Ontologia

Local Authority · NGA

Ijumu

Nigeria

AwTropical, savannah(100 %)

Species observed

118

Observations

477

Area

911,4km²

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 Ijumu : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 19 interactions GloBI sur 3 types (connectance 9.0%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
21
Interactions affichées
19
Connectance
0.090
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

118 distinct species · 477 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

477 obs · 15 cellules
Obs. / cellule
≥ 80
63–79
52–62
25–51
< 25

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

Climate

Mean T°

25,5°C

Annual rain

1 696mm

Warmest m°

34,5°C

Coldest m°

20,2°C

Elevation: 435 m on average (min 332 m, max 573 m)

Bioclimatic detailsExpert
Annual mean temp.
25,5°C
Annual rain
1 696mm
Warmest month
34,5°C
Coldest month
20,2°C
Mean alt.
435m
Min
332m
Max
573m
Std. dev.
50m
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

5,9

Org. C

17,9g/kg

Clay

15,4%

Sand

66,8%

Silt

17,8%

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

Dominant lithology: mtGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
26,3g/kg
Clay
16,4%
Sand
65,7%
Silt
17,9%
5–15 cm
pH H₂O
5,9
Org. C
18,2g/kg
Clay
14,7%
Sand
67,3%
Silt
18,0%
15–30 cm
pH H₂O
5,8
Org. C
9,2g/kg
Clay
15,1%
Sand
67,3%
Silt
17,7%

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

Land cover

Forest43.7%
Crops10.3%
Built-up0.5%
Bare soil0.0%
Other (grassland, water…)45.5%

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

2 422km²

Discharge in basins

18,4m³/s

Mean precip.

1 249mm/an

Mean T°

25,1°C

Moisture idx

-0,26

Mean runoff

602mm/an

Mean elev. (basins)

399m

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

Human pressure

Pop. density

2hab/km²

Night light

0,0nW

Built-up

49,6%

Pesticides

44,5kg/km²

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

Protected areas1

IUCN Not Reported · 1

Laigbede

IUCN Not Reported

Forest Reserve

125 km²

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