Ontologia

Local Authority · NGA

Billiri

Nigeria

AwTropical, savannah(100 %)

Species observed

157

Observations

686

Area

835,8km²

Ecological tissue

Sample of 22 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 Billiri : 17 espèces reliées par 19 interactions GloBI sur 3 types (connectance 8.2%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
22
Interactions affichées
19
Connectance
0.082
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

157 distinct species · 686 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

686 obs · 10 cellules
Obs. / cellule
≥ 181
181–180
77–180
60–76
< 60

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

Climate

Mean T°

27,3°C

Annual rain

708mm

Warmest m°

37,7°C

Coldest m°

17,9°C

Elevation: 410 m on average (min 288 m, max 643 m)

Bioclimatic detailsExpert
Annual mean temp.
27,3°C
Annual rain
708mm
Warmest month
37,7°C
Coldest month
17,9°C
Mean alt.
410m
Min
288m
Max
643m
Std. dev.
67m
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

6,6

Org. C

9,4g/kg

Clay

22,9%

Sand

54,5%

Silt

22,7%

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

Dominant lithology: ssGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,6
Org. C
12,7g/kg
Clay
21,3%
Sand
55,6%
Silt
23,2%
5–15 cm
pH H₂O
6,6
Org. C
9,2g/kg
Clay
21,9%
Sand
55,4%
Silt
22,8%
15–30 cm
pH H₂O
6,6
Org. C
6,2g/kg
Clay
25,4%
Sand
52,5%
Silt
22,1%

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

Land cover

Forest5.0%
Crops40.2%
Built-up0.8%
Bare soil0.6%
Other (grassland, water…)53.3%

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

Hydrology3 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

67,9km

Basins crossed

3

Max stream order

3

Max drainage

2 467km²

Discharge in basins

4,1m³/s

Mean precip.

939mm/an

Mean T°

25,9°C

Moisture idx

-0,51

Mean runoff

155mm/an

Mean elev. (basins)

407m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

3hab/km²

Night light

0,0nW

Built-up

79,6%

Pesticides

38,3kg/km²

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

Protected areas3

IUCN Not Reported · 3

Kumo

IUCN Not Reported

Forest Reserve

15 km²

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