Ontologia

Local Authority · NGA

Isin

Nigeria

AwTropical, savannah(100 %)

Species observed

117

Observations

275

Area

630,4km²

Ecological tissue

Sample of 25 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 Isin : 22 espèces reliées par 21 interactions GloBI sur 3 types (connectance 7.0%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
25
Interactions affichées
21
Connectance
0.070
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

117 distinct species · 275 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

275 obs · 12 cellules
Obs. / cellule
≥ 62
44–61
33–43
27–32
< 27

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 527mm

Warmest m°

34,8°C

Coldest m°

20,0°C

Elevation: 464 m on average (min 270 m, max 593 m)

Bioclimatic detailsExpert
Annual mean temp.
25,6°C
Annual rain
1 527mm
Warmest month
34,8°C
Coldest month
20,0°C
Mean alt.
464m
Min
270m
Max
593m
Std. dev.
62m
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

6,0

Org. C

20,2g/kg

Clay

14,1%

Sand

70,1%

Silt

15,8%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
28,1g/kg
Clay
14,5%
Sand
69,5%
Silt
15,9%
5–15 cm
pH H₂O
6,0
Org. C
21,3g/kg
Clay
13,3%
Sand
70,6%
Silt
16,1%
15–30 cm
pH H₂O
6,0
Org. C
11,2g/kg
Clay
14,4%
Sand
70,0%
Silt
15,6%

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

Land cover

Forest41.6%
Crops6.7%
Built-up0.6%
Bare soil0.0%
Other (grassland, water…)51.1%

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

2 723km²

Discharge in basins

16,9m³/s

Mean precip.

1 206mm/an

Mean T°

26,5°C

Moisture idx

-0,33

Mean runoff

461mm/an

Mean elev. (basins)

315m

Watersheds crossing here

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

Human pressure

Pop. density

1hab/km²

Night light

0,0nW

Built-up

55,4%

Pesticides

44,7kg/km²

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

Protected areas2

IUCN Not Reported · 2

Olomu

IUCN Not Reported

Forest Reserve

7 km²

Isanlu

IUCN Not Reported

Forest Reserve

7 km²

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