Ontologia

Local Authority · NGA

Ovia North-East

Nigeria

AwTropical, savannah(56 %)

Species observed

351

Observations

1 770

Area

2 359,2km²

Ecological tissue

Sample of 28 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 Ovia North-East : 24 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 26 interactions GloBI sur 3 types (connectance 6.9%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
28
Interactions affichées
26
Connectance
0.069
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

351 distinct species · 1 770 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 770 obs · 43 cellules
Obs. / cellule
≥ 174
99–173
56–98
22–55
< 22

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 025mm

Warmest m°

33,4°C

Coldest m°

22,0°C

Elevation: 72 m on average (min 3 m, max 290 m)

Bioclimatic detailsExpert
Annual mean temp.
25,8°C
Annual rain
2 025mm
Warmest month
33,4°C
Coldest month
22,0°C
Mean alt.
72m
Min
3m
Max
290m
Std. dev.
60m
Köppen-Geiger (dominant)
AwTropical, savannah(56 %)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

23,5g/kg

Clay

16,9%

Sand

70,1%

Silt

13,0%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,2
Org. C
32,9g/kg
Clay
15,5%
Sand
71,3%
Silt
13,1%
5–15 cm
pH H₂O
5,1
Org. C
22,9g/kg
Clay
15,7%
Sand
71,2%
Silt
13,1%
15–30 cm
pH H₂O
5,1
Org. C
14,8g/kg
Clay
19,6%
Sand
67,8%
Silt
12,7%

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

Land cover

Forest43.8%
Crops4.8%
Built-up0.6%
Bare soil0.1%
Other (grassland, water…)50.6%

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

Hydrology13 basins · 0 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

167,2km

Basins crossed

13

Max stream order

6

Max drainage

14 099km²

Discharge in basins

458,1m³/s

Mean precip.

1 949mm/an

Mean T°

26,4°C

Moisture idx

0,16

Mean runoff

1 207mm/an

Mean elev. (basins)

76m

Watersheds crossing here

4 more basins

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

Human pressure

Pop. density

1hab/km²

Night light

0,5nW

Built-up

64,1%

Pesticides

36,5kg/km²

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

Protected areas9

IUCN Not Reported · 7IUCN II · 1IUCN IV · 1🌊 Marine · 2

Okomu

IUCN II

Forest Reserve · 1912

1 215 km²

Ohosu

IUCN Not Reported

Forest Reserve

494 km²

Ekiadolor

IUCN Not Reported

Forest Reserve

458 km²

Complete list

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