Ontologia

Local Authority · NGA

Esan West

Nigeria

AwTropical, savannah(100 %)

Species observed

149

Observations

351

Area

503,7km²

Ecological tissue

Sample of 15 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 Esan West : 11 espèces reliées par 13 interactions GloBI sur 2 types (connectance 12.4%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
15
Interactions affichées
13
Connectance
0.124
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

149 distinct species · 351 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

351 obs · 13 cellules
Obs. / cellule
≥ 76
53–75
39–52
25–38
< 25

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

Climate

Mean T°

25,6°C

Annual rain

1 900mm

Warmest m°

34,1°C

Coldest m°

21,5°C

Elevation: 230 m on average (min 90 m, max 379 m)

Bioclimatic detailsExpert
Annual mean temp.
25,6°C
Annual rain
1 900mm
Warmest month
34,1°C
Coldest month
21,5°C
Mean alt.
230m
Min
90m
Max
379m
Std. dev.
77m
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

21,4g/kg

Clay

18,0%

Sand

65,8%

Silt

16,2%

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
30,8g/kg
Clay
16,6%
Sand
67,1%
Silt
16,3%
5–15 cm
pH H₂O
5,4
Org. C
21,3g/kg
Clay
16,9%
Sand
66,6%
Silt
16,4%
15–30 cm
pH H₂O
5,3
Org. C
12,2g/kg
Clay
20,3%
Sand
63,7%
Silt
16,0%

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

Land cover

Forest44.7%
Crops9.6%
Built-up1.8%
Bare soil0.0%
Other (grassland, water…)43.9%

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

Hydrology3 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

3

Max drainage

3 817km²

Discharge in basins

20,8m³/s

Mean precip.

1 809mm/an

Mean T°

26,0°C

Moisture idx

0,10

Mean runoff

1 274mm/an

Mean elev. (basins)

147m

Watersheds crossing here

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

Human pressure

Pop. density

3hab/km²

Night light

0,2nW

Built-up

180,4%

Pesticides

37,9kg/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

Ebor

IUCN Not Reported

Forest Reserve

176 km²

Ogwa

IUCN Not Reported

Forest Reserve

5 km²

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