Ontologia

Local Authority · NGA

Owan West

Nigeria

AwTropical, savannah(100 %)

Species observed

162

Observations

618

Area

702,3km²

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 Owan West : 26 espèces reliées par 31 interactions GloBI sur 3 types (connectance 7.1%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
30
Interactions affichées
31
Connectance
0.071
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

162 distinct species · 618 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

618 obs · 19 cellules
Obs. / cellule
≥ 97
88–96
37–87
24–36
< 24

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

Climate

Mean T°

26,3°C

Annual rain

1 446mm

Warmest m°

34,9°C

Coldest m°

22,1°C

Elevation: 118 m on average (min 37 m, max 332 m)

Bioclimatic detailsExpert
Annual mean temp.
26,3°C
Annual rain
1 446mm
Warmest month
34,9°C
Coldest month
22,1°C
Mean alt.
118m
Min
37m
Max
332m
Std. dev.
52m
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

5,4

Org. C

20,1g/kg

Clay

18,1%

Sand

62,3%

Silt

19,6%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,4
Org. C
29,0g/kg
Clay
17,1%
Sand
63,0%
Silt
19,8%
5–15 cm
pH H₂O
5,4
Org. C
19,7g/kg
Clay
17,0%
Sand
63,1%
Silt
19,9%
15–30 cm
pH H₂O
5,4
Org. C
11,6g/kg
Clay
20,3%
Sand
60,7%
Silt
19,0%

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

Land cover

Forest36.3%
Crops11.5%
Built-up0.6%
Bare soil0.0%
Other (grassland, water…)51.5%

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

Hydrology3 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

60,6km

Basins crossed

3

Max stream order

6

Max drainage

7 869km²

Discharge in basins

60,7m³/s

Mean precip.

1 526mm/an

Mean T°

26,0°C

Moisture idx

-0,07

Mean runoff

1 033mm/an

Mean elev. (basins)

176m

Watersheds crossing here

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

Human pressure

Pop. density

2hab/km²

Night light

0,0nW

Built-up

64,3%

Pesticides

38,3kg/km²

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

Protected areas5

IUCN Not Reported · 5

Ekiadolor

IUCN Not Reported

Forest Reserve

458 km²

Ifon

IUCN Not Reported

Forest Reserve

270 km²

Okeluse

IUCN Not Reported

Forest Reserve

144 km²

Owan

IUCN Not Reported

Forest Reserve

82 km²

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