Ontologia

Local Authority · NGA

Onitsha South

Nigeria

AwTropical, savannah(100 %)

Area

17,1km²

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 743mm

Warmest m°

34,9°C

Coldest m°

22,7°C

Elevation: 20 m on average (min 16 m, max 22 m)

Bioclimatic detailsExpert
Annual mean temp.
26,8°C
Annual rain
1 743mm
Warmest month
34,9°C
Coldest month
22,7°C
Mean alt.
20m
Min
16m
Max
22m
Std. dev.
1m
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

18,3g/kg

Clay

20,1%

Sand

61,7%

Silt

18,3%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
25,8g/kg
Clay
18,1%
Sand
63,2%
Silt
18,8%
5–15 cm
pH H₂O
5,4
Org. C
18,9g/kg
Clay
18,8%
Sand
62,6%
Silt
18,6%
15–30 cm
pH H₂O
5,4
Org. C
10,2g/kg
Clay
23,4%
Sand
59,2%
Silt
17,4%

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

Land cover

Forest21.3%
Crops7.7%
Built-up3.3%
Bare soil0.7%
Other (grassland, water…)67.0%

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

Hydrology

Computing basins, lakes, rivers…

Human pressure

Pop. density

96hab/km²

Night light

0,7nW

Built-up

329,7%

Pesticides

38,9kg/km²

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