Ontologia

Local Authority · NGA

Esan South-East

Nigeria

AwTropical, savannah(98 %)

Species observed

239

Observations

860

Area

1 270,3km²

Ecological tissue

Sample of 21 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 South-East : 19 espèces reliées par 18 interactions GloBI sur 2 types (connectance 8.6%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
21
Interactions affichées
18
Connectance
0.086
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

239 distinct species · 860 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

860 obs · 21 cellules
Obs. / cellule
≥ 187
90–186
48–89
24–47
< 24

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

Climate

Mean T°

26,4°C

Annual rain

1 959mm

Warmest m°

35,0°C

Coldest m°

22,1°C

Elevation: 145 m on average (min 21 m, max 357 m)

Bioclimatic detailsExpert
Annual mean temp.
26,4°C
Annual rain
1 959mm
Warmest month
35,0°C
Coldest month
22,1°C
Mean alt.
145m
Min
21m
Max
357m
Std. dev.
78m
Köppen-Geiger (dominant)
AwTropical, savannah(98 %)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

19,5g/kg

Clay

19,9%

Sand

60,1%

Silt

20,1%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
27,4g/kg
Clay
17,8%
Sand
62,0%
Silt
20,2%
5–15 cm
pH H₂O
5,4
Org. C
19,6g/kg
Clay
18,5%
Sand
61,0%
Silt
20,5%
15–30 cm
pH H₂O
5,4
Org. C
11,4g/kg
Clay
23,3%
Sand
57,2%
Silt
19,5%

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

Land cover

Forest35.2%
Crops16.1%
Built-up0.4%
Bare soil0.1%
Other (grassland, water…)48.2%

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

Hydrology7 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

20,9km

Basins crossed

7

Max stream order

8

Max drainage

2 079 210km²

Discharge in basins

3 306,3m³/s

Mean precip.

1 664mm/an

Mean T°

26,4°C

Moisture idx

0,01

Mean runoff

1 152mm/an

Mean elev. (basins)

145m

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

Human pressure

Pop. density

2hab/km²

Night light

0,0nW

Built-up

44,0%

Pesticides

38,6kg/km²

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

Protected areas7

IUCN Not Reported · 7

Ugboha

IUCN Not Reported

Forest Reserve

61 km²

Okhuessan

IUCN Not Reported

Forest Reserve

24 km²

Udo

IUCN Not Reported

Forest Reserve

20 km²

Ubiaja

IUCN Not Reported

Forest Reserve

13 km²

Ewohimi

IUCN Not Reported

Forest Reserve

6 km²

Complete list

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