Ontologia

Local Authority · NGA

Orolu

Nigeria

AwTropical, savannah(100 %)

Species observed

56

Observations

89

Area

86,8km²

Ecological tissue

Sample of 9 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 Orolu : 8 espèces reliées par 8 interactions GloBI sur 1 type (connectance 22.2%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
9
Interactions affichées
8
Connectance
0.222
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

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

Species present

56 distinct species · 89 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

89 obs · 2 cellules
Obs. / cellule
≥ 88
88–87
88–87
88–87
< 88

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 419mm

Warmest m°

34,3°C

Coldest m°

20,9°C

Elevation: 354 m on average (min 304 m, max 406 m)

Bioclimatic detailsExpert
Annual mean temp.
25,5°C
Annual rain
1 419mm
Warmest month
34,3°C
Coldest month
20,9°C
Mean alt.
354m
Min
304m
Max
406m
Std. dev.
22m
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

6,0

Org. C

22,5g/kg

Clay

18,8%

Sand

67,1%

Silt

14,0%

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
36,2g/kg
Clay
19,3%
Sand
66,3%
Silt
14,4%
5–15 cm
pH H₂O
6,0
Org. C
19,7g/kg
Clay
18,0%
Sand
67,7%
Silt
14,3%
15–30 cm
pH H₂O
5,9
Org. C
11,6g/kg
Clay
19,2%
Sand
67,4%
Silt
13,4%

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

Land cover

Forest37.8%
Crops4.8%
Built-up4.9%
Bare soil0.2%
Other (grassland, water…)52.4%

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

Hydrology1 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

7,9km

Basins crossed

1

Max stream order

2

Max drainage

1 469km²

Discharge in basins

1,6m³/s

Mean precip.

1 257mm/an

Mean T°

25,8°C

Moisture idx

-0,27

Mean runoff

573mm/an

Mean elev. (basins)

396m

Watersheds crossing here

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

Human pressure

Pop. density

14hab/km²

Night light

0,4nW

Built-up

494,0%

Pesticides

41,8kg/km²

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