Ontologia

Local Authority · NGA

Yewa South

Nigeria

AwTropical, savannah(100 %)

Species observed

289

Observations

1 096

Area

657km²

Ecological tissue

Sample of 31 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 Yewa South : 23 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 28 interactions GloBI sur 4 types (connectance 6.0%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
28
Connectance
0.060
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

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

Species present

289 distinct species · 1 096 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 096 obs · 13 cellules
Obs. / cellule
≥ 279
252–278
107–251
35–106
< 35

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

Climate

Mean T°

26,4°C

Annual rain

1 344mm

Warmest m°

33,5°C

Coldest m°

22,2°C

Elevation: 53 m on average (min 8 m, max 129 m)

Bioclimatic detailsExpert
Annual mean temp.
26,4°C
Annual rain
1 344mm
Warmest month
33,5°C
Coldest month
22,2°C
Mean alt.
53m
Min
8m
Max
129m
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

5,6

Org. C

21,4g/kg

Clay

18,7%

Sand

64,6%

Silt

16,8%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
33,1g/kg
Clay
18,7%
Sand
64,1%
Silt
17,2%
5–15 cm
pH H₂O
5,6
Org. C
19,5g/kg
Clay
17,7%
Sand
65,6%
Silt
16,7%
15–30 cm
pH H₂O
5,6
Org. C
11,6g/kg
Clay
19,7%
Sand
63,9%
Silt
16,3%

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

Land cover

Forest25.5%
Crops9.1%
Built-up1.6%
Bare soil0.2%
Other (grassland, water…)63.7%

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

Hydrology4 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

4

Max drainage

22 166km²

Discharge in basins

18,6m³/s

Mean precip.

1 298mm/an

Mean T°

27,2°C

Moisture idx

-0,16

Mean runoff

582mm/an

Mean elev. (basins)

47m

Watersheds crossing here

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

Human pressure

Pop. density

3hab/km²

Night light

0,1nW

Built-up

158,7%

Pesticides

36,4kg/km²

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

Protected areas2

IUCN Not Reported · 2

Ohumbe

IUCN Not Reported

Forest Reserve

98 km²

Ilaro

IUCN Not Reported

Forest Reserve

55 km²

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