Ontologia

Local Authority · NGA

Nkanu West

Nigeria

AwTropical, savannah(100 %)

Species observed

94

Observations

285

Area

274,8km²

Ecological tissue

Sample of 19 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 Nkanu West : 16 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 18 interactions GloBI sur 3 types (connectance 9.5%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
20
Interactions affichées
18
Connectance
0.095
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

94 distinct species · 285 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

285 obs · 8 cellules
Obs. / cellule
≥ 83
83–82
64–82
33–63
< 33

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

Climate

Mean T°

26,6°C

Annual rain

2 079mm

Warmest m°

35,1°C

Coldest m°

22,0°C

Elevation: 186 m on average (min 90 m, max 444 m)

Bioclimatic detailsExpert
Annual mean temp.
26,6°C
Annual rain
2 079mm
Warmest month
35,1°C
Coldest month
22,0°C
Mean alt.
186m
Min
90m
Max
444m
Std. dev.
69m
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

20,5g/kg

Clay

23,7%

Sand

57,6%

Silt

18,7%

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
27,0g/kg
Clay
21,7%
Sand
59,6%
Silt
18,7%
5–15 cm
pH H₂O
5,4
Org. C
20,2g/kg
Clay
21,9%
Sand
59,0%
Silt
19,1%
15–30 cm
pH H₂O
5,4
Org. C
14,4g/kg
Clay
27,4%
Sand
54,3%
Silt
18,3%

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

Land cover

Forest31.3%
Crops16.1%
Built-up3.5%
Bare soil0.5%
Other (grassland, water…)48.5%

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

Hydrology2 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

21,6km

Basins crossed

2

Max stream order

2

Max drainage

2 909km²

Discharge in basins

10,6m³/s

Mean precip.

1 863mm/an

Mean T°

26,7°C

Moisture idx

0,13

Mean runoff

1 208mm/an

Mean elev. (basins)

129m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

7hab/km²

Night light

0,2nW

Built-up

351,9%

Pesticides

41,0kg/km²

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