm
pH H₂O
5,3
Org. C
23,1g/kg
Clay
15,5%
Sand
75,7%
Silt
8,8%
15–30 cm
pH H₂O
5,3
Org. C
14,6g/kg
Clay
20,0%
Sand
71,6%
Silt
8,4%

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

Land cover

Forest31.1%
Crops12.6%
Built-up0.3%
Bare soil0.1%
Other (grassland, water…)55.9%

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

Hydrology6 basins · 0 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

147,8km

Basins crossed

6

Max stream order

5

Max drainage

4 160km²

Discharge in basins

162,0m³/s

Mean precip.

2 094mm/an

Mean T°

26,2°C

Moisture idx

0,23

Mean runoff

1 501mm/an

Mean elev. (basins)

100m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

1,1nW

Built-up

32,7%

Pesticides

37,4kg/km²

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

Protected areas5

IUCN Not Reported · 5📍 Point sites · 1

Sapoba

IUCN Not Reported

Forest Reserve · 1912

523 km²

Usonigbe

IUCN Not Reported

Forest Reserve

324 km²

Ebor

IUCN Not Reported

Forest Reserve

176 km²

Obaretin

IUCN Not Reported

Forest Reserve

111 km²

Ebue

IUCN Not Reported

Forest Reserve

95 km²

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN