Ontologia

Local Authority · NGA

Onitsha North

Nigeria

AwTropical, savannah(100 %)

Area

28km²

Ecological tissue

Graphe en cours d’indexation

Calcul du tissu écologique de cette entité.

Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).

Species present

Computing species observations from GBIF…

Densité d'observations

0 obs · 0 cellules

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

26,8°C

Annual rain

1 801mm

Warmest m°

34,9°C

Coldest m°

22,7°C

Elevation: 39 m on average (min 16 m, max 112 m)

Bioclimatic detailsExpert
Annual mean temp.
26,8°C
Annual rain
1 801mm
Warmest month
34,9°C
Coldest month
22,7°C
Mean alt.
39m
Min
16m
Max
112m
Std. dev.
26m
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

18,8g/kg

Clay

18,5%

Sand

64,0%

Silt

17,5%

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
26,4g/kg
Clay
16,5%
Sand
65,9%
Silt
17,6%
5–15 cm
pH H₂O
5,4
Org. C
19,3g/kg
Clay
16,7%
Sand
65,4%
Silt
17,9%
15–30 cm
pH H₂O
5,4
Org. C
10,8g/kg
Clay
22,5%
Sand
60,8%
Silt
16,9%

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

Land cover

Forest12.2%
Crops2.7%
Built-up20.3%
Bare soil0.9%
Other (grassland, water…)63.9%

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

Hydrology

Computing basins, lakes, rivers…

Human pressure

Pop. density

79hab/km²

Night light

3,6nW

Built-up

2 026,3%

Pesticides

39,2kg/km²

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