Ontologia

Local Authority · NGA

Esan Central

Nigeria

AwTropical, savannah(100 %)

Species observed

96

Observations

302

Area

254,5km²

Ecological tissue

Sample of 11 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 Central : 9 espèces reliées par 8 interactions GloBI sur 2 types (connectance 14.5%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
11
Interactions affichées
8
Connectance
0.145
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

96 distinct species · 302 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

302 obs · 6 cellules
Obs. / cellule
≥ 111
111–110
80–110
48–79
< 48

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

Climate

Mean T°

25,5°C

Annual rain

1 959mm

Warmest m°

34,1°C

Coldest m°

21,2°C

Elevation: 309 m on average (min 135 m, max 421 m)

Bioclimatic detailsExpert
Annual mean temp.
25,5°C
Annual rain
1 959mm
Warmest month
34,1°C
Coldest month
21,2°C
Mean alt.
309m
Min
135m
Max
421m
Std. dev.
61m
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

22,9g/kg

Clay

19,6%

Sand

62,1%

Silt

18,2%

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
29,9g/kg
Clay
18,4%
Sand
63,6%
Silt
18,0%
5–15 cm
pH H₂O
5,4
Org. C
24,9g/kg
Clay
18,9%
Sand
62,6%
Silt
18,5%
15–30 cm
pH H₂O
5,3
Org. C
13,9g/kg
Clay
21,6%
Sand
60,3%
Silt
18,1%

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

Land cover

Forest44.3%
Crops11.2%
Built-up1.7%
Bare soil0.0%
Other (grassland, water…)42.8%

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

Hydrology5 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

5

Max drainage

3 817km²

Discharge in basins

24,0m³/s

Mean precip.

1 699mm/an

Mean T°

26,1°C

Moisture idx

0,03

Mean runoff

1 171mm/an

Mean elev. (basins)

153m

Watersheds crossing here

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

Human pressure

Pop. density

5hab/km²

Night light

0,1nW

Built-up

171,6%

Pesticides

38,1kg/km²

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

Protected areas2

IUCN Not Reported · 2

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